Edge Scanner Online Free

Find and adjust document edges in a photo for a cleaner scan. Review the detected boundary before exporting the selected page area.

Local browser processing No registration

Pick an image to see size and export details.

No image selected Choose or drag an image, then process it to preview the result.

Supported inputs, outputs, and browsers

Supported input
Device camera, JPG/JPEG, PNG, WebP, SVG
Output
Processed image, PDF where the selected scanner workflow provides it
Browser compatibility
Use a current version of Chrome, Edge, Firefox, or Safari with JavaScript, File API, Canvas, and downloads enabled. Available memory and browser format support can limit very large files.

How to use Edge Detection Scanner

  1. 1.Place the paper on a contrasting background and correct the corners when shadows are mistaken for page edges.
  2. 2.Run the operation with the displayed controls, then open and review the result before sharing it.

Limitations

  • Automatic edge detection may fail on low-contrast paper, curled pages, or cluttered backgrounds.

Privacy and processing

Local browser processing

The input content never leaves your device. Processing happens inside your browser, with no file or text upload to an external processing server. No registration is required, so the content-processing step is private to your device.

Frequently asked questions

What should I know before using Edge Detection Scanner?

Automatic edge detection may fail on low-contrast paper, curled pages, or cluttered backgrounds.

Where is my input processed?

The input content never leaves your device. Processing happens inside your browser, with no file or text upload to an external processing server. No registration is required, so the content-processing step is private to your device.