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.