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All 644 tools on FileToolsHub, grouped by category. XML sitemap is also available for search engines.
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Editorial guides and product notes. Live tools (with how-to, privacy, and FAQ) live under /tool/…
PDF Tools
Merge, split, compress, and edit PDF files online.
- Merge PDFUse this PDF merger to combine two or more PDFs into one file, in the order you upload them. Each file can be up to 25 MB.
- Split PDFUse this PDF splitter to save chosen pages, or every page, as separate PDFs. Two or more pages download as a ZIP.
- Unlock PDFUnlock a PDF and remove its password protection when you already know the password. It cannot guess or crack a password.
- Compress PDFRewrite a PDF with object streams so the file may get smaller. Embedded photos are not resampled.
- Protect PDFAdd a password to protect your PDF from unauthorized access.
- Rotate PDFSet every page rotation flag to 90 degrees. There is no 180 or 270 control.
- PDF to WordCopy text lines from a PDF into a Word file. Layout, images, and scans without a text layer are not rebuilt.
- PDF to ExcelExtract PDF text into an editable Excel (.xlsx) spreadsheet.
- PDF to HTMLConvert PDF text content into a clean HTML document you can open in a browser.
- PDF to MarkdownConvert PDF text into a Markdown (.md) file with page headings — ready for docs, blogs, and GitHub.
- Extract PDF PagesCopy a typed page range into one PDF, in the order you list. A blank range is rejected.
- EPUB to PDFTurn EPUB chapter text into an A4 PDF in Helvetica. Pictures and custom fonts are dropped.
- Edit PDF PagesReorder or delete pages in a PDF document.
- Sign PDFDraw a signature and stamp it onto a PDF in your browser.
- PDF to PowerPointConvert PDF pages to an editable PowerPoint (.pptx) presentation.
- Word to PDFConvert Word (.docx) documents to PDF online.
- Excel to PDFConvert Excel (.xlsx) spreadsheets to PDF.
- PowerPoint to PDFConvert PowerPoint (.pptx) decks to PDF.
- Extract PDF TextPull plain text from a PDF and download a .txt file.
- Crop & Resize PDFCrop margins or resize PDF pages to Letter, A4, or Legal.
- PDF Headers & FootersAdd centered header and footer text to every PDF page.
- Flatten PDFFlatten fillable form fields so answers stay visible and non-editable.
- PDF to ZIPSplit PDF pages into separate files and download a ZIP — upload one PDF or many at once.
- PDF Page CountCount pages in a PDF instantly with pdf-lib — file stays in your browser.
- PDF Metadata ViewerView PDF title, author, producer, page size, and page count locally.
- PDF Page NumbersAdd centered page numbers to every PDF page in your browser with pdf-lib.
- PDF Text WatermarkStamp diagonal text across every PDF page — draft, confidential, or custom labels.
Image Tools
Convert, resize, crop, flip, rotate, watermark, and filter images — plus logo/monogram makers, OG images, avatars, badges, SVG→PNG, ICO, and QR tools.
- Image UpscaleSend one JPG, PNG, WEBP, or GIF up to 10 MB to the AI upscaler. There is no 2x or 4x menu.
- Depth WallpaperTurn a photo into a 3D phone wallpaper with AI depth, parallax layers, and phone aspect crop — preview in 3D, download WebP (max 15 MB).
- Images to PDFCombine multiple images (JPG, PNG, WebP, and more) into one PDF in your browser.
- HEIC to JPGHEIC to JPG converts one iPhone photo to a JPEG at quality 0.92. It handles one photo at a time, and the photo is uploaded.
- Image CropCrop and rotate images in your browser, then download a PNG — nothing is uploaded.
- Grayscale ImageConvert any image to grayscale and download a PNG — entirely in your browser.
- Circle Crop ImageCrop an image to a circle with transparent PNG edges — entirely in your browser.
- Aspect Ratio CropCenter-crop an image to 1:1, 4:5, 16:9, or 9:16 and download PNG.
- Strip Image EXIFRe-encode an image as PNG to drop EXIF / GPS metadata — private, browser-only.
- Text Overlay ImageAdd centered text on top of an image and download a PNG.
- Duotone ImageMap an image to a two-color duotone look and download a PNG.
- Brightness AdjusterBrighten or darken an image with a slider, then download a PNG.
- Blur ImageSoft-blur an image with an adjustable radius and download a PNG.
- Pixelate ImagePixelate / mosaic an image with adjustable block size — download as PNG.
- Round Image CornersClip an image to rounded corners with transparent PNG alpha.
- Tint ImageOverlay a color tint at adjustable strength and download a PNG.
- Resize Image by PercentScale an image by percentage (10–200%) and download a PNG — client-side.
- Watermark ImageAdd text watermarks (corner, center, or tiled) to an image and download a PNG.
- Rotate ImageRotate an image by 90°, 180°, or 270° and download a PNG — entirely in your browser.
- Flip ImageFlip an image horizontally or vertically and download a PNG in your browser.
- SVG to PNGRasterize SVG markup to a PNG at a width from 16 to 4096 pixels. Height follows the artwork.
- QR Code GeneratorCreate QR codes for URL, text, Wi‑Fi, vCard, email, or SMS and download as PNG — entirely in your browser.
- Wi‑Fi QR GeneratorCreate a Wi‑Fi login QR code (SSID, password, encryption) and download a PNG — browser-only.
- Favicon Pack GeneratorUpload a logo and download PNG favicons at common sizes (16–512) — generated locally, no ZIP.
- JPG to WebPDraw one JPEG onto a canvas and download WEBP at quality 0.92. The pixel size stays the same.
- WebP to JPGWEBP to JPG draws one image on a white canvas and downloads a JPEG at quality 0.92. The file stays in the browser, and transparent pixels become white.
- Base64 to ImageDecode a Base64 string or data URI into a downloadable image — entirely in your browser.
- Palette from ImageExtract a dominant color palette from any image — click swatches to copy HEX.
- Meme Caption MakerAdd Impact-style top and bottom captions to an image and download a PNG — browser-only.
- EXIF ViewerInspect JPEG EXIF metadata locally — camera hints, timestamps, and segment size.
- Before After Image SliderCompare two images with an interactive before/after slider — great for edits and redesigns.
- Monogram Logo MakerCreate an initials monogram logo on a circle, square, or shield and download a PNG.
- OG Image MakerGenerate a 1200×630 Open Graph / social share image with title and subtitle.
- Social Size ExportResize and crop any photo to Instagram, YouTube, LinkedIn, Facebook, X, Pinterest, and OG sizes — free in your browser.
- YouTube Thumbnail MakerCreate a 1280×720 YouTube thumbnail from your photo with bold title text — free browser tool.
- LinkedIn Banner MakerExport a 1584×396 LinkedIn profile banner from any photo — crop to cover and download a PNG.
- Avatar from InitialsMake a circular profile avatar from initials and download a PNG.
- Badge MakerCreate a simple pill, rounded, or ribbon badge and download a PNG.
- JPG to PDFPlace each uploaded JPG on its own PDF page, in upload order, at the image's pixel size.
