ASCII Art Generator

Convert images to ASCII art or create ASCII text art with adjustable character density and width.

Tested tool guide Tested browser tools Checked August 16, 2026

What ASCII Art Generator does and how it behaves

This tool works in two modes: turn an uploaded photo into a grid of text characters whose pattern approximates its light and dark areas, or render typed text as a large block-letter banner built from ASCII characters. For images, a width setting controls how many character columns are generated and a density setting controls how many distinct characters the light-to-dark ramp uses. The most common surprise: the result only looks right in a true monospace font, so pasting it into an email client, word processor, or proportional-font chat window misaligns every row.

How the result is produced

Image sampling and brightness mapping

The source image is downsampled to a grid matching your chosen character width. Each cell's average brightness is computed and mapped onto an ordered ramp of characters, from sparse marks like a period or space for light areas to dense marks like @ or # for dark areas. Because monospace character cells are taller than they are wide, sampling the same number of rows as columns would stretch the image vertically when rendered as text, so the row count is reduced relative to the column count to compensate.

Text-to-block-letter rendering

Typed text is rendered letter by letter using a fixed-width character font, where each letter becomes a small multi-row block of ASCII characters rather than a single glyph, and letters are placed side by side to build a banner. The output is plain text throughout, so correct display depends entirely on viewing or pasting it in a monospace font.

Good uses

converting a headshot or logo photo into a plain-text banner for a terminal welcome message or a README file
making a large block-letter ASCII header for a CLI tool's startup screen or a forum or BBS-style post
creating retro computer-art images for a game splash screen or social post using only text characters

Limits and checks

density and width settings trade recognizability against size - too narrow a width or too short a character ramp can turn a photo into an unrecognizable block of noise
the output is plain, uncolored text; any color, shading nuance, or transparency in the source image is discarded during the brightness mapping
the art only lines up correctly in a true monospace font - pasting into a proportional-font email client, word processor, or some chat apps shifts characters out of alignment

Common questions

Will the ASCII version keep the colors from my original photo?

No. The conversion maps each area's brightness to a plain text character, so color is discarded entirely. The output is plain monospace text; if you need color, you would need a tool that specifically outputs colored ANSI or HTML-styled characters.

Why does my converted image look squished or stretched compared to the original?

This usually comes from the width setting relative to the source image's proportions, or from viewing the output in a non-monospace font. Try a different width value and confirm the output is displayed or pasted in a monospace font before judging the proportions.

References and verification

The behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.