Diff Checker
Compare two texts side-by-side. Highlight differences line by line.
About text diff
Compare two plain-text inputs line by line with simple add/remove highlighting. Useful for configs, snippets, and log excerpts.
Why compare locally?
Quick diffing helps you review changes before commit, spot accidental edits, or verify two exports match—without uploading content to a server.
Key features
- Side-by-side editors with a single compare action.
- Line-based diff with clear visual cues.
- Runs fully in the browser.
- Works for any plain text, including code and config.
How to use
- Paste original text on the left and modified text on the right.
- Click Compare to generate the diff.
- Scan added and removed lines in the output panel.
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