knowledge/technology/files/media/image/QOI.md

---
obj: format
mime: "image/qoi"
extension: "qoi"
website: https://qoiformat.org
wiki: https://en.wikipedia.org/wiki/QOI_(image_format)
repo: https://github.com/phoboslab/qoi
rev: 2024-03-01
---

# QOI
QOI (Quite OK Image) Format is a lossless image format with file sizes comparable to [PNG](PNG.md) but many times faster encoding/decoding speed.

| Name           | Value       |
| -------------- | ----------- |
| MIME           | `image/qoi` |
| File Extension | `.qoi`      |

## Tools
- [floooh/qoiview](https://github.com/floooh/qoiview) - native QOI viewer
- [pfusik/qoi-fu](https://github.com/pfusik/qoi-fu/releases) - QOI Plugin installer for Windows Explorer, Finder, GNOME, GIMP, Paint.NET and XnView
- [rtexviewer](https://raylibtech.itch.io/rtexviewer) - texture viewer, supports QOI
- [rtexpacker](https://raylibtech.itch.io/rtexpacker) - texture packer, supports QOI
- [DmitriySalnikov/godot_qoi](https://github.com/DmitriySalnikov/godot_qoi) - QOI GDNative Addon for Godot Engine
- [serge-ivamov/QOIql](https://github.com/serge-ivamov/QOIql) - MacOS QuickLook plugin for QOI
- [tobozo/kde-thumbnailer-qoi](https://github.com/tobozo/kde-thumbnailer-qoi) - QOI Thumbnailer for KDE

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

## QOI Support in Other Software
- [SerenityOS](https://github.com/SerenityOS/serenity) - supports decoding QOI system wide through a custom [cpp implementation in LibGfx](https://github.com/SerenityOS/serenity/blob/master/Userland/Libraries/LibGfx/QOILoader.h)
- [Raylib](https://github.com/raysan5/raylib) - supports decoding and encoding QOI textures through its [rtextures module](https://github.com/raysan5/raylib/blob/master/src/rtextures.c)
- [ImageMagick](https://github.com/ImageMagick/ImageMagick) - supports decoding and encoding QOI, since 7.1.0-20
- [ffmpeg](https://ffmpeg.org/) - supports decoding and encoding QOI since 5.1
- [darktable](https://github.com/darktable-org/darktable) - photography workflow application and raw developer, supports decoding since 4.4.0
- [KDE](https://kde.org) - supports decoding and encoding QOI images. Implemented in [KImageFormats](https://invent.kde.org/frameworks/kimagformats)