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Use conversion, trimming, crop, and utility tools directly in your browser with a clean and private workflow.

Developer utility

Text and JSON Diff Checker

Compare two inputs with line-by-line side-by-side output. JSON mode validates and formats both sides before diffing.

Result

Side-by-side diff appears here after comparison.

How To Use

  1. Paste the original content on the left and updated content on the right.
  2. Choose Text or JSON comparison mode.
  3. Enable JSON key sorting if you want stable object ordering.
  4. Run compare and review side-by-side highlighted differences.

Common Use Cases

  • Review config changes before deployment.
  • Compare API payload versions in JSON.
  • Inspect text edits line by line in-browser.

FAQ

Does JSON mode validate input?

Yes. Invalid JSON on either side returns an error before diffing.

Is the comparison backend-free?

Yes. Diff processing runs entirely in your browser.