contrast Black & White Photo Converter

Convert a photo to pure black and white.

Every pixel becomes pure black or pure white based on a threshold you control. Free, instant, no signup.

upload_file Upload Image
128

tune

Adjustable Threshold

Unlike a fixed black-and-white filter, you control exactly where the cutoff between black and white falls.

How to Use

  1. 1

    Choose your photo. Click "Choose File" and pick an image from your device.

  2. 2

    Drag the threshold slider until the preview split you want between black and white feels right.

  3. 3

    Click Convert. The tool processes it instantly, no waiting.

  4. 4

    Download the result. Click the download link, no email or account needed.

Frequently Asked Questions

Grayscale keeps every shade of gray. This tool only outputs pure black or pure white for each pixel, based on a brightness threshold you control.
Any pixel brighter than the threshold becomes white, and anything darker becomes black. Raise it for a darker result, lower it for a lighter one.