Compare PDF
Compare two PDFs page by page. Text mode reports the exact words added and removed in order; visual mode renders both versions and marks every changed pixel in red, which catches moved images, restyled tables and signature changes that a text diff can't see. Runs entirely in your browser — your files are never uploaded.
Runs in your browser — your file never leaves your deviceDrag & drop files here
or click to browse — you can select several
Processed entirely in your browser. Your files are never uploaded.
Frequently asked questions
Is Compare PDF free to use?
Yes — Compare PDF is completely free with no limits, no watermarks and no sign-up. It runs in your browser, so there is nothing to pay for.
Are my files uploaded or stored anywhere?
No. This tool does all its work locally in your browser using your own device's power. Your files never leave your device and we never see them.
Do I need to install anything or create an account?
No installation and no account needed. Compare PDF works on any modern browser — Windows, Mac, Linux, Android and iPhone.
How do I use Compare PDF?
Open the tool, add your file (or paste your content), adjust any options, then press “Compare PDFs”. Your result is ready to download in seconds.
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