VitaliWeb Tools

Document Scanner

Straighten photographed pages, correct the background and assemble a PDF.

Processed on your deviceFree · No account needed

PNG, JPEG, WebP · 10 MiB / 20 MP / 8,192 px per side · 10 pages / 40 MiB total

The device chooses whether to open its camera or photo picker. HEIC and animated images are not supported.

How to use it

  1. Add PNG, JPEG or WebP document photos, use the slanted example, or open the camera picker on a supported phone.
  2. Check the proposed four corners and correct them by dragging, keyboard arrows or numeric coordinates. Choose known page proportions when the estimate looks stretched.
  3. Adjust color, grayscale or black-and-white mode, contrast, shadow reduction and rotation. Compare each corrected preview with its original and confirm it.
  4. Arrange or remove pages, choose the PDF paper size and export the confirmed image pages as a PDF.

The example contains a tilted, shadowed document. Choosing its four real corners and A4 proportions produces a straight page; 90° rotation changes the corrected orientation before export.

Details & limits

Up to 10 pages, 10 MiB per image and 40 MiB combined. 20 MP input; 4 MP output. Confirm page corners and proportions before export.

Can it recover missing text or make a searchable scan?

No. Corrections change existing pixels; they do not generate letters or perform OCR. The PDF contains images without searchable text. Automatic corners and proportions are suggestions. Black-and-white conversion can remove faint marks; compare with the original. Up to 10 pages, 10 MiB/20 MP per image and 40 MiB combined; corrected pages are at most 4 MP/2,560 px per side. The phone decides whether the camera picker opens a camera or existing photos.