Threshold Image

Convert images to black and white with adjustable threshold. Max file size: 10MB

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Drag & drop an image here

or click to browse

What is the Threshold Tool?

The threshold tool converts color or grayscale images into pure black and white images. Pixels lighter than the threshold become white, and darker pixels become black. This is useful for creating clean, high-contrast images for printing, OCR, or artistic effects.

How to Use

  1. Upload an image by dragging it or clicking the upload area
  2. Adjust the threshold slider (0-255) to control the cutoff point
  3. Preview updates in real-time as you adjust
  4. Lower values keep more detail, higher values create more contrast
  5. Click "Download" to save your thresholded image
🔒 Images are processed entirely in your browser. Nothing is uploaded to any server.