- PNG to PDFPlace each uploaded PNG on its own PDF page, in upload order, at the image's pixel size.
- WEBP to PDFStack WEBP images into one PDF, with one picture per page at that image's pixel size.
- PDF to JPGRender the first page of a PDF as one JPG at about 150 DPI. Later pages stay in the original file.
- PDF to PNGPDF to PNG converts the first page of a PDF into one PNG at about 150 DPI. Other pages are not converted yet.
- Resize ImageFit one image inside 800 pixels wide and keep the original aspect ratio.
- Compress ImageRe-encode one image at quality 80. A PNG stays a PNG. Other formats come back as JPEG.
- Convert Image FormatTurn one JPG, PNG, or WEBP into a PNG. This page always writes PNG.
- GIF to PNGConvert GIF images to PNG format (first frame for animated GIFs).
- GIF to JPGConvert GIF images to JPG format (first frame for animated GIFs).
- PNG to GIFConvert PNG images to GIF format.
- JPG to GIFConvert JPG images to GIF format.
- Image to Base64Encode an image as a data URI or raw Base64 in the browser, without uploading the file.
- Barcode GeneratorGenerate Code 128, Code 39, EAN, or UPC barcodes and download as PNG in your browser.
- Invert Image ColorsInvert RGB colors (negative effect) and download a PNG in your browser.
- Sepia ImageApply a classic sepia tone and download a PNG — private, browser-only.
- Contrast AdjusterIncrease or decrease image contrast with a slider — download as PNG.
- Image Opacity / FadeReduce image opacity (alpha) and download a transparent PNG.
- Add Image BorderAdd a solid-color border around an image and download a PNG.
- Image Background ColorFill a solid background behind transparent images, then download a PNG.
- Mirror Tile ImageMirror Tile Image builds a 2 by 2 tile from one picture: the original, a horizontal flip, a vertical flip, and both. The PNG is twice as wide and tall.
- Square Pad ImagePad an image to a square canvas with a chosen background color.
- Drop Shadow ImageAdd a soft drop shadow behind an image and download a PNG.
- Polaroid Frame ImagePut a photo in a Polaroid-style frame with an optional caption.
- Split Image GridSlice an image into a 2×2–4×4 grid preview tile sheet and download PNG.
- Vignette ImageDarken image edges with an adjustable vignette and download a PNG.
- Threshold ImageConvert an image to high-contrast black and white with a threshold slider.
- Posterize ImageReduce color levels for a posterized look and download a PNG.
- Image Outline StrokeAdd a solid outline/stroke around an image and download a PNG.
- ICO GeneratorCreate a multi-size favicon.ico (16, 32, 48) from any image in your browser.
- Wordmark Logo MakerDesign a simple wordmark logo with optional tagline and download a PNG.
- Placeholder Image MakerGenerate a labeled placeholder image at any size for layouts and mockups.
- QR DecoderDecode a QR code from an image and copy the payload — entirely in your browser.
- PNG to WebPConvert PNG images to WebP locally for faster pages and smaller downloads.
- WebP to PNGConvert WebP images to PNG when you need lossless editing or broader tool support.
Spreadsheet Tools
Convert between CSV, Excel, and JSON formats.
- Excel to CSVExcel to CSV converts the first worksheet of an xlsx or xls file into a CSV download. Later sheets in the workbook are left out.
- CSV to ExcelCSV to Excel reads a comma-separated file, treats the first row as headers, and downloads one Sheet1 workbook. Semicolon and tab files are not detected.
- Excel to JSONConvert Excel (.xlsx/.xls) worksheets into a JSON array of row objects — ideal for API fixtures, imports, and frontend mocks.
- JSON to ExcelConvert JSON arrays to Excel (.xlsx) spreadsheets with columns from object keys.
- CSV to JSONConvert CSV files to JSON format.
- JSON to CSVConvert JSON arrays to CSV format.
Text Tools
Format, encode, extract, hash, validate, and transform text — JSON, regex, cron, SQL, encoders, and hashers.
- Word CounterCount words, characters, and lines in your draft so you can hit assignment, caption, or SEO length targets.
- Case ConverterCase Converter converts multiple text case styles (upper, lower, camel, snake, kebab, and more).
- Line ToolsLine Tools sorts, reverses, numbers, or trims each line of pasted text.
- Find & ReplaceFind & Replace swaps a literal phrase or a regex match and counts how many changes it made.
- Slug GeneratorSlug Generator generates URL-safe slugs from titles and headlines.
- UTM BuilderUTM Builder builds UTM-tagged campaign URLs (source, medium, campaign, and optional content/term).
- HTML Entity ConverterHTML Entity Converter converts html entity.
- JSON to XMLJSON to XML turns JSON into XML.
- XML to JSONXML to JSON turns XML into JSON.
- JSON ValidatorValidate JSON syntax online — catch missing commas, unclosed braces, and invalid tokens instantly in your browser.
- JSON FormatterJSON Formatter pretty-prints valid JSON with two-space indentation and keeps key order. Trailing commas, comments, and single quotes make it fail.
- Markdown to HTMLMarkdown to HTML turns headings, lists, links, emphasis, and fenced code into HTML in the browser. Review the markup before you publish it.
- Base64 EncoderEncode pasted text as standard Base64 with UTF-8, plus, slash, and padding. Not encryption.
- Base64 DecoderBase64 Decoder turns a standard Base64 string into text in the browser. URL-safe minus and underscore characters need a swap before they decode.
- JWT DecoderRead a JWT header and payload in the browser. The signature is shown and not verified.
- URL EncoderPercent-encode one query value. Spaces become %20, and slashes are encoded too.
- URL DecoderDecode percent-encoded URL strings and query values (%20, %2F, UTF-8 sequences) back into readable text in your browser.
- Regex TesterTest regular expressions online against sample text and view matches — JavaScript RegExp in your browser.
- UUID GeneratorGenerate one UUID version 4 with crypto.randomUUID. There is no batch count and no version 7.
- YAML to JSONConvert YAML documents to formatted JSON.
- JSON to YAMLConvert JSON to YAML with a 120-character line width and no anchors.
- XML FormatterFormat and indent XML documents for readability.
- SQL FormatterFormat and beautify SQL queries with proper indentation.
- Timestamp ConverterConvert between Unix timestamps and ISO 8601 date strings.
- Extract EmailsExtract Emails extracts emails, URLs, or phone numbers pulled from messy text.
- Extract UrlsExtract Urls extracts emails, URLs, or phone numbers pulled from messy text.
- Sha256 Text HashSha256 Text Hash hashes cryptographic hashes computed locally.
- Password Strength MeterPassword Strength Meter handles password generation or strength checks.
- JWT EncoderJWT Encoder encodes JWT header and payload inspection.
- Whatsapp Click to ChatWhatsapp Click to Chat converts whatsapp click to chat.
- HTML Meta Tags GeneratorHTML Meta Tags Generator generates HTML document meta tags for SEO and sharing.
- CSV to SQL InsertCSV to SQL Insert converts SQL formatting or helpers.
