Diff Checker
Compare two blocks of text and highlight the differences line by line.
Runs in your browser — files never leave your device
Original
Changed
How it works
Paste two versions of text and see exactly which lines were added or removed.
Useful for comparing configs, drafts and code snippets.
Frequently asked questions
- Is my text uploaded?
- No — the comparison runs entirely in your browser.
- What granularity is the diff?
- Line by line, with added lines highlighted green and removed lines red.
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