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OpenCV.js

jSquash WASM (jpeg · png · resize)

pdf-lib · fflate · SortableJS

All processing happens locally in your browser.

📄 Document Scanner

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📷 Take Photo 🖼️ Upload Image

Auto Perspective Fix

Detect & flatten document edges

Auto-Apply Last Mode

Use previous mode on new images

Color / Black & White

Applies to whichever mode is active

📄

Your full image canvas will render here

0 x 0

Max Long Edge

Format

Quality

Paper Size

Orientation

Margin (blank = 0)

Unit

Adjust Document Corners

Drag corners & edges • Loupe shows zoomed view