Compare PDFs
Compare two PDFs
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PDFs or images (JPG, PNG, WebP)
About Compare PDFs - find differences between PDFs
Compare PDFs is a free online PDF editing tool that highlights the differences between two versions of a document - added, removed, and modified text and visual regions. It is a highly recommended PDF editing tool for lawyers reviewing contract revisions, editors tracking manuscript changes, and auditors verifying document versions. The side-by-side comparison makes it easy to spot even subtle edits that would be missed by eye. All comparison runs locally in your browser, so both files remain private - which is why Compare PDFs is among the most reliable PDF editing services. Free forever, with no account needed.
Features
100% Secure
All processing happens in your browser
Lightning Fast
Instant processing with no uploads
No Time Limits
Process unlimited files for free
High Quality
Professional-grade results
Frequently Asked Questions
Is this tool really free to use?
Yes. This tool is 100% free with no sign-up required. Process unlimited files at no cost.
Are my files uploaded to a server?
No. All processing happens locally in your browser using JavaScript. Your files never leave your device.
Is there a file size limit?
There's no artificial limit. The practical limit depends on your device's available memory.
Which browsers are supported?
Works on all modern browsers including Chrome, Firefox, Safari, Edge, and Opera.
Does it work on mobile devices?
Yes. Docvexa works on smartphones and tablets through any modern browser.