Compare two PDFs side by side and see what text was added, removed or changed.
Both files stay on your device · nothing is uploaded
Pages
Original
Changed
Difference overlay (changed pixels in red)
Spot Every Change Between Two Versions
Load the original and the revised PDF. The text comparison marks every inserted and deleted word, and the visual overlay highlights changed pixels page by page, which catches edits to images, layout and scanned pages too.
Completely Private
Both files are compared inside your browser using pdf.js. Neither document is uploaded to a server.
Key Features
- Word-level text comparison with added and removed words highlighted
- Visual overlay comparison for layout, image and scan changes
- Change count per page so you can jump to the edits
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