Diff Checker
Compare two texts line by line and highlight the differences.
Enter text in both boxes to see the differences
About Diff Checker
Compares two blocks of text line by line using a longest-common-subsequence algorithm, highlighting added lines in green and removed lines in red. Useful for comparing code, config files, or any text revisions. Everything runs locally in your browser.
About this tool
Paste two versions of text or code and see a line diff with added lines in green and removed lines in red, plus a change summary.
Key Features
- ✓ Line-by-line diff
- ✓ Added/removed highlighting
- ✓ Change count summary
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