Diff Checker
Paste two versions of a text to see exactly what changed, line by line. Everything runs in your browser, so your text never leaves your device.
🔒 Tout se passe dans ton navigateur — rien n'est envoyé ni stocké.
Questions fréquentes
- How do I compare two texts?
- Paste the original on the left and the changed version on the right. Added lines are highlighted in green and removed lines in red.
- Does it work for code?
- Yes. The comparison is line-based, so it works well for code, config files, logs and any plain text.
- Is my text uploaded?
- No. The comparison runs entirely in your browser, so your text never leaves your device.