Document review app

Compare two PDFs

Upload two PDFs to mark up page-level visual changes. Files are processed in your browser.

Choose two PDF files to begin.
Results will appear here after comparison.

How to use

  1. Select the first document under PDF 1.
  2. Select the second document under PDF 2.
  3. Click Compare PDFs to mark the visual changes in red.
  4. Review each page on screen, then click Download marked-up PDF to save the marked-up result.