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Text Tools
Text Compare
Compare two texts side-by-side and highlight the differences. Line-by-line diff with additions and deletions highlighted. Free, instant, browser-based.
Frequently asked
questions
The tool performs a line-by-line comparison using a longest common subsequence (LCS) algorithm — the same approach used by tools like git diff. Lines that appear only in the original are marked as removed; lines only in the new text are marked as added.
No. All comparison happens in your browser. Your text never leaves your device.