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Diff Checker

Compare two text inputs side-by-side. See additions and removals highlighted.

Click "Find difference" below to compare. Differences show side-by-side with removals in red and additions in green.
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Frequently Asked Questions

It compares two text inputs and shows differences side-by-side. Removed lines are highlighted in red on the left, added lines in green on the right—like Diffchecker.
Developers comparing code or configs, writers comparing drafts, or anyone checking what changed between two versions of text.
No. The diff is computed entirely in your browser. Your text never leaves your device.
The tool compares line-by-line by default, so each line is either equal, removed, or added.
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