Whiten scanned PDFs, remove gray or yellow scan noise and shadows, boost text sharpness and save printer ink. Everything runs in your browser. Nothing is uploaded.
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Tip: tap a file's thumbnail to preview that file. The preview updates when you change a setting.
Cleaning settings (applied to all files)
Finds the paper color on each page and cleans it for you.
50
Medium. Good for typical office and home scans.
Only dull gray or beige noise turns white. Colored ink, stamps and highlighter marks stay.
Darkens text a little so pages stay crisp after whitening.
Great for phone photos of documents. Also removes a yellow tint. A bit slower.
Cleaned pages are saved as images, so text in the new PDF cannot be selected or searched.
One or more files are large. Cleaning may take longer on this device. Choose "Standard" sharpness to speed it up.
