FileCompare AI FAQ

Online text and file diff tool. Compare lists or code side-by-side with clear highlights for additions, deletions, and changes — great for reviews and proofreading.

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What is FileCompare?

FileCompare (filecompare.org) is a free online diff tool with 21+ comparison tools. Paste or upload two versions of text, code, or files and see the differences highlighted side by side — additions, deletions, and changes.

What can I compare?

Text and code (plain text, JSON, HTML, CSS, XML, YAML, Markdown, SQL, CSV), API responses, two lists (with set operations like match, diff, and union), Excel spreadsheets, Word and PDF documents (including visual page-by-page PDF comparison), folders or ZIP files, images (for screenshot and UI visual QA), and colors (HEX / RGB / HSL).

Is FileCompare free?

Yes. All 21+ comparison tools are free to use.

Do I need an account?

No. The homepage shows no sign-up requirement — open a comparison tool and start.

How do I compare two files?

  1. Pick the tool that matches your content (for example, Compare JSON for API responses, or Compare PDF Text-layer for documents).
  2. Paste or upload both versions (A and B).
  3. Review the highlighted differences side by side.

Can I compare folders or ZIP files?

Yes — there is a dedicated Folders / ZIP comparison tool.

Are my files private?

Yes. Processing stays in your browser — files never leave your device, according to the site's privacy section.

Who is FileCompare for?

Developers reviewing code and API responses, and office workers proofreading documents, reconciling spreadsheet rows, or checking differences between two lists.