QOI (image format)
| Filename extension | 
.qoi | 
|---|---|
| Magic number | qoif(4 bytes, ASCII) | 
| Developed by | Dominic Szablewski | 
| Initial release | 24 November 2021 | 
| Latest release | 1.0 5 January 2022 | 
| Type of format | Lossless bitmap image format | 
| Standard | Specification | 
| Open format? | Yes | 
| Free format? | Yes | 
| Website | qoiformat.org | 
The Quite OK Image Format (QOI) is a specification for lossless image compression of 24-bit (8 bits per color RGB) or 32-bit (8 bits per color with 8-bit alpha channel RGBA) color raster (bitmapped) images, invented by Dominic Szablewski and first announced on 24 November 2021.