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Compare Two PDFs

Compare two PDFs locally and get a page-by-page TXT report of detectable changes.

Choose exactly two PDFs: old first, new second. Changes inside scanned images are not detected.

Choose a file to begin
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This tool runs in your browser. Selected files are not sent to our server.

How to use it

  1. Choose exactly two PDFs in before-and-after order.
  2. Run the comparison.
  3. Read or download the TXT report.

What to know

This compares page counts, dimensions, and selectable text. It does not detect visual differences in scanned images, fonts, colours, or graphics. Up to 25 MB and 50 pages per PDF.

Frequently asked questions

Will it compare scanned pages?

It reports page count and size, but cannot determine whether the scan image changed.

Are the PDFs uploaded?

No. The comparison runs in your browser.