Text Diff Checker
Compare two texts and highlight differences instantly online. Free text diff tool with line-by-line and word-by-word diff modes. No signup required.
Original
Modified
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How to Use the Text Diff Checker
- Paste your original text in the left panel and the modified text in the right panel.
- Differences appear instantly — green for additions, red for removals.
- Use the Lines toggle for line-by-line comparison (best for code).
- Use the Words toggle for word-level differences (best for prose).
- Click Example to see a sample diff.