Free · No sign-up · Files stay on your device

How to compare two PDFs

  1. Select the original PDF, then add the new version.
  2. Click Compare.
  3. Review the changes and download the comparison report.

Private by design

Compare PDF runs entirely in your browser. Your file is processed on your own device and is never uploaded, so it stays private. It’s free, with no sign-up and no watermark.

Frequently asked questions

Does it compare scanned documents?

Yes, visually. Changed areas are highlighted. Text comparison needs a text layer.

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