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Mofumi PDF

Remove Blank Pages

Detect and delete empty pages automatically — ideal for scanned documents.

100% Private — files never leave your device
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About this tool

Remove Blank Pages scans every page and deletes the ones that are empty. Each page is rendered small and the share of non-white pixels is measured; pages below your threshold are removed. A 3% border is ignored so scanner edges and punch holes don't count.

Raise the threshold or lower the white level for noisy scans with specks of dust; keep “Pages with text are never blank” on to protect pages that contain even a little real text.

The report lists the ink coverage of every page and which ones were removed, so you can check the result. Processing happens in your browser.

Engines: pdfjs · canvas · pdf-lib

How to use

  1. 1

    Open your PDF.

  2. 2

    Adjust the sensitivity if needed.

  3. 3

    Click “Remove blank pages” and download.

Use cases

  • Duplex scans

    Remove the blank backs of single-sided originals scanned in duplex.

  • Print-ready files

    Drop accidental empty pages from exported documents.

  • Scan clean-up workflows

    Combine with deskew and compress for tidy archives.

Frequently asked questions

A page with a faint mark was removed.

Lower the threshold (for example to 0.1%) or raise the white level.

Blank scanned pages were kept.

Scanner noise can look like ink. Raise the threshold to 1–2%.

Can I see what was removed?

Yes, the report shows every page's coverage and result.

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