Runs entirely in your browser

Compare PDFs

Compare matching PDF pages visually and by extracted text.

The interactive controls load with JavaScript. Instructions and help are available below.

How to use

  1. 1Choose an original and updated PDF, up to twenty pages each.
  2. 2Compare matching page numbers.
  3. 3Inspect highlighted pixel changes, extracted text and the downloadable report.

Frequently asked questions

Is this tool free to use?

Yes. No account or payment is required.

Where is my input processed?

Processing takes place in your browser. Some tools load a local processing engine before they can run. Your input files are not uploaded to our servers.