Paste two blocks of text and see a Git-style diff with line numbers and color-coded highlights. Built with an LCS algorithm to maximize accuracy even on large documents.
Readable diffs
Removals appear in red, additions in green, and unchanged lines stay neutral. Perfect for reviewing config changes before commit.
Sticky copy controls
Copy entire panes or specific sections, expand the view, and keep track of differences even on mobile thanks to responsive layout.
When it earns its keep
- Review documentation edits from teammates
- Compare API responses over time
- Check user-submitted text for modifications
Questions people ask
What algorithm powers the diff?
A time-tested Longest Common Subsequence algorithm that balances accuracy and performance.
Does formatting matter?
Yes, whitespace differences are respected so you can detect indentation changes.