Original
A preview appears here after you choose an image.
Image / Local tool
Image Outline Maker
Threshold Sobel edges into clean dark outlines on a white background for diagrams and coloring references. Processing stays in this browser, the original file is never uploaded, and exported pixels contain no source metadata.
Choose images to begin.
Download resultDownload all results
Analysis report
◎ Images are never uploaded; Canvas re-encodes exports without original metadata.
Result
A preview appears here after you choose an image.
How to useHow to use Image Outline Maker ⌄
Threshold Sobel edges into clean dark outlines on a white background for diagrams and coloring references. Processing stays in this browser, the original file is never uploaded, and exported pixels contain no source metadata.
- 1
Paste content, enter parameters or choose the files you need in “Choose an image”.
- 2
Choose “Outline threshold” for the job. Processing runs in this browser.
- 3
Review the result under “Result”, then copy or download it after checking the output.
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