Text Diff
Compare two texts and see the differences highlighted side by side.
About Text Diff
Compare two blocks of text and instantly see the differences highlighted. Added lines are shown in green, removed lines in red, and unchanged lines in gray. Perfect for comparing code versions, documents, or any text content. All processing happens in your browser for complete privacy.
How to Use Text Diff
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Paste the original text into the left input area.
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Paste the modified text into the right input area.
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Click "Compare" to see the differences highlighted.
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Added lines appear in green, removed lines in red, and unchanged lines in gray.
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Toggle "Ignore Whitespace" if formatting changes are not relevant.
Tips for Best Results
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Enable "Ignore Whitespace" when comparing code that was only reformatted, not functionally changed.
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For large documents, break them into smaller sections for more focused comparison.
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The side-by-side view makes it easy to spot even single-character changes.
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Copy differences to create a summary of changes for changelogs and release notes.
Common Use Cases
Code Review
Compare code versions to see exactly what changed between commits.
Document Editing
Review edits made by collaborators to contracts, essays, and reports.
Configuration Management
Compare server config files before and after changes to catch errors.
Content Auditing
Track changes to website copy, legal terms, and policy documents over time.
Frequently asked questions
Why Use Our Text Diff؟
Side-by-side comparison
Highlight added and removed lines
Ignore whitespace option
Copy differences
100% client-side
Free and instant