DitherGlyph
a picture whose dither is the data
Benjamin, a grey cat, rendered as a DitherGlyph
benjamin — this portrait is a live glyph. there is a message inside it.

The picture is the file.

DitherGlyph posterises a photo and hides your data in the arrangement of the dither itself — which speck lands where. Nothing rides on top, nothing frames the edge; the grain you're looking at is the payload. Text, voice, a face, a 3D model, any file. Losslessly, entirely in your browser.

Make your own ↓
1 · Cover picture
max size
capacity: —
2 · Look
2½ · Depth
3 · What to hide
add a cover picture to measure capacity
4 · Weave
↓ Download PNG

Handle with care: the data lives in exact pixels. Share the PNG file itself — AirDrop, upload, attach. A screenshot, a resize, or a pass through a chat app that re-compresses images will destroy the weave.

Unravel a glyph