Threshold image
Convert an image to pure black and white.
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Accepted files: .png,.jpg,.jpeg,.webp. Choose one file. Up to 20 MiB in total.
Luminance threshold 0 to 255; preserve transparency; PNG output has only black or white RGB pixels. Change the input or settings to update your result. Results update as you type. Up to 1,000,000 characters.
Your result
How to use Threshold image
- Choose a supported file using the drop area or file picker.
- Review the clearly labeled settings. The preview updates automatically.
- Compare the result with your original, then download it. Keep the original for further edits.
Useful next steps
What to expect
Convert an image to pure black and white. Luminance threshold 0 to 255; preserve transparency; PNG output has only black or white RGB pixels.