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PNGPNG

Image to Black & White

Image to Black & White is a free online image tool for changing PNG, JPG, JPEG, WEBP, GIF, BMP, and AVIF files into PNG files. Image to Black & White accepts 6 MIME types, returns image/png, includes 1 setting, and runs in your browser on the device.

Drop .png / .jpg / .jpeg / .webp / .gif / .bmp / .avif file here

or click to choose — or paste an image with ⌘V / Ctrl+V

Options

Key facts

Input
7 formats: PNG, JPG, JPEG, WEBP, GIF, BMP, and AVIF (image/png, image/jpeg, image/webp, image/gif, image/bmp, image/avif)
Output
PNG (image/png)
Runtime
your browser on the device
Settings
1 control: Threshold
File mode
1 input file creates 1 output file
Cost
$0, no account required

How to use Image to Black & White

  1. 1

    Open your PNG, JPG, JPEG, WEBP, GIF, BMP, AVIF file

    Drop your PNG, JPG, JPEG, WEBP, GIF, BMP, AVIF file onto the page, or click to browse and pick one from your device.

  2. 2

    Choose options

    Adjust the conversion options to suit your needs. Defaults work well for most inputs.

  3. 3

    Convert and download

    Click Convert. Your PNG file is ready to download in seconds.

Image to Black & White details

First, Image to Black & White reads PNG, JPG, JPEG, WEBP, GIF, BMP, and AVIF source files and prepares PNG output for the image workflow. Next, The visible controls are Threshold. Additionally, Files and text stay in the browser session.

Drop in any image and download a pure two-tone black & white version (no grays). Each pixel's perceptual brightness is compared to your threshold (0;255, default 128); anything brighter becomes white, anything darker becomes black. Great for high-contrast art, line work, sketches, and screen-print prep. Output format matches the input where possible, defaulting to PNG. Image to Black & White runs locally in your browser.

Common searches

  • black and white image converter
  • image to black and white
  • convert image to bw
  • image threshold filter
  • bw image
  • two tone image

Tools that work with the same formats — most users open one of these next.

Frequently asked

What is Image to Black & White?

Image to Black & White is a free online image tool for changing PNG, JPG, JPEG, WEBP, GIF, BMP, and AVIF files into PNG files. Image to Black & White accepts 6 MIME types, returns image/png, includes 1 setting, and runs in your browser on the device.

What files does Image to Black & White accept and create?

Image to Black & White accepts PNG, JPG, JPEG, WEBP, GIF, BMP, AVIF files (image/png, image/jpeg, image/webp, image/gif, image/bmp, image/avif) and creates PNG files (image/png). The page includes 1 setting: Threshold.

Do my files and data stay private?

Yes. Image to Black & White runs entirely in your browser using your device's CPU. Files and text are never uploaded to our servers, so your data stays private.

How do I use Image to Black & White?

Open Image to Black & White, drop in your PNG, JPG, JPEG, WEBP, GIF, BMP, AVIF file, choose any options, and click Convert. Your browser does the work locally and produces a PNG file you can save right away.

What is the maximum file size for Image to Black & White?

Because Image to Black & White runs in your browser, the maximum size depends on your device's available memory. Most modern phones and laptops handle files up to a few hundred MB without issues.