Windows
Use the msi installer for Windows Explorer/GIMP/Paint.NET/XnView MP/Classic plugins and a command-line converter png2qoi.
macOS
Open the dmg file.
Finder thumbnails and preview
Drag QOI.qlgenerator to QuickLook. Run qlmanage -r from the Terminal. Log out and in.
GIMP plugin
Drag file-qoi to GIMP.
Command-line converter
Run from the Terminal:
sudo mkdir -p /usr/local/bin
Then drag png2qoi to bin.
Linux
The deb files are Debian/Ubuntu packages.
The rpm files are Fedora packages.
GNOME
qoi-fu-gdk-pixbuf* is a GNOME plugin. Install to enable thumbnails in GNOME Files (aka Nautilus) and read/write support in Image Viewer (aka Eye of GNOME).
To associate *.qoi with Image Viewer, right-click a QOI file, Open With Other Application, View All Applications, select Image Viewer.
GIMP
Install the relevant qoi-fu-gimp* package.
XnView MP
Install qoi-fu-xnview*.deb.
Command-line converter
Install the relevant qoi-fu-2png* package.
Changes since 2.0.0
- Implementation language rebranded to Fusion.
- Improved the compression ratio for some images. (#13)
- Removed the Imagine plugin. Imagine has built-in QOI support since 1.3.9.
- Added the TypeScript and D transpilations.