Text Diff Checker
Compare two text inputs to see whether they match and where summary-level differences appear.
Text Diff Checker tool
This checker compares the processed versions of Text A and Text B based on the selected normalization options.
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Privacy: comparison runs locally in your browser. No text is stored or transmitted.
Paste two texts, choose optional normalization rules, and compare them to see whether they match and where basic differences occur.
Examples
- Check whether two drafts are effectively identical
- Ignore case or extra spaces before comparing
- Identify the first several mismatched lines quickly
FAQ
- What does this text diff checker do?
It compares two text blocks and reports whether they are identical, along with summary-level differences in size and lines.
- Does it ignore spaces or case?
It can, if you enable normalization options such as trim, collapse spaces, or ignore case.
- Does it show a full visual diff?
This version focuses on practical summary comparison and line-level mismatch reporting rather than a full code-style diff view.
- Is my text stored?
No. Comparison runs locally in your browser and no text is stored or transmitted.