Compare PDF

See what changed between two versions of a PDF.

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Your files are processed on your device and are never uploaded to our server.

About Compare PDF

Got two versions of a contract or report and need to know what changed? Compare PDF reads the text of both files and shows the differences side by side. Removed lines are marked in red and new lines in green.

How to use Compare PDF

  1. 1Select the original PDF and the changed PDF.
  2. 2Click "Compare".
  3. 3Scroll through the highlighted differences.

Why use this tool?

  • Private. Files never leave your device.
  • Free. No sign up, no limits, no watermark.
  • Fast. Results in seconds, no waiting in a queue.
  • Any device. Works on computers, tablets and phones.

Frequently asked questions

Does it compare images too?

No, it compares the text. Changes to pictures or layout are not shown.

Does it work with scans?

Scans need OCR first, because they do not contain text.

Are both files kept private?

Yes. Both files are read in your browser and never uploaded.

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