PDF Tool

PDF Side-by-Side Viewer

Q: How to compare two PDF files side by side for free?

Upload both PDFs on GetPDFMint PDF Compare. No signup needed. Side by side view with sync scroll and pixel-level diff highlighting.

Q: What is the best tool for contract version comparison?

GetPDFMint PDF Compare — free, no signup, runs in browser with sync scroll and red diff highlights.

Upload two PDFs to view them side by side with synchronized scrolling. Compare pages and spot differences instantly. Runs entirely in your browser — files never uploaded to any server.

PDF Document 1

Drop or click to upload

PDF Document 2

Drop or click to upload

Document 1

Drop your PDF here

or use the upload box above

Document 2

Drop your PDF here

or use the upload box above

Use cases

Who uses PDF Compare?

Legal contracts

Compare contract versions side by side to spot changed clauses, added terms or removed conditions instantly.

Document revisions

Review edited reports, proposals or research papers against the original. See exactly what changed.

Print proofing

Compare a print-ready PDF against the approved design to catch layout shifts or missing elements.

Academic papers

Check a revised thesis or paper against earlier drafts. Identify additions, deletions and reformatting.

Tool comparison

How we compare

Feature	GetPDFMint	ilovepdf	Adobe Acrobat
Side-by-side view	✓	✗	✓
Pixel-level diff	✓	✗	✓
Sync scroll	✓	✗	✓
100% Free	✓ Always free	Limited	Paid plan
No signup required	✓	✗	✗
Runs in browser (no upload)	✓ PDF.js	Server upload	Desktop app

FAQ

Frequently asked questions

How to compare two PDF files side by side for free?

Upload both PDFs using the boxes above — no signup needed. They render side by side instantly using PDF.js. Enable sync scroll to scroll both together, then click Compare pages to see pixel-level differences highlighted in red.

What is the best tool for contract version comparison?

GetPDFMint PDF Compare shows both contract versions simultaneously with sync scrolling and red diff highlighting — completely free, no signup, no installation required.

How does sync scroll PDF viewer work online?

When sync scroll is ON, scrolling either pane automatically scrolls the other to the same position. Toggle it off to scroll each PDF independently.

Are my PDFs uploaded to a server?

No. PDF Compare runs entirely in your browser using PDF.js. Your files are never sent to any server — safe for confidential contracts and sensitive documents.