Compare Text — Find the Difference
Paste two versions of a text and see exactly what changed: additions in green, deletions in red, line by line. Perfect for comparing drafts, config files, and code snippets. Nothing is uploaded.
🔒 100% private — files never leave your browser
How to use the Text Diff
- 1 Paste the original text on the left, the changed version on the right.
- 2 Click "Compare" — changes are highlighted line by line.
- 3 Review additions (green) and deletions (red).
Frequently asked questions
Can I compare code or config files?
Yes. The diff is line-based, which works well for source files, configs, and lists. Whitespace-only differences are highlighted too.
How large can the texts be?
Documents of several thousand lines compare instantly since the algorithm runs locally in your browser.
Are the texts uploaded?
No. Comparison happens entirely in your browser. Your files never leave your device — all processing happens locally in your browser.
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