- Glassmorphism CSS GeneratorBuild frosted-glass CSS with live blur, opacity, and radius preview — copy ready CSS.
- Invoice HTML GeneratorInvoice HTML Generator builds a printable invoice with up to three line items and a tax percent you type. The HTML stays in the browser. It does not send the invoice or record a payment.
- SRT to VTTSRT to VTT turns SRT into VTT.
- Cron Expression BuilderCron Expression Builder builds cron expression explanations.
- Fancy Text GeneratorFancy Text Generator generates fancy text.
- Jsonpath TesterJsonpath Tester handles jsonpath.
- Diceware PassphraseDiceware Passphrase handles diceware passphrase.
- Quote Estimate GeneratorQuote Estimate Generator builds a printable quote with up to three line items and a tax percent you type. The HTML stays in the browser.
- Link in Bio MakerGenerate a simple mobile-friendly link-in-bio HTML page with your name, bio, and links.
- OG Twitter Card PreviewPreview how Open Graph and Twitter/X cards may look from title, description, and image URL.
- Sitemap XML LinterLint sitemap.xml structure, count URLs, and flag common issues — entirely in your browser.
- UTM StripperRemove UTM and common tracking parameters from a URL for clean sharing and analytics hygiene.
- Hreflang Tag GeneratorGenerate alternate hreflang link tags for multilingual SEO from lang|url pairs.
- Email Subject PreviewEmail Subject Preview inspects email subject preview.
- Changelog FormatterChangelog Formatter formats changelog.
- Standup RandomizerStandup Randomizer handles standup randomizer.
- Hashtag List BuilderHashtag List Builder builds hashtag list.
- Totp GeneratorTotp Generator generates totp.
- Currency Format LocaleCurrency Format Locale handles currency format locale.
- Curl to Fetch ConverterPaste a curl command and get a ready-to-use JavaScript fetch() snippet — headers, body, and auth included. Runs in your browser.
- GraphQL FormatterPretty-print GraphQL queries, mutations, and fragments for readable reviews — in your browser.
- Semver CompareCompare two Semantic Version numbers (including prereleases) and see which is newer — in your browser.
- Env Diff CheckerCompare two .env files and spot missing or changed keys before promoting a config — runs entirely in your browser.
- HTTP Header ParserSplit a raw HTTP header block into clean name/value pairs — Content-Type, auth, cookies, and more.
- Cookie String ParserSplit a Cookie header into name/value pairs so you can inspect sessions without a wall of text.
- Tailwind Class SorterReorder messy Tailwind className strings into a consistent order for cleaner diffs — runs in your browser.
- Query String to JSONTurn a URL query string into readable JSON — including repeated keys — in your browser.
- Word Frequency CounterAnalyze how frequently individual words appear in your text, identify the most common terms, and quickly spot repetitive language.
- Reading Time EstimatorEstimate how long a draft takes to read from word count — for blogs, docs, and newsletters.
- Morse EncoderMorse Encoder encodes morse encoder.
- Open Graph Meta GeneratorOpen Graph Meta Generator generates Open Graph meta tags (og:title, og:description, og:image, and related fields).
- JSON to TypeScript Interface GeneratorPaste JSON and generate a TypeScript interface with inferred types — nested objects and arrays included, in your browser.
- Cron ExplainerPaste a 5-field cron expression and get a plain-English breakdown of each field.
- chmod / Permission CalculatorToggle owner/group/other read-write-execute bits and get octal, symbolic, and chmod command output.
- File Hash / ChecksumCompute SHA-256, SHA-384, SHA-512, or SHA-1 checksums for any file in your browser.
- Color PickerPick colors visually with a saturation panel, hue slider, and eyedropper — copy HEX, RGB, or HSL instantly.
- Gradient BuilderBuild linear or radial CSS gradients with live preview, color stops, and PNG download — all in your browser.
- Invoice Number GeneratorInvoice Number Generator generates invoice number.
- ICS Event GeneratorICS Event Generator generates contact cards, calendar events, or email signatures.
- vCard GeneratorvCard Generator generates contact cards, calendar events, or email signatures.
- Amount in WordsAmount in Words handles amount in words.
- UUID v7 GeneratorGenerate time-ordered UUID v7 identifiers that sort roughly by creation time — browser-only.
- Meeting Agenda GeneratorMeeting Agenda Generator generates meeting agenda.
- Nano ID GeneratorGenerate short, URL-friendly Nano IDs for public links and UI tokens — in your browser.
- Snake Camel BatchSnake Camel Batch handles identifier naming styles for code and configs.
- Base58 DecoderDecode a Base58 string to UTF-8 text. The alphabet skips 0, O, I, and l, and no checksum is checked.
- HAR to Curl ConverterConvert a DevTools HAR export into a curl command you can replay in a terminal — browser-only.
- Cron Next RunsCron Next Runs handles cron expression explanations.
- JWT Payload ViewerJWT Payload Viewer inspects JWT header and payload inspection.
- Openapi Path ListerOpenapi Path Lister handles openapi path lister.
- Gitignore SorterGitignore Sorter sorts gitignore sorter.
- TOML JSON ConverterTOML JSON Converter converts toml json.
- HTML Entity BatchHTML Entity Batch handles html entity batch.
- Chmod Mode ConverterChmod Mode Converter converts chmod mode.
- CSS Triangle GeneratorGenerate pure CSS triangles with border tricks — live size and color preview.
- Neumorphism CSS GeneratorCreate soft UI neumorphic box-shadow CSS with live preview.
- CSS Scrollbar StylerStyle scrollbars for WebKit and Firefox with thumb color and width — copy CSS.
- CSS Selection ColorGenerate ::selection text highlight colors and preview in your browser.
- CSS Text StrokeCreate outlined text with -webkit-text-stroke — live stroke width and colors.
- CSS Multi-column GeneratorGenerate CSS column-count layouts with gap and rule — newspaper-style text flow.
- CSS Loader SpinnerBuild a pure CSS loading spinner with size, thickness, and accent color.
- Receipt GeneratorReceipt Generator builds a printable receipt with up to three line items, a tax percent you type, and a paid note. The HTML stays in the browser. It does not take a card payment.
- Hash GeneratorGenerate SHA-256, SHA-384, and SHA-512 hashes.
- Diff ViewerCompare two texts side by side with line-by-line diff output.
- HTML to MarkdownConvert HTML to Markdown with hash-mark headings and fenced code blocks.
- TSV to CSVConvert tab-separated values to comma-separated CSV.
- CSV to TSVConvert comma-separated CSV to tab-separated TSV.
- Color ConverterConvert colors between HEX, RGB, and HSL formats.
- Lorem Ipsum GeneratorGenerate 1 to 20 paragraphs of placeholder Latin. The wording changes on every click.
- Password GeneratorGenerate secure random passwords with customizable options.
- Email Signature GeneratorBuild a clean HTML email signature with name, title, contact links, and accent color.
- HTML/CSS/JS MinifierMinify HTML, CSS, or JavaScript code to reduce file size.
