Knowledge Base
QOI
2 min read
QOI (Quite OK Image) Format is a lossless image format with file sizes comparable to PNG but many times faster encoding/decoding speed.

NameValue
MIMEimage/qoi
File Extension.qoi

Tools
• floooh/qoiview - native QOI viewer
• pfusik/qoi-fu - QOI Plugin installer for Windows Explorer, Finder, GNOME, GIMP, Paint.NET and XnView
• rtexviewer - texture viewer, supports QOI
• rtexpacker - texture packer, supports QOI
• DmitriySalnikov/godot_qoi - QOI GDNative Addon for Godot Engine
• serge-ivamov/QOIql - MacOS QuickLook plugin for QOI
• tobozo/kde-thumbnailer-qoi - QOI Thumbnailer for KDE

Implementations & Bindings of QOI
• kodonnell/qoi - Python
• JaffaKetchup/dqoi - Dart, with Flutter support
• Cr4xy/lua-qoi - Lua
• superzazu/SDL_QOI - C, SDL2 bindings
• MasterQ32/zig-qoi - Zig
• NUlliiON/QoiSharp - C#
• aldanor/qoi-rust - Rust
• zakarumych/rapid-qoi - Rust
• takeyourhatoff/qoi - Go
• xfmoulet/qoi - Go
• erratique.ch/qoic - OCaml
• arian/go-qoi - Go
• kchapelier/qoijs - JavaScript
• shadowMitia/libqoi - C+
• musabkilic/qoi-decoder - Python
• mathpn/py-qoi - Python
• shraiwi/mini-qoi - C, streaming decoder
• 10maurycy10/libqoi/ - Rust

QOI Support in Other Software
• SerenityOS - supports decoding QOI system wide through a custom cpp implementation in LibGfx
• Raylib - supports decoding and encoding QOI textures through its rtextures module
• ImageMagick - supports decoding and encoding QOI, since 7.1.0-20
• ffmpeg - supports decoding and encoding QOI since 5.1
• darktable - photography workflow application and raw developer, supports decoding since 4.4.0
• KDE - supports decoding and encoding QOI images. Implemented in KImageFormats