Are compared texts uploaded?
No. Diff Checker compares text locally in your browser.
Diff Checker
About this tool
Diff Checker
Compare text, code, JSON, and config changes locally with split and unified diff views in a browser-first Diff Checker.
Features
- Original text input for comparison.
- Changed Text controls.
- Split and unified diff view options.
- Copy-friendly diff output.
Frequently asked questions
Can I ignore formatting differences?
Yes. You can ignore whitespace, case, and blank lines before comparing.
Can I copy the diff?
Yes. Copy a unified diff for reviews, comments, and issue trackers.