- Wheel of NamesSpin a random name wheel for raffles, classrooms, and team picks — entirely in your browser.
- JSON MinifierJSON Minifier minifies minified JSON for embedding or transport.
- JSON BeautifierJSON Beautifier formats pretty-printed JSON.
- JSON SorterJSON Sorter sorts json sorter.
- JSON ViewerJSON Viewer inspects json viewer.
- JSON Tree ViewerJSON Tree Viewer inspects json tree viewer.
- JSON DiffJSON Diff compares side-by-side JSON differences.
- JSON MergeJSON Merge handles json merge.
- JSON FlattenJSON Flatten handles json flatten.
- JSON UnflattenJSON Unflatten handles json unflatten.
- JSON EscapeJSON Escape handles json escape.
- JSON UnescapeJSON Unescape handles json unescape.
- JSON Path TesterJSON Path Tester handles json path.
- JSON Schema GeneratorJSON Schema Generator generates json schema.
- JSON Schema ValidatorJSON Schema Validator validates json schema.
- JSON Key ExtractorJSON Key Extractor extracts json key extractor.
- JSON Array FormatterJSON Array Formatter formats json array.
- JSON Pretty PrintJSON Pretty Print formats json pretty print.
- JSON CleanerJSON Cleaner cleans json cleaner.
- XML ValidatorXML Validator validates XML formatting or conversion.
- XML BeautifierXML Beautifier formats XML formatting or conversion.
- XML MinifierXML Minifier minifies XML formatting or conversion.
- XML EscapeXML Escape handles XML formatting or conversion.
- XML UnescapeXML Unescape handles XML formatting or conversion.
- XML DiffXML Diff compares XML formatting or conversion.
- Xpath TesterXpath Tester handles xpath.
- YAML FormatterYAML Formatter formats YAML conversion or formatting.
- YAML ValidatorYAML Validator validates YAML conversion or formatting.
- YAML BeautifierYAML Beautifier formats YAML conversion or formatting.
- YAML MinifierYAML Minifier minifies YAML conversion or formatting.
- YAML DiffYAML Diff compares YAML conversion or formatting.
- TOML FormatterTOML Formatter formats toml.
- TOML ValidatorTOML Validator validates toml.
- INI FormatterINI Formatter formats ini.
- CSV FormatterCSV Formatter formats csv.
- CSV ValidatorCSV Validator validates csv.
- CSV ViewerCSV Viewer inspects csv viewer.
- CSV CleanerCSV Cleaner cleans csv cleaner.
- CSV SorterCSV Sorter sorts csv sorter.
- CSV SplitterSplit a CSV into chunks of 10, 50, or 100 data rows, and repeat the header on every chunk.
- CSV MergerCSV Merger handles csv merger.
- CSV to JSON TextCSV to JSON Text converts CSV rows as JSON objects or arrays.
- JSON to CSV TextJSON to CSV Text converts JSON arrays flattened into CSV rows.
- CSV to XMLCSV to XML turns CSV into XML.
- XML to CSVXML to CSV turns XML into CSV.
- TSV ConverterTSV Converter converts tsv.
- Delimiter ConverterDelimiter Converter converts delimiter.
- Excel Formula FormatterExcel Formula Formatter formats excel formula.
- Markdown Table GeneratorMarkdown Table Generator generates Markdown conversion or formatting.
- SQL BeautifierSQL Beautifier formats SQL formatting or helpers.
- SQL MinifierSQL Minifier minifies SQL formatting or helpers.
- SQL ValidatorSQL Validator validates SQL formatting or helpers.
- SQL IndenterSQL Indenter handles SQL formatting or helpers.
- SQL UppercaseSQL Uppercase handles SQL formatting or helpers.
- SQL LowercaseSQL Lowercase handles SQL formatting or helpers.
- SQL Keyword FormatterSQL Keyword Formatter formats SQL formatting or helpers.
- SQL to JSONSQL to JSON turns SQL into JSON.
- JSON to SQLJSON to SQL turns JSON into SQL.
- SQL Insert GeneratorSQL Insert Generator generates SQL formatting or helpers.
- SQL Update GeneratorSQL Update Generator generates SQL formatting or helpers.
- SQL Create Table GeneratorSQL Create Table Generator generates SQL formatting or helpers.
- SQL Alias FormatterSQL Alias Formatter formats SQL formatting or helpers.
- SQL Query ExplainerSQL Query Explainer inspects SQL formatting or helpers.
- HTML EncodeHTML Encode turns reserved characters into HTML entities, and can decode those entities back to text.
- HTML DecodeHTML Decode decodes html decode.
- Unicode ConverterUnicode Converter converts characters mapped to Unicode code points (U+XXXX).
- Ascii ConverterAscii Converter converts ascii.
- HEX EncoderHEX Encoder encodes colors, palettes, or CSS gradients.
- HEX DecoderHEX Decoder decodes colors, palettes, or CSS gradients.
- Binary ConverterBinary Converter writes each character as eight bits, using its character code, padded with leading zeros. It does not turn a binary string back into text.
- Binary to DecimalBinary to Decimal turns a string of 0s and 1s into a base-10 number. Spaces are removed first. Any other character stops the conversion.
- Decimal to BinaryDecimal to Binary prints the binary form of the number you type. A blank box becomes 0. A value that is not a number comes back as NaN.
- Decimal to HEXDecimal to Hex prints the hexadecimal form of the number you type, in uppercase. A blank box becomes 0. Text that is not a number comes back as NaN.
- HEX to DecimalHex to Decimal turns hexadecimal digits into a base-10 number. A 0x prefix is rejected. The letters A through F may be upper or lower case.
- Octal ConverterOctal Converter converts octal.
- UTF8 ConverterUTF8 Converter converts utf8.
- UTF16 ConverterUTF16 Converter converts utf16.
- Character Code ViewerCharacter Code Viewer inspects character code viewer.
- Percent EncoderPercent Encoder encodes percent encoder.
- Character CounterCharacter Counter analyzes text analysis and readability metrics.
- Sentence CounterSentence Counter analyzes sentence.
- Paragraph CounterParagraph Counter analyzes paragraph.
- Line CounterLine Counter analyzes line.
- Duplicate Line RemoverDuplicate Line Remover cleans line and string cleanup.
- Remove Empty LinesRemove Empty Lines handles remove empty lines.
- Trim WhitespaceTrim Whitespace handles line and string cleanup.
- Normalize SpacesNormalize Spaces handles normalize spaces.
- Reverse TextReverse Text handles reverse text.
- Shuffle LinesShuffle Lines handles shuffle lines.
- Sort LinesSort Lines sorts line and string cleanup.
- Random Text GeneratorRandom Text Generator generates random text.
- Markdown PreviewMarkdown Preview inspects Markdown conversion or formatting.
- Prefix LinesPrefix Lines handles prefix lines.
- Suffix LinesSuffix Lines handles suffix lines.
- Wrap TextWrap Text handles wrap text.
- Unwrap TextUnwrap Text handles unwrap text.
- Text DiffText Diff compares text diff.
