Remove PDF Background Online Free
Remove or clean up the background color from PDF pages.
Remove PDF Background Online Free
PDF Background Remover is a free online tool that cleans up the background of your PDF pages, replacing colored, grey, or off-white backgrounds with a clean white background. Perfect for scanned documents with paper texture, PDFs with colored design backgrounds, or any document where a clean white background is needed for better readability or printing. All processing runs in your browser — no file upload required.
Why Remove PDF Backgrounds?
Scanned documents often have backgrounds that are not pure white. Aged paper appears yellow or grey when scanned. Some scanners pick up paper texture or slight shadows. Documents scanned under poor lighting conditions may have uneven grey backgrounds. PDFs created from templates with colored backgrounds may need cleaning up before printing on plain white paper or submitting to document portals that expect clean white backgrounds.
A clean white background also reduces file size when the PDF is compressed, improves OCR accuracy on scanned documents, makes the document look more professional, and ensures consistent appearance when printing on white paper.
How the Background Removal Works
The tool renders each PDF page as a canvas image, applies a background color detection and replacement algorithm to identify and neutralize light background colors, and re-embeds the cleaned image back into the PDF. The result is a PDF with clean white page backgrounds while preserving all text, images, and other content.
Frequently Asked Questions
Will it affect my text or images?
The algorithm targets background areas — large regions of uniform light color. Text and embedded images with distinct colors are preserved.
Does it work on intentionally colored design PDFs?
Yes, but use with care — design PDFs with meaningful colored backgrounds will have those backgrounds removed too.