Compare PDF – find the differences between two versions
What did the other party change in the contract? PDFMy compares two versions word by word or overlays the pages – confidential documents stay on your computer.
Compare PDF – open in PDFMy now →
How it works
- Click “Compare documents” and choose the two versions.
- Choose a view: “Text” (inserted and removed words) or “Image (overlay)”.
- Go through the differences – dashed frames mark every changed spot.
Why PDFMy?
- Free – no registration, no subscription, no page limit.
- No upload – your files stay on your device (privacy-friendly under the GDPR).
- Everywhere – in the browser or as an app, on Windows, on the Mac and on your phone.
- From Paderborn – developed by Mentor GmbH (Mentor Group).
Frequently asked questions
And with scans or plans?
For scans, plans and drawings, the overlay works best: red appears only in the first version, green only in the second.
Are my contracts uploaded?
No. The comparison runs entirely in your browser.
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- Help
Found a bug or have an idea? Report a bug – by email from your mail program, without documents.