Diff Checker
Compare two texts and instantly see the differences highlighted. Everything runs in your browser — no data is sent to any server.
Line-by-Line Diff
See additions, removals, and unchanged lines with clear color coding and line numbers.
100% Private
Your data never leaves your browser. No tracking, no cookies, no server-side processing.
Swap & Compare
Easily swap original and modified text to view differences from either direction.
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