Diff Checker
Compare two texts line by line. Additions are green, deletions are red. This tool runs 100% in your browser — nothing is uploaded or saved.
0 additions
0 deletions
How to use
- Paste the original text on the left and the changed text on the right.
- Click Compare (the diff also updates as you type).
- Read green lines as additions and red lines as deletions, and switch between unified and side-by-side views.
Tips
- Everything runs in your browser — nothing you paste is uploaded or saved.
- Use side-by-side view for long documents and unified view for quick scans.
- Line breaks and extra spaces count as changes; that is normal.