Diff Checker Tools

Select a tool to start comparing your files.

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Text Compare

Compare two blocks of text or code side-by-side. Highlight differences in logic, content, and formatting.

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Document Compare

Compare Word (.docx) and PDF files. Detect changes in layout and content.

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Frequently Asked Questions

Common questions asked by users.

Diff Checker uses an algorithm to compute the difference between two files or text blocks. It highlights lines that have been added, removed, or modified, making it easy to spot changes.
Yes. For text comparison, everything is processed in your browser. No data is sent to our servers.