QOI (image format)

Quite OK Image
Filename extension
.qoi
Magic numberqoif (4 bytes, ASCII)
Developed byDominic Szablewski
Initial release24 November 2021
Latest release
1.0
5 January 2022; 2 years ago (2022-01-05)
Type of formatLossless bitmap image format
StandardSpecification
Open format?Yes
Free format?Yes
Websiteqoiformat.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.[1]

  1. ^ "Lossless Image Compression in O(n) Time". Phoboslab.org. 2021-11-24. Archived from the original on 2022-05-08. Retrieved May 1, 2022.