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Code Diff Checker
Compare two texts or code snippets line by line, with added lines in green and removed lines in red.
Diff result
- line one
line twoGreen = added, red = removed. Everything is compared locally in your browser.
How to use
- Paste the original text on the left and the new text on the right.
- Click Compare to see added, removed and unchanged lines.
Frequently asked questions
Does it show character-level changes?
This tool compares line by line, which is best for code review.
Is my code uploaded?
No, diffing is local in your browser.
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