Diff Checker
Paste two texts and highlight what changed — line by line, in your browser.
Original
Changed
About & FAQ
Compare two blocks of text and see exactly what changed — added lines are highlighted green, removed lines red, and unchanged lines stay plain. Useful for comparing drafts, code, config files or any two versions of text. Everything runs in your browser.
How do I compare two texts?
Paste the original on the left and the changed version on the right, then click Compare.
Is my text uploaded?
No — the comparison runs entirely in your browser.
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