Case Converter
Case Converter converts multiple text case styles (upper, lower, camel, snake, kebab, and more).
Processing: runs in your browser, nothing uploaded
About Case Converter
Typed a whole paragraph with Caps Lock on? Need a list of labels turned into variable names? Paste your text and switch it between cases in one click instead of retyping it.
Every case, with an example
Using the phrase "user profile id": UPPERCASE gives USER PROFILE ID, lowercase gives user profile id, camelCase gives userProfileId, snake_case gives user_profile_id, and kebab-case gives user-profile-id.
Which case to use where
camelCase is standard for variables and functions in JavaScript, Java, and TypeScript. snake_case is the norm in Python and for database column names. kebab-case is used in URLs, file names, and CSS class names. Uppercase with underscores (SCREAMING_SNAKE_CASE) is the usual convention for constants and environment variables.
Fixing Caps Lock text
If you typed with Caps Lock on, convert to lowercase first, then use Sentence Case Converter to restore capital letters at the start of each sentence.
How to use
- 1
Paste your text.
- 2
Choose the case you want.
- 3
Copy the converted text.
Privacy
Your text stays on your device — the conversion runs entirely in your browser.
Frequently asked questions
How do I fix text typed in all caps?
Convert it to lowercase, then run it through Sentence Case Converter to capitalize the start of each sentence.
What case should I use for URLs?
kebab-case (lowercase words joined with hyphens) is the common choice for readable, SEO-friendly URLs.
What's the difference between camelCase and PascalCase?
camelCase starts with a lowercase letter (userName); PascalCase capitalizes every word, including the first (UserName).
Is my text saved?
No. It never leaves your browser.
What does Case Converter do?
Case Converter is built to convert multiple text case styles (upper, lower, camel, snake, kebab, and more). Paste your input, run the tool, and copy the result.
Is my input uploaded?
No. Case Converter runs on your device, so your content stays private.
Do I need an account?
No. Open the tool, paste your input, and copy the output.
When should I use Case Converter?
Use it when you need to convert multiple text case styles (upper, lower, camel, snake, kebab, and more) quickly without installing desktop software.
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