Adaptive Threshold

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Binarize your image using local neighborhood window calculations (mean, gaussian, or median) to adapt to varying illumination and shadows.

How to use Adaptive Threshold

  1. Upload your image using drag & drop or click to browse.
  2. Adjust the settings using the controls above.
  3. See the result instantly — processing happens in your browser.
  4. Download your processed image as a PNG file.

About Adaptive Threshold

Binarize your image using local neighborhood window calculations (mean, gaussian, or median) to adapt to varying illumination and shadows. This tool is part of ImageToolbox's collection of free online image tools. It runs entirely in your browser — your images are never uploaded to our servers.