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Compare PDF Documents

Spot the differences between two versions of a PDF with a visual side-by-side diff.

Compare PDF Documents — Free

How to Compare PDF Documents

1
Upload both PDFs
Drop the original and the revised PDF into the compare tool.
2
Run the comparison
PDFEdit renders both documents side by side and highlights changes — additions in green, removals in red.
3
Review and export
Step through differences page by page and download a comparison report.

Try Compare PDF Documents Now

Zero uploads

Files are processed entirely in your browser. Nothing is ever sent to a server.

No account needed

Open the editor, do your work, and download. No sign-up, no tracking.

Instant & offline

No waiting for server responses. Works offline after the first page load.

Frequently Asked Questions

What types of changes are detected?+

Text additions, deletions, and modifications are highlighted. Image and layout changes are shown visually.

Does it compare scanned PDFs?+

For scanned PDFs, a pixel-level visual diff is performed. Text diff accuracy is higher for digital PDFs with a text layer.

Can I compare PDFs with different page counts?+

Yes. PDFEdit aligns pages by number. Pages present in one document but not the other are flagged accordingly.

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From the Blog

How-To

How to Compare Two PDF Files

When reviewing contract revisions or document drafts, comparing PDFs manually is tedious and error-prone. A PDF compare tool highlights exactly what changed between two versions.

4 min read

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