photo
Dither a photo
Pick a photo and get it back dithered in DitherCharts' patterns and palettes. It all runs in your browser, so your photo is never uploaded.
Algorithm
Floyd–Steinberg
Palette
Ink on paper
Your dithered photo shows up here. Nothing leaves your browser.
Questions
Is it free?
Yes. The photo ditherer is free to use, with no account and no watermark.
Are my photos uploaded?
No. Dithering runs entirely in your browser, in a background worker, so your photo never leaves your device.
Which algorithms and palettes are there?
Algorithms: Floyd–Steinberg, Atkinson, Bayer 2×2, Bayer 4×4, Bayer 8×8, Threshold. Palettes: Ink on paper, 1-bit black/white, Phosphor green, Phosphor amber, 4-tone gray.
What size is the download?
A PNG at the photo's full resolution by default. On phones, tablets and low-memory devices the long edge is capped at 4096px to stay within browser memory limits.