- Text CompareText Compare compares text compare.
- Text SplitterText Splitter handles text splitter.
- Text JoinerText Joiner handles text joiner.
- Text CleanerText Cleaner cleans text cleaner.
- Clipboard FormatterClipboard Formatter formats clipboard.
- Regex ExplainerRegex Explainer inspects regular expression tests and replacements.
- Regex BuilderRegex Builder builds regular expression tests and replacements.
- Regex Cheat SheetRegex Cheat Sheet handles regular expression tests and replacements.
- Regex ReplaceRegex Replace handles regular expression tests and replacements.
- Regex ValidatorRegex Validator validates regular expression tests and replacements.
- Email Regex GeneratorEmail Regex Generator generates regular expression tests and replacements.
- URL Regex GeneratorURL Regex Generator generates regular expression tests and replacements.
- Phone Regex GeneratorPhone Regex Generator generates regular expression tests and replacements.
- Password Regex GeneratorPassword Regex Generator generates regular expression tests and replacements.
- HTML FormatterHTML Formatter formats html.
- HTML BeautifierHTML Beautifier formats html beautifier.
- HTML ValidatorHTML Validator validates html.
- HTML PreviewHTML Preview inspects html preview.
- CSS FormatterCSS Formatter formats css.
- CSS BeautifierCSS Beautifier formats css beautifier.
- CSS MinifierCSS Minifier minifies css minifier.
- CSS Grid GeneratorCSS Grid Generator generates css grid.
- CSS Flexbox GeneratorCSS Flexbox Generator generates css flexbox.
- CSS Box Shadow GeneratorCSS Box Shadow Generator generates css box shadow.
- CSS Border Radius GeneratorCSS Border Radius Generator generates css border radius.
- CSS Gradient GeneratorCSS Gradient Generator generates colors, palettes, or CSS gradients.
- CSS Clamp GeneratorCSS Clamp Generator generates css clamp.
- CSS Transform GeneratorCSS Transform Generator generates css transform.
- CSS Animation GeneratorCSS Animation Generator generates css animation.
- CSS Filter GeneratorCSS Filter Generator generates css filter.
- CSS Unit ConverterCSS Unit Converter converts css unit.
- CSS Selector GeneratorCSS Selector Generator generates css selector.
- Javascript FormatterJavascript Formatter formats javascript.
- Javascript BeautifierJavascript Beautifier formats javascript beautifier.
- Javascript MinifierJavascript Minifier minifies javascript minifier.
- TypeScript FormatterTypeScript Formatter formats typescript.
- JSX FormatterJSX Formatter formats jsx.
- JSX BeautifierJSX Beautifier formats jsx beautifier.
- Javascript DiffJavascript Diff compares javascript diff.
- Javascript Comment RemoverJavascript Comment Remover cleans javascript comment remover.
- Template Literal ConverterTemplate Literal Converter converts plain strings wrapped as JavaScript template literals.
- Arrow Function ConverterArrow Function Converter converts arrow function.
- Es5 to Es6 ConverterEs5 to Es6 Converter converts es5 to es6.
- Import SorterImport Sorter sorts import sorter.
- Export SorterExport Sorter sorts export sorter.
- Package JSON FormatterPackage JSON Formatter formats pretty-printed JSON.
- Package Lock ViewerPackage Lock Viewer inspects package lock viewer.
- HEX to RGBHEX to RGB turns HEX into RGB.
- RGB to HEXRGB to HEX turns RGB into HEX.
- RGB to HSLRGB to HSL turns RGB into HSL.
- HSL ConverterHSL Converter converts colors, palettes, or CSS gradients.
- Palette GeneratorPalette Generator generates colors, palettes, or CSS gradients.
- Contrast CheckerContrast Checker validates contrast.
- Color Blindness SimulatorColor Blindness Simulator handles colors, palettes, or CSS gradients.
- Opacity CalculatorOpacity Calculator handles opacity.
- Tailwind Color PickerTailwind Color Picker handles colors, palettes, or CSS gradients.
- Material Color GeneratorMaterial Color Generator generates colors, palettes, or CSS gradients.
- CSS Color Name FinderCSS Color Name Finder handles colors, palettes, or CSS gradients.
- Random Color GeneratorRandom Color Generator generates colors, palettes, or CSS gradients.
- Shadow GeneratorShadow Generator generates shadow.
- UUID Batch GeneratorUUID Batch Generator generates unique ID generation.
- Nano Id GeneratorNano Id Generator generates nano id.
- ULID GeneratorGenerate ULIDs — lexicographically sortable unique IDs with embedded timestamps — browser-only.
- Random Number GeneratorRandom Number Generator generates random number.
- Random Username GeneratorRandom Username Generator generates random username.
- Random String GeneratorRandom String Generator generates random string.
- Random Token GeneratorRandom Token Generator generates random token.
- Secure Pin GeneratorSecure Pin Generator generates secure pin.
- Epoch ConverterEpoch Converter reads a Unix timestamp or a date string and prints ISO, UTC, local time, and Unix seconds and milliseconds. Thirteen digits or more are milliseconds.
- Time DifferenceTime Difference compares time difference.
- Business Days CalculatorBusiness Days Calculator handles business days.
- Leap Year CheckerLeap Year Checker validates leap year.
- Iso8601 FormatterIso8601 Formatter formats iso8601.
- Rfc3339 FormatterRfc3339 Formatter formats rfc3339.
- Timezone ConverterTimezone Converter converts timezone.
- Reverse LinesReverse Lines handles reverse lines.
- Sort Lines DescSort Lines Desc sorts line and string cleanup.
- Add Line NumbersAdd Line Numbers handles add line numbers.
- Remove Line NumbersRemove Line Numbers handles remove line numbers.
- Extract Phone NumbersExtract Phone Numbers extracts emails, URLs, or phone numbers pulled from messy text.
- Title Case ConverterTitle Case Converter converts title case headings.
- Sentence Case ConverterSentence Case Converter converts sentence case text (first letter capital, remaining letters lower).
- Alternating CaseAlternating Case handles alternating case.
- Letter Frequency CounterCount how often each letter appears in your text — handy for puzzles, cryptograms, and language experiments.
- Remove Duplicate WordsRemove Duplicate Words handles remove duplicate words.
- Longest Line FinderLongest Line Finder handles longest line finder.
- Shortest Line FinderShortest Line Finder handles shortest line finder.
- Pad LinesPad Lines handles pad lines.
- Indent LinesIndent Lines handles indent lines.
- Dedent LinesDedent Lines handles dedent lines.
- Join Lines CommaJoin Lines Comma handles join lines comma.
- Split By DelimiterSplit By Delimiter handles split by delimiter.
- CSV Column ExtractorCSV Column Extractor extracts csv column extractor.
- Rot13 CipherRot13 Cipher handles rot13 cipher.
- Caesar CipherCaesar Cipher handles caesar cipher.
- Morse DecoderMorse Decoder decodes morse decoder.
- Base32 EncoderBase32 Encoder encodes base32 encoder.
- Base32 DecoderBase32 Decoder decodes base32 decoder.
