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Convertto

Image to ASCII Art Converter

Turn any picture into ASCII art with adjustable width and character sets.

To convert an image to ASCII art, add a picture and set the output width in characters. Each cell is sampled for brightness and mapped onto a character ramp, with the aspect ratio corrected because text characters are about twice as tall as they are wide.

Runs in your browser
Privacy
Runs entirely in your browser — nothing is uploaded
Cost
Free, unlimited, no sign-up

Frequently asked questions

What makes a good source image for ASCII art?

High contrast and a clear subject. ASCII has perhaps ten distinguishable brightness levels against an image's 256, so subtle gradients disappear — a silhouette works far better than a detailed photograph.

How to use the image to ascii art converter

  1. 1Select your image — the file stays on your device and is never uploaded.
  2. 2Set the output width.
  3. 3Choose the character set.
  4. 4Turn "Invert (for dark backgrounds)" on or off as needed.
  5. 5Press Run, then download the result when it is ready.

Embed this tool

Put the working image to ascii art converter on your own site. It runs in your visitors' browsers exactly as it does here — free, no account, nothing uploaded.

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