Compare PDF Files

Compare two PDF documents side by side or with overlay diff mode. Spot differences between document versions instantly.

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Visual or text comparison?

How the pages look: layout, images, moved content

Pages are rendered side by side, or overlaid so anything that differs stands out.

Exactly which words or lines changed

This tool compares page images. For a word-by-word text diff, open both PDFs in the Diff Checker.

Compare PDF text in the Diff Checker

Features

  • Side-by-side comparison

  • Overlay difference mode

  • Page-by-page navigation

  • Visual difference highlighting

  • Page count comparison

  • Fast client-side processing

  • 100% private - files stay local

  • No signup required

Perfect For

Version Control

Compare document versions to see what changed between revisions.

Quality Check

Verify that converted or processed PDFs match the original.

Contract Review

Spot changes made to contracts and legal documents.