Remove Blank Pages from PDF Clean Up Your Document

Each page is rendered at a low resolution (20% scale) and its pixels are sampled. A page is considered blank if fewer than 5 sampled pixels contain non-white colour. This catches truly blank pages as well as pages with very light artefacts.

The detector uses a strict threshold — only pages that are almost entirely white are flagged. You can review the list of detected blank pages before removing anything, and uncheck any page you want to keep.

Yes. After scanning, you see a checklist of all detected blank pages with their page numbers. Each one is checked by default — uncheck any you want to keep before clicking Remove.

You will see a confirmation card saying no blank pages were detected. No changes are made to the PDF.

Yes — scanned PDFs are images, so the pixel-sampling approach works well. However, a scanned page with faint background texture may not be detected as blank even if it appears nearly white.

No. Everything runs in your browser — blank page detection uses pdfjs-dist (WebAssembly-powered) and page removal uses @cantoo/pdf-lib, both executed locally. Your file never leaves your device.