Diff Viewer
Compare two texts side by side with line-by-line diff output.
How to use Diff Viewer
- 1
Paste or type your input in the editor.
- 2
Click Process to transform instantly.
- 3
Copy the result with one click.
Why choose Diff Viewer?
- Runs 100% in your browser
- No file uploads needed
- Instant results
- Private — data never leaves your device
FAQ
What diff format?
Lines prefixed with + (added), - (removed), or space (unchanged).
Large files?
Best for text under 1 MB for smooth browser performance.