Compare PDFs
See text and visual differences between two versions.
Processed on your device
This tool runs in your browser. Your files are not uploaded. Privacy
Features
- Works with multiple files at once
- Free to use, no sign-up
- No watermarks
- Processed on your device — files are not uploaded
Good to know
Text comparison works on extracted text, so reflowed paragraphs can show as changes. Visual comparison works page by page and assumes the same page sizes; inserted pages shift the comparison.
How to use Compare PDFs
- 1Upload your PDFs (drag and drop, choose, or paste)
- 2Adjust the options if you want to
- 3Click Compare PDFs
- 4Download the result
Frequently asked questions
Is Compare PDFs really free?
Yes. Every tool on this site is free with no sign-up, no watermark and no premium tier. The only limits are technical ones that keep the service fast for everyone.
Are my files uploaded?
No. This tool runs entirely in your browser, so your file stays on your device.