QOI is a simple lossless method for storing 24bit images. The compression level is not great compared to the other methods listed on this page but it has two major advantages, QOI is simple to implement and is very very fast to decode. Its main use would be anywhere an uncompressed bitmap is being currently used, suggested uses have been in games for streaming textures.
✔️ Easy to implement so great for personal projects.
✔️ Very fast encoding and decoding compared to PNG.
❌ Compression is not as good as PNG.
Other image formats:
GIF |
JPEG |
JPEG XL |
PNG |
QOI |
WEBP
Comparison
Updated (20/06/2026)