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PDF / COMPARE PDFS

Spot the visible changes.

Compare two PDFs page by page and export a visual difference report.

Compare PDFsOn your device

60 MB total · up to 20 images or 10 PDFs · 300 PDF pages. Rendering/export: up to 80 pages.

    Your originals stay untouched.

    Your settings

    Choose exactly two PDFs. Exports a visual difference report, comparing page positions at 72 DPI. Red marks changed pixels; layout shifts can mark whole paragraphs.

    Free. No account. No watermark.

    THREE SIMPLE STEPS

    How to use Compare PDFs

    1. Choose your source files (exactly two PDFs).
    2. Adjust the settings and check the preview.
    3. Process locally, inspect the result and download your copy.

    GOOD TO KNOW

    Compares matching page numbers without semantic alignment. Changed pixels are marked red. It is not a proof that documents are identical.

    Up to 25 MB per file and 60 MB per batch. This limit protects browser memory, especially on phones.

    A couple of useful answers.

    Do I need an account?

    No. Processing is free and local to your browser.

    What should I check?

    Compares matching page numbers without semantic alignment. Changed pixels are marked red. It is not a proof that documents are identical.

    Are my files uploaded?

    No. These tools process file contents in your browser. Files remain available in this tab until you clear them or close the page. Download a copy before leaving.