- Base58 EncoderBase58 Encoder encodes base58 encoder.
- Levenshtein DistanceLevenshtein Distance handles levenshtein distance.
- Palindrome CheckerPalindrome Checker validates palindrome.
- Anagram CheckerAnagram Checker validates anagram.
- Vowel Consonant CounterVowel Consonant Counter analyzes vowel consonant.
- Remove PunctuationRemove Punctuation handles remove punctuation.
- Keep AlphanumericKeep Alphanumeric handles keep alphanumeric.
- Remove AccentsRemove Accents handles remove accents.
- Tabs to SpacesTabs to Spaces turns Tabs into Spaces.
- Spaces to TabsSpaces to Tabs turns Spaces into Tabs.
- Quote LinesQuote Lines handles quote lines.
- Unquote LinesUnquote Lines handles unquote lines.
- NATO PhoneticNATO Phonetic spells a word or name as Alfa, Bravo, Charlie so you can read it over the phone.
- Pig Latin ConverterPig Latin Converter converts pig latin.
- Fake Name GeneratorFake Name Generator generates fake name.
- Fake Email GeneratorFake Email Generator generates fake email.
- Sequential Number ListSequential Number List handles sequential number list.
- Alphabet ListAlphabet List handles alphabet list.
- Random Date ListRandom Date List handles random date list.
- Luhn CheckerLuhn Checker validates luhn.
- Isbn Check DigitIsbn Check Digit handles isbn check digit.
- UUID ValidatorUUID Validator validates unique ID generation.
- Email Format ValidatorEmail Format Validator validates email format.
- URL Format ValidatorURL Format Validator validates url format.
- JSON to Query StringFlatten a JSON object into an encoded query string for APIs and redirects — browser-only.
- HTTP Status Code LookupLook up any HTTP status code with plain-English meaning — including commonly confused codes like 401 vs 403 and 502 vs 503.
- Mime Type LookupMime Type Lookup handles mime type lookup.
- HTML Strip TagsHTML Strip Tags handles html strip tags.
- HTML Comment RemoverHTML Comment Remover cleans html comment remover.
- Robots Txt GeneratorRobots Txt Generator generates robots txt.
- Sitemap URL ListSitemap URL List handles sitemap url list.
- Twitter Card Meta GeneratorTwitter Card Meta Generator generates Twitter Card meta tags for link previews.
- Meta Description LengthMeta Description Length handles meta description length.
- Title Tag LengthTitle Tag Length handles title tag length.
- Curl Command BuilderCurl Command Builder builds curl command.
- Fetch Snippet BuilderBuild a ready-to-paste JavaScript fetch() snippet from a URL and optional body — in your browser.
- User Agent ParserUser Agent Parser parses user agent parser.
- Env File SorterAlphabetize KEY=VALUE lines in a dotenv file for cleaner diffs and reviews — in your browser.
- Gitignore TemplateGitignore Template handles gitignore template.
- YAML to EnvConvert a flat YAML key map into dotenv KEY=VALUE lines for local apps — browser-only.
- Env to JSONEnv to JSON turns Env into JSON.
- JSON to EnvTurn a flat JSON object into dotenv KEY=VALUE lines for local development — in your browser.
- Markdown Toc GeneratorMarkdown Toc Generator generates Markdown conversion or formatting.
- Markdown Link ExtractorMarkdown Link Extractor extracts Markdown conversion or formatting.
- Markdown Checklist BuilderMarkdown Checklist Builder builds Markdown conversion or formatting.
- CSV TransposeCSV Transpose handles csv transpose.
- List AverageList Average handles list average.
- List SumList Sum handles list sum.
- List MedianList Median handles list median.
- List Min MaxList Min Max handles list min max.
- Roman to ArabicRoman to Arabic turns Roman into Arabic.
- Arabic to RomanArabic to Roman turns Arabic into Roman.
- Number to WordsNumber to Words turns Number into Words.
- Scientific NotationScientific Notation handles scientific notation.
- Bytes HumanizerBytes Humanizer handles bytes humanizer.
- Ms to DurationMs to Duration turns Ms into Duration.
- Weekday From DateWeekday From Date handles weekday from date.
- Extract Domain From URLExtract Domain From URL extracts extract domain from url.
- Extract Path From URLExtract Path From URL extracts extract path from url.
- UTM ParserUTM Parser parses parsed UTM fields from a pasted marketing URL.
- Base64url EncoderBase64url Encoder encodes Base64 encoding and decoding.
- Base64url DecoderBase64url Decoder decodes Base64 encoding and decoding.
- Speaking Time EstimatorSpeaking Time Estimator handles speaking time estimator.
- Keyword Density CheckerMeasure how often a target keyword appears relative to total words so you can balance SEO focus without stuffing.
- Line Length CheckerLine Length Checker validates line length.
- Mac Address NormalizeMac Address Normalize handles mac address normalize.
- Ip to BinaryIp to Binary turns Ip into Binary.
- Cidr Host CountCidr Host Count handles cidr host count.
- List to HTML UlList to HTML Ul converts list to html ul.
- Markdown Table to CSVMarkdown Table to CSV converts Markdown conversion or formatting.
- YAML Key SorterYAML Key Sorter sorts YAML conversion or formatting.
- Query Param SorterQuery Param Sorter sorts query param sorter.
- JSON to Dot NotationJSON to Dot Notation converts json to dot notation.
- Dot Notation to JSONDot Notation to JSON converts dot notation to json.
- Slugify FilenameSlugify Filename handles slugify filename.
- JSON Type SummaryJSON Type Summary handles json type summary.
- URL Query DiffURL Query Diff compares url query diff.
- Package.json Scripts ListExtract and list scripts from package.json so you can see available npm commands at a glance.
- CSS Declaration SorterCSS Declaration Sorter sorts css declaration sorter.
- HTML Attribute SorterHTML Attribute Sorter sorts html attribute sorter.
- CSS Variable ExtractorCSS Variable Extractor extracts css variable extractor.
- Data Uri SizeData Uri Size handles data uri size.
- Unicode EscapeUnicode Escape handles unicode escape.
- Unicode UnescapeUnicode Unescape handles unicode unescape.
- XML Tag ListerXML Tag Lister handles XML formatting or conversion.
- SVG Path StatsSVG Path Stats handles svg path stats.
- Robots Txt ValidatorRobots Txt Validator validates robots txt.
- Po Number GeneratorPo Number Generator generates po number.
- CSV DedupeCSV Dedupe handles csv dedupe.
- Standup Notes FormatterStandup Notes Formatter formats standup notes.
- Slug Batch GeneratorSlug Batch Generator generates URL-safe slugs from titles and headlines.
- AP Title CaseAP Title Case capitalizes headlines the way news style does, and leaves short words like of and the lowercase.
- Checklist From LinesChecklist From Lines handles checklist from lines.
- Bullet List FormatterBullet List Formatter formats bullet list.
- Lines to Numbered ListLines to Numbered List converts lines to numbered list.
- Text InitialsText Initials handles text initials.
