BrowserTools

Image to ASCII Art

Turn photos into text-based ASCII art

By Guga — BrowserTools maintainer, Tbilisi, Georgia Updated 2026-09-06
Free Private No uploads
What is Image to ASCII Art?

Every pixel's luminance is mapped onto a character whose glyph has roughly that visual weight, and the result is a block of monospaced text you can copy anywhere. Three controls shape it. Width sets how many characters across the result runs, from 40 to 200, and the number of rows follows from the image's aspect ratio halved — a correction for the fact that text glyphs are roughly twice as tall as they are wide. Contrast decides how aggressively mid-tones are pushed apart, which is usually the difference between a muddy smudge and a readable portrait. Four character sets are available, from a clean ten-step ramp through a much denser one to block-drawing characters. Colour is not preserved; this is a luminance rendering, and it looks best on high-contrast subjects with clear silhouettes.

Convert any image into ASCII art made of text characters, with controls for width, contrast and character set. Copy the result as plain text — a classic effect that never gets old.

Private Image to ASCII Art In Your Browser

Image to ASCII Art is processed locally with client-side JavaScript. Your files never touch a server, and there is no queue to wait in.

Step-by-Step

How to use Image to ASCII Art

1

Supply a picture via the Drop an image to convert to ASCII art target, which takes any image format.

2

Set the width slider between 40 and 200 characters, and the contrast slider between 32 and 256.

3

Choose a character set from the dropdown — Standard, Detailed, Blocks, or Minimal.

4

Drop the image again to re-render with the new settings, then press the copy button to take the text with you.

Key Capabilities
  • Output width is adjustable from 40 to 200 characters, with row count derived from the source aspect ratio
  • A contrast control from 32 to 256 separates mid-tones so shapes read clearly
  • Four character sets: a ten-step Standard ramp, a dense Detailed ramp, block-drawing Blocks, and a sparse Minimal set
  • One-click copy of the finished art as plain text
Common Use Cases
  • A developer printing a project banner or a commit message header made of text characters.
  • A teacher demonstrating how luminance maps to character density in an introductory graphics lesson.
  • A hobbyist decorating a plain-text blog post or a terminal welcome message with a rendered portrait.
Clear Answers

Frequently Asked Questions

Do I need to re-drop the file after changing a slider?
Yes. The settings apply at the moment the image is read, so adjust the sliders first and then drop the file again to re-render. Dropping the same image a second time is the intended way to compare settings.
Why is the output half as tall as it should be?
Because monospaced text glyphs are roughly twice as tall as they are wide. Without the correction, a rendered image looks stretched vertically. The row count is halved so the proportions come out right in a fixed-width font.
Why did my photo come out as a grey blur?
Most photographs spend most of their pixels in a narrow mid-tone band, and the character ramp has fewer steps there than you would like. Raise the contrast control to push those tones apart, or pick the Detailed set, which has many more glyphs to work with.
Does the image get uploaded?
No. Pixels are read from a local file into a canvas in the tab, and no network request is made.

Related Guides

View all guides →
textASCII Art: How Text Pictures Are MadeASCII art is a picture assembled from ordinary printable characters, with each glyph's weight standing in for a pixel's brightness. The style grew out of typewriters and bulletin boards and never left, because plain text renders everywhere. How the mapping works and which controls shape it is below; to draw a banner from a word rather than an image, the ASCII Text Generator on this site renders it in a classic font.