Pixels brighter than it become white, darker become black — no grays.

Good for stamps or logos?

Yes, a clean threshold makes crisp monochrome graphics.

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Threshold to Pure B&W

Convert your photo to pure black and white at an adjustable cutoff. Local, free, no signup.

No signup100% in your browserFree forever

Drop an image here, or click to choosePNG, JPG, WebP or GIF — processed in your browser, never uploaded

Cutoff (0-255)

What is a threshold?: Pixels brighter than it become white, darker become black — no grays.
Good for stamps or logos?: Yes, a clean threshold makes crisp monochrome graphics.