To compare two PDFs, add the original and the new version and press Compare. You get a page-by-page list showing lines removed from the old version and lines added in the new one.

Original version

New version

How to use Spot the differences

Step 1

Add the original PDF and the new PDF.

Step 2

Press Compare now.

Step 3

Read, copy or download the list of changes.

• Compares text only. Layout and image changes are not detected.

What people use it for

• Review edits between contract drafts

• Check what changed in a policy update

• Verify a revised report

Frequently asked questions

Does it compare images and layout?

No. It compares the text only. Image and layout changes are not detected.

Where do my files go?

Most tools work entirely inside your browser tab, so the PDF is processed on your device and not uploaded to us. The AI tools are the exception: with your own key, the text of your PDF is sent to the AI provider you choose, and they say so before you start.

Do I need an account, and is there a limit?

No account, no watermark and no daily limit set by the site. Very large files are limited only by your device’s memory.

Last updated 2026-11-08.

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