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Our free text comparison tool highlights differences between two text documents side-by-side. Easily spot additions, deletions, and modifications. Perfect for comparing code, documents, or any text content.
Paste or upload your original text on the left
Paste or upload the modified text on the right
Click Compare to see differences
Review highlighted changes in the results
Any text-based files including plain text, code, markdown, JSON, XML, configuration files, and more.
Added text is highlighted in green, removed text in red, and modified sections show both old and new versions.
The tool handles large files well, though very large documents may take longer to compare.
No, all comparison happens in your browser. Your text is never uploaded to any server.