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Compare PDF online

See added and removed words page by page, or overlay the pages to highlight changes in layout and images.

Files are processed in your browser and never uploaded.

How to use Compare PDF

1

Add the original and the changed PDF.

2

Review text changes page by page.

3

Switch to the visual overlay to see layout changes.

Questions about Compare PDF

Quick answers about privacy, limits and results. Need more help? Contact us.

Does it work on scanned PDFs?

Text comparison needs real text. For scans, use the visual overlay, or run OCR first.

Are pages matched automatically?

Pages are compared by position, page 1 with page 1 and so on.

Are my files uploaded to your server?

No. This tool runs entirely in your browser, so your files never leave your device.

Is it free?

Yes. Every browser tool is free to use without sign-up or watermarks.

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