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Compare PDF — Free Online
Compare PDF highlights the differences between two PDF documents so you can see what changed. It runs in your browser.
Open Compare PDF tool →
✓ 100% free
✓ No sign-up
✓ No file upload
✓ Works in your browser
How to Compare PDF
- 1Open the Compare PDF tool and add two PDF files.
- 2Click Compare to analyse them.
- 3Review the highlighted differences.
- 4Download the comparison report.
Open Compare PDF tool →
Why use Compare PDF?
Comparing two versions quickly shows what changed, so you do not have to read both line by line.
Common use cases
- See edits between contract drafts.
- Check what changed in a new policy.
- Confirm a document was not altered.
Tips
- Use text-based PDFs for the clearest comparison.
- Name your files clearly before comparing.
Frequently asked questions
How do I compare two PDFs?
Add both PDFs to the Compare PDF tool and click Compare to see the differences.
Is it free?
Yes, comparing PDFs is free.
Are my files uploaded?
No, the comparison runs in your browser.