ScanDocs App

Straighten crooked photos with a 4-point perspective crop, then switch to black & white and adjust light — all in the browser. Nothing uploads anywhere; the image never leaves this device.

Click to upload or drag & drop a photo

Any image format · processed entirely on this device

Drag each of the 4 dots onto a corner of the document — they move completely independently. "Apply crop" straightens it into a clean rectangle.
Settings

Black & white

Convert to grayscale

Light

Brightness 0
Contrast 0
Deblur (for heavy blur) 0
Sharpen (reduce blur) 0
Text Clarity (fix text) 0

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