Document Scanner
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Turn photographed pages into a PDF. Adjust corners and page proportions, correct perspective and review the background before export.
Preparing your tool…
A visual example
From a photographed page to a straight scan
The four page corners determine which part of the photo becomes the document.
- Document photoCheck four real corners
Identify the page
For a photographed A4 sheet, correct all four proposed corners and choose A4 proportions.
- Confirmed A4 page
Page heading
Original visible text
Faint marks: check against source
Inspect the corrected page
Review orientation, faint writing and page edges. Confirm each preview before arranging the PDF.
Straightening and contrast use existing pixels; they cannot recover missing letters.
Illustrative example. Schematic workflow, not a scan preview. The exported PDF contains images, without searchable OCR text.
How to use it
- Add PNG, JPEG or WebP document photos, use the slanted example, or open the camera picker on a supported phone.
- Check the proposed four corners and correct them by dragging, keyboard arrows or numeric coordinates. Choose known page proportions when the estimate looks stretched.
- Adjust color, grayscale or black-and-white mode, contrast, shadow reduction and rotation. Compare each corrected preview with its original and confirm it.
- 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.