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Scan Cleanup

Thresholds a scanned PDF to bilevel, despeckles, crops to the ink and can drop blank pages. It does not OCR or deskew.

🔒 Runs entirely in your browserscancleanupdeskewpreprocess

The scan is cleaned in this tab. Nothing is uploaded.

Drop a scanned PDF

Works on image-only scans: threshold, despeckle and narrow the page to the content.

Feed it from

Next

These accept what this tool produces, so the result can go straight in.