QOI Converter
Convert QOI files to and from other formats right in your browser. Free, private and with no upload.
Drag and drop your files here
or click to browse local files (large files supported, limited only by browser RAM)
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What is a QOI file?
.qoi (Quite OK Image Format) is a fast, simple lossless image format with compression comparable to PNG and much faster encoding.
| Feature | QOI (Quite OK Image Format) |
|---|---|
| Compression | lossless |
| Transparency | Yes |
| Animation | No |
| Best for | very fast lossless encoding in apps and games |
| Opens in | specialized viewers and some image editors |
QOI is a image format.
Convert QOI to other formats (22)
Convert other formats to QOI (27)
Why convert here
- Your files never leave your device: conversion runs locally with WebAssembly.
- No sign-up, no watermark and no file size limit beyond your browser's memory.
- Batch conversion with parallel workers, plus quality, size and codec settings.
Looking for something else? Browse the full converter directory.