Text Diff Checker
Compare two texts and find the differences
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How to Use Text Diff Checker
- Paste the original text in the left panel
- Paste the modified text in the right panel
- Differences are highlighted automatically
Frequently Asked Questions
What algorithm is used for text comparison?
The tool uses a character-level and line-level diff algorithm similar to what Git uses, highlighting additions, deletions, and unchanged sections with color coding.
Can I compare code files?
Yes. It works with any plain text including source code, configuration files, JSON, HTML, and Markdown. Syntax is preserved exactly as entered.
Is there a size limit for text comparison?
The tool handles texts up to tens of thousands of lines. Since all processing runs in your browser, performance depends on your device.
Is my data private when using this diff tool?
Yes. Both texts are compared entirely in your browser. Nothing is sent to any server, making it safe for comparing sensitive documents or proprietary code.