- Name Order SwapName Order Swap handles name order swap.
- Phone E164 FormatPhone E164 Format handles phone e164 format.
- API Key GeneratorAPI Key Generator generates api key.
- MD5 Text HashMD5 Text Hash hashes cryptographic hashes computed locally.
- HTML MinifierHTML Minifier minifies html minifier.
- Htaccess Redirect GeneratorHtaccess Redirect Generator generates htaccess redirect.
- Iban ValidatorIban Validator validates iban.
- Upc Ean Check DigitUpc Ean Check Digit handles upc ean check digit.
- Isbn 13 ValidatorIsbn 13 Validator validates isbn 13.
- Credit Card Brand DetectorCredit Card Brand Detector handles credit card brand detector.
- Percentage Change CalculatorPercentage Change Calculator handles percentage change.
- VTT to SRTVTT to SRT turns VTT into SRT.
- SVG MinifySVG Minify minifies svg minify.
- Px Rem ConverterPx Rem Converter converts px rem.
- Flesch Reading EaseFlesch Reading Ease handles text analysis and readability metrics.
- Security Txt GeneratorSecurity Txt Generator generates security txt.
- Ads Txt GeneratorAds Txt Generator generates ads txt.
- Hmac Sha256 GeneratorHmac Sha256 Generator generates cryptographic hashes computed locally.
Calculators
Finance, health, and everyday math — ROI, margins, EMI, mortgage, BMI, fuel cost, inflation, savings goals, and more.
- ROI CalculatorCalculate return on investment from amount invested and amount returned.
- BMI CalculatorCalculate body mass index from weight (kg) and height (cm) with WHO adult categories.
- Debt Payoff CalculatorEstimate months, total paid, and interest to clear a balance with fixed monthly payments.
- Profit Margin CalculatorFind profit and margin percent from revenue and cost.
- Savings Goal CalculatorEstimate months to reach a savings goal with monthly contributions and optional return rate.
- Fuel Cost CalculatorEstimate trip fuel use and cost using L/100km or MPG plus fuel price.
- Compound Interest CalculatorProject savings growth with compound interest and optional regular contributions.
- EMI CalculatorCalculate equated monthly installments (EMI) for a fixed-rate loan or purchase plan.
- Mortgage CalculatorEstimate mortgage payments from property price, down payment, rate, and term.
- Loan CalculatorEstimate monthly payments, total interest, and payoff cost for a fixed-rate amortizing loan.
- VAT CalculatorAdd or extract VAT/GST from an amount using a percentage rate.
- Pay Raise CalculatorCalculate the raise amount and new pay from current pay and raise percent.
- BMR & TDEE CalculatorEstimate basal metabolic rate and daily calories (TDEE) using Mifflin–St Jeor.
- Sales Tax CalculatorAdd sales tax to a net price or extract tax from a tax-inclusive total.
- Simple Interest CalculatorSimple Interest Calculator uses I = P times r times t, with r as an annual percent, and shows interest and total. It does not compound.
- Hourly to Salary CalculatorConvert an hourly wage to weekly, monthly, and annual salary estimates.
- Salary to Hourly CalculatorConvert annual salary to an equivalent hourly rate from hours/week and weeks/year.
- Net Worth CalculatorSubtract liabilities from assets for a quick net-worth snapshot.
- Tip Split CalculatorCalculate tip, total bill, and equal per-person share.
- Grade CalculatorCompute a weighted grade from scores and matching weights.
- Macro CalculatorSplit daily calories into protein, carbs, and fat grams from percent targets.
- Aspect Ratio CalculatorSimplify width×height to a ratio like 16:9 and show the decimal.
- Discount Stack CalculatorApply multiple discounts in order to see the final price and total savings.
- CAGR CalculatorCalculate compound annual growth rate from start value, end value, and years.
- Sleep Cycle CalculatorSuggest wake times based on ~90-minute sleep cycles from your bedtime.
- Pace Split CalculatorGenerate even kilometer (or custom) splits from race distance and target pace.
- Payback Period CalculatorEstimate how many years to recover an investment from steady annual cash flow.
- Amortization Schedule CalculatorCalculate monthly loan payment and preview the amortization schedule.
- Refinance Break-even CalculatorFind how many months until refinance closing costs are offset by lower payments.
- Margin Markup ConverterConvert between profit margin percent and markup percent.
- Calories from MacrosConvert protein, carb, and fat grams into total calories (4/4/9).
- Ideal Weight CalculatorEstimate ideal body weight with the Devine formula from height.
- VO2 Max Cooper CalculatorEstimate VO₂ max from a 12-minute Cooper run distance.
- Tip on Taxed Bill CalculatorCalculate tip and grand total with tax, tipping on pre-tax or post-tax amount.
- Unit Price CalculatorFind price per unit from pack price and quantity — compare grocery and bulk deals.
- Monthly vs Annual SavingsCompare paying monthly vs yearly for a subscription and see which saves money.
- Meeting Cost CalculatorEstimate the cost of a meeting from attendees, average hourly rate, and duration.
- Percentage CalculatorFind X% of Y, what percent one number is of another, or percent change.
- Tip CalculatorCalculate tip amount and split a bill between people.
- Discount CalculatorDiscount Calculator shows the savings and final price for one original price and one percent. It does not stack discounts or add sales tax.
- Unit ConverterConvert length, weight, temperature, area, volume, speed, and data storage units.
- Number Base ConverterConvert numbers between binary, octal, decimal, and hexadecimal.
- Date DifferenceCalculate the number of days, weeks, and hours between two dates.
- Age CalculatorCalculate age in years, months, and days from a date of birth.
- Salary ConverterConvert between hourly, daily, weekly, monthly, and yearly pay.
- Pace CalculatorCalculate running or walking pace, speed, and finish time from distance and time.
- GPA CalculatorCalculate weighted GPA from course grades and credits on a 4.0, 5.0, or percentage scale.
- Currency ConverterConvert between currencies using editable exchange rates (illustrative defaults vs USD).
- Week NumberFind the ISO week number (1–53) for any date.
- Countdown TimerLive countdown to a target date and time — days, hours, minutes, and seconds.
- Markup CalculatorCalculate selling price from cost and markup percent.
- Break-Even CalculatorEstimate units needed to cover fixed costs given price and variable cost per unit.
- APR / Effective Rate CalculatorConvert a nominal APR into an effective annual rate given compounding frequency.
- Inflation CalculatorSee how inflation changes the future value of money over a number of years.
- Commission CalculatorCalculate sales commission from revenue and rate, with optional base pay.
- Overtime Pay CalculatorEstimate regular and overtime pay from hourly rate, hours, OT threshold, and multiplier.
- Calorie Deficit CalculatorCompare TDEE and intake to estimate daily/weekly deficit and rough kg change.
- Pregnancy Due Date CalculatorEstimate a due date from the last menstrual period (LMP) using Naegele’s rule.
- Ovulation CalculatorEstimate ovulation day and fertile window from period start and cycle length.
- Time Zone Meeting PlannerConvert a meeting time between two fixed UTC offsets (no live DST lookup).
