Free online tool
How to use this tool
- Paste text or choose a file, depending on the tool.
- Run the browser-based calculation or conversion.
- Copy or download the result. Your data stays local in your browser.
FAQ
Is this text diff checker private?
Yes. All comparison runs locally in your browser; your text is not uploaded.
Can I compare code snippets?
Yes. Paste plain text, code, lists, or paragraphs to see line-by-line differences.
What do added and removed lines mean?
Added lines appear only in the revised text, while removed lines appear only in the original text.