How to Compare Two PDF Files
1. Open the **Compare PDFs** tool.
2. Select Document A and Document B to review highlighted differences.
July 20, 2025Updated 2026-10-013 min read
Compare Two PDFs Side by Side Free — Spot Changes
Compare two PDF versions side by side free with synced scrolling to spot every change. No upload, no sign-up. Perfect for contract revisions.
Frequently asked questions
Does the comparison work with scanned documents?
Yes, our visual pixel difference mode highlights changes even on scanned image PDFs.