Compare PDF

Compare two PDFs side by side and highlight all differences

No installation neededWorks directly in your browser — no software to download
No limitsProcess as many files as you need
GDPR compliantFiles deleted after download
100% FreeNo account or subscription needed

How to Compare PDF

  1. Upload the original PDF

    Drag and drop or click to upload your original PDF file on the left side.

  2. Upload the modified PDF

    Upload the modified version of the PDF on the right side for comparison.

  3. Compare the PDFs

    Click "Compare PDFs" to start the pixel-based analysis. Every page is compared side by side.

  4. Download the diff report

    Review the summary showing changed pages and total differences, then download the visual diff report PDF.

Frequently Asked Questions