Image Contour Extraction Tool

How to Use

Upload an image (file selection or drag & drop)
Adjust the contour detection sensitivity
Adjust the contour thickness (if needed)
Check the preview
Download in your preferred format
- For transparent background: PNG (Transparent)
- For background color: PNG (With background color) or JPEG (With background color)
No images are uploaded to any server. All processing is done in your browser.

Or drag & drop an image here

Contour detection sensitivity: 100

Contour thickness: 1px

Contour color:

Extract outer contour only

Fill inside of contours

Fill color:

↑ Preview (transparent areas shown with checkerboard pattern)

Download

Background color:

PNG (Transparent) preserves transparency information.

PNG/JPEG (With background color) fills transparent areas with the selected background color.