FREE BROWSER TOOL
Compare PDFs
Compare exactly two PDFs page by page and download a visual report with changed pixels highlighted in red.
- No sign-up
- No file uploads
- No added watermark
Unchanged areas appear pale gray and visual differences appear red.
How it works
- 1
Choose the two PDFs to compare.
- 2
Start the page-by-page visual comparison.
- 3
Download the generated difference report.
No file uploads
Processed on this device
Processing happens in your browser. Your selected files are not uploaded to Toolavio.
Formats and limits
This compares pixels, not meaning. The limit is 30 pages on mobile and 100 on desktop.
Frequently asked questions
No file uploads
Processing happens in your browser. Your selected files are not uploaded to Toolavio.
No sign-up
Pick the exact job, see only the controls that matter, and save the result to your device.
What result will I download?
Unchanged areas appear pale gray and visual differences appear red.
What should I know before processing?
This compares pixels, not meaning. The limit is 30 pages on mobile and 100 on desktop.