- Hours & Minutes AdderAdd two durations in hours and minutes and see the total.
- Electricity Bill CalculatorEstimate an electricity bill from kWh usage, rate per kWh, and optional fixed fee.
- Fraction ConverterConvert fractions to decimal/percent, or approximate a decimal as a fraction.
- Dice RollerRoll one or more dice with a chosen number of sides using secure browser randomness.
- Rule of 72 CalculatorEstimate years for an investment to double at a given annual return percent.
- Water Intake CalculatorEstimate daily water needs from body weight and activity minutes.
- One Rep Max CalculatorEstimate one-rep max (1RM) from a weight and rep count using the Epley formula.
- Protein Intake CalculatorEstimate daily protein grams from body weight and grams-per-kg target.
- DPI CalculatorCalculate DPI/PPI from pixel count along one side and physical size in inches.
- Body Fat Navy CalculatorEstimate body-fat percent with the US Navy circumference method (informational).
- Hours to DecimalConvert hours and minutes to decimal hours for timesheets.
- Decimal to HoursConvert decimal hours back to hours and minutes.
- Paycheck CalculatorPaycheck Calculator turns an hourly rate and hours into regular pay, overtime pay, and a net after the withholding percent you type. It does not look up tax tables.
- Time Card CalculatorTime Card Calculator adds clock-in and clock-out times for the week, subtracts unpaid breaks, and splits hours after the overtime threshold. Overnight shifts are not counted.
Audio Tools
Record, trim, join, fade, normalize, mono, pan, swap channels, insert silence, generate tones, and inspect audio — export WAV.
- Voice RecorderRecord microphone audio in your browser and download a WebM or WAV clip — nothing is uploaded.
- Audio TrimmerAudio Trimmer keeps the span between a start time and an end time and downloads a WAV. The end time must be later than the start time.
- Audio JoinerAudio Joiner places two or more clips one after another and downloads one WAV. Every clip must use the same sample rate, or the join stops.
- Audio Volume AdjusterRaise or lower audio volume with a gain slider and download a WAV.
- Reverse AudioReverse an audio clip and download a WAV — fun effects and quick checks, private in-browser.
- Fade Audio In/OutApply linear fade-in and fade-out to an audio clip and download a WAV.
- Normalize AudioPeak-normalize an audio clip so the loudest sample hits a target level, then download WAV.
- Audio to MonoConvert stereo (or multi-channel) audio to a single mono WAV by averaging channels.
- Trim SilenceRemove leading and trailing near-silence from an audio clip and download a WAV.
- Audio File InfoInspect duration, channels, sample rate, peak, and RMS of an audio file in your browser.
- Beep Tone GeneratorGenerate a sine-wave beep or tone and download a WAV — no microphone needed.
- Stereo Pan AudioPan audio left/right into a stereo WAV using a constant-power pan law.
- Audio Channel SwapSwap left and right channels on a stereo clip and download a WAV.
- Insert Audio SilenceInsert a stretch of silence at a chosen time and download a WAV.
Browser Tools
Test webcam, microphone, keyboard, mouse, battery, speakers, speech, typing speed, Pomodoro, screen DPR, browser info, and clipboard.
- Webcam TestOpen the front camera for a live preview in this tab. The stream is not recorded or uploaded.
- Microphone TestVerify your mic with a live input-level meter. Audio stays on your device — nothing is recorded or uploaded.
- Keyboard TestTest your keyboard with a live visual layout — keys light up as you press them, plus key/code event logs.
- Mouse TestTest mouse movement, left/middle/right clicks, and scroll wheel inside a private on-page pad.
- Screen Resolution CheckerSee screen size, available area, window size, pixel ratio, and orientation — updates live on resize.
- Browser InfoInspect user agent, platform, language, concurrency, timezone, and connection hints from your browser.
- Clipboard TestVerify clipboard write and read permissions with sample text — contents never leave your device.
- Battery StatusCheck battery level, charging state, and time remaining via the Battery Status API — private, in-browser.
- Typing Speed TestMeasure words-per-minute and accuracy with a timed typing test — all in your browser.
- Pomodoro TimerFocus/break Pomodoro timer with customizable intervals — runs locally in your tab.
- Gamepad TestTest connected gamepads — see button presses and axis values live in your browser.
- Storage Quota EstimateEstimate origin storage usage and quota via the StorageManager API.
- Coin FlipFlip a fair virtual coin — heads or tails — instantly in your browser.
- Online StatusSee whether your browser currently reports online or offline, with live updates.
- Notification Permission TestCheck and request browser notification permission, then fire a local sample notification.
- Speech Synthesis TestTest text-to-speech voices in your browser — speak sample text with local Speech Synthesis.
- Speaker TestSpeaker Test plays one short sine beep at 880 Hz through the default output device. It does not use the microphone and it does not record.
- Device Pixel RatioInspect devicePixelRatio and approximate physical screen pixels for your display.
- LocalStorage SizeEstimate how much localStorage this origin is using — keys and approximate UTF-16 bytes.
- StopwatchSimple stopwatch with start, pause, and reset — centisecond precision in your browser.
- MetronomeBrowser metronome with adjustable BPM — short clicks via Web Audio, nothing uploaded.
- Vibration TestTrigger short vibration patterns via the Vibration API — mainly on mobile browsers.
- Wake Lock TestRequest a screen wake lock so the display stays on while this tab is visible.
- Fullscreen API TestEnter and exit fullscreen on a page element using the Fullscreen API.
- Media Devices ListList cameras, microphones, and speakers available to this browser tab.
- Yes No PickerGet a random Yes or No answer for quick decisions — private and instant.
AI Tools
Summarize text and more with FileToolsHub AI — fast, free helpers for everyday writing and reading.
- AI SummarizeSummarize long articles, emails, or notes into a short clear summary with FileToolsHub AI — free online text summarizer.
- AI WriterDraft from a topic of up to 4,000 characters. Pick a tone and short, medium, or long. Check the facts.
- AI ParagraphTurn bullet notes into one clear paragraph with FileToolsHub AI — expand rough points into readable prose.
- AI RewriteRephrase up to 8,000 characters. Choose a tone and same length, shorter, or clearer, then compare the draft.
- AI BulletizerTurn a paragraph into clear Markdown bullet points with FileToolsHub AI — great for notes, slides, and checklists.
- AI Meta DescriptionGenerate an SEO meta description (~155 characters) from page or product text with FileToolsHub AI.
- AI ProofreadFix grammar, spelling, and clarity with FileToolsHub AI — get corrected text without changing your meaning.
- AI Headline GeneratorGenerate 5 title and headline options from a blurb with FileToolsHub AI — great for blogs, tools, and landing pages.
- AI Email SubjectGenerate 5 clear email subject line options from your draft with FileToolsHub AI.
- AI KeywordsExtract 8–12 keywords or keyphrases from page or document text with FileToolsHub AI — useful for SEO and ATS.
- ATS Resume ScoreCompare resume text with a job description and return a 0 to 100 score plus strengths, gaps, and a tip.