ASCII dots (a dot-matrix or halftone look) render an image as a grid of dots mapped to brightness instead of as text characters. The result reads like a newspaper halftone or screen print made of dots rather than glyphs.

/TUTORIAL · ASCII DOTS

How to Convert an Image to ASCII Dots

By Kailash · Updated June 9, 2026 · 3 min read

The short answer

Open a free browser-based ASCII generator, drop in your image, and switch the render mode to Dots. Instead of letters, the tool draws a filled circle in each cell and scales it by brightness — a halftone, dot-matrix look. Tune the dot size and contrast, then export as PNG or GIF. It takes under a minute, costs nothing, and your image never leaves your device.

ASCII "dots" swap the usual text characters for a grid of dots mapped to the image's brightness — so the picture reads like a newspaper halftone or a screen print made of dots rather than glyphs. It's one of the cleanest, most graphic looks you can pull from a photo, and you don't need Photoshop or any plugins to do it. This guide shows exactly how, using the real controls in the editor, and how to keep it crisp rather than muddy.

An image rendered in Dots mode — a halftone, dot-matrix look made from a grid of dots mapped to brightness — An image rendered in Dots mode — a grid of dots mapped to brightness, for a halftone print effect.

What you'll need

Just a browser and an image. We'll use ASCII Magic — it's free, needs no signup, and runs entirely on your device (nothing is uploaded). Images with clear contrast and a recognisable subject convert best; flat, low-contrast pictures give a more even, texture-like field of dots.

Convert an image to ASCII dots in 5 steps

Open the editor and add your image

Open the ASCII Magic editor and drop your image onto the canvas — or click to browse, paste from the clipboard, or hit Inspire Me for a sample. It takes video too. Everything is processed locally in the browser, so your file never leaves your device.

Set the Style to Dots

In the Characters panel on the right, open the Style dropdown and choose Dots. The image instantly re-renders as a grid of dots mapped to brightness — a live halftone, dot-matrix look that updates as you tweak everything below.

Set the dot scale with Font Size

Font Size is what controls how big the dots are. A smaller Font Size packs in more, finer dots for a delicate, newspaper-style halftone; a larger one gives bigger, bolder dots for a graphic poster look. Two toggles fine-tune it:

Invert Mapping — flips which tones get the heavier dots (great for dark-on-light vs light-on-dark).
Dot Grid Overlay — adds a subtle printed-grid feel on top of the dots.

Shape the tone with the Intensity sliders

The Intensity section is where the halftone snaps into focus:

Contrast and Brightness — set the tonal range so dots run cleanly from full to nearly empty.
Coverage — how much of the image fills with dots versus stays open.
Density and Edge Emphasis — how tightly the dots cluster and how crisp the outlines stay.

Pick a background and export

In Background, choose None (Transparent) for a clean PNG you can drop anywhere — or Solid Black, Blurred Image or Original Image. Set Resolution from 1× to 4×, then hit Export as PNG or JPG (or GIF / MP4 if you've turned on animation or loaded a video). No watermark, ever. Big enough for a poster or print.

Try it now — open the editor →

Tips for dot art that actually looks good

Start high-contrast. A bright subject on a dark background (or vice versa) gives the dots a clear range to work with — flat lighting flattens the effect.
Crop tight. Dots have limited resolution, so fill the frame with your subject rather than spending dots on empty background.
Pick Font Size for the medium. Fine dots for screen and web; bigger, bolder dots if it's going to print or onto a shirt.
Add a retro screen look. The Post-Processing section has Scan Lines, Bloom, CRT Curvature and Glitch — a touch of each turns flat dots into a convincing old-monitor or risograph print.

Is ASCII dots the same as a halftone effect?

Closely related. A traditional halftone simulates continuous tone with a grid of printer dots; Dots mode does the same thing live in your browser, with the Font Size, Coverage, Density and Contrast controls standing in for the press. If you've ever wanted the comic-book / newsprint / risograph look without a design app, this is the fastest route to it.

Dots is one of 14 styles

Dots is the halftone look, but the same editor turns your image into classic ASCII characters, pixel art, voxel cubes, a photo mosaic, glitch art and more — browse all 14 styles here. They share the same controls, so the contrast and sizing you learned here carry straight over. Want motion? You can even turn a video into dots, frame by frame.

Frequently asked questions

What are ASCII dots?

ASCII dots (a dot-matrix or halftone look) render an image as a grid of dots mapped to brightness instead of as text characters — so the picture reads like a newspaper halftone or screen print made of dots rather than glyphs.

How do I convert an image to ASCII dots for free?

Open ASCII Magic in your browser, add your image, and set the Style dropdown to Dots. Adjust Font Size (the dot scale) plus Contrast, Coverage and Density, then export as PNG, JPG, GIF or MP4. It's free, runs locally on your device, and adds no watermark.

How do I control the dot size?

Dot size is set by the Font Size slider in the Characters panel — a smaller Font Size makes more, finer dots; a larger one gives bigger, bolder dots. Coverage and Density then control how much of the image fills with dots.

Can I make the dots a transparent PNG?

Yes. Set the Background mode to None (Transparent) and export a PNG — you get the dot pattern with no backdrop, ready to drop onto a poster, sticker or website.

What resolution can I export the dot art at?

Choose a Resolution from 1× to 4× before exporting. A 1080p image at 4× produces a roughly 4K file — large enough for posters and screen-print artwork.