Convert AVIF to QOI Online Free
Convert AVIF images to QOI format instantly in your browser. QOI's fast decode path makes it ideal for game engines and real-time applications.
By ChangeThisFile Team · Last updated: March 2026
ChangeThisFile converts AVIF to QOI instantly in your browser using the Canvas API. No file upload needed — your image stays on your device. Drop your AVIF and download the result in seconds. Free and completely private.
Convert AVIF to QOI
Drop your AVIF file here to convert it instantly
Drag & drop your .avif file here, or click to browse
Convert to QOI instantly
AVIF vs QOI: Format Comparison
Key differences between the two formats
| Feature | AVIF | QOI |
|---|---|---|
| Compression | Lossy or lossless (AV1 codec) | Lossless (simple run-length encoding) |
| File size | Very small — best-in-class compression | Larger — speed over compression |
| Encoding speed | Very slow — AV1 is CPU-intensive | Extremely fast — trivial algorithm |
| Decoding speed | Moderate — AV1 decode overhead | Very fast — minimal computation |
| Browser support | Good in modern browsers | No native browser support |
| HDR support | Yes — 10-bit and 12-bit | No — 8-bit per channel only |
| Best for | Web delivery and photography | Game assets and real-time rendering |
When to Convert
Common scenarios where this conversion is useful
Import web images into game engines
AVIF images downloaded from the web need conversion before use in game engines. QOI is natively supported in many game frameworks (Godot, Raylib) and loads much faster than AVIF at runtime.
Embedded system display
Devices with limited CPUs cannot decode AVIF's complex AV1 codec. Converting to QOI gives a format decodable with a trivial algorithm, suitable for microcontrollers and IoT displays.
Real-time texture streaming
Applications that stream textures at runtime need fast decode. QOI's decode speed is near-instant compared to AVIF, making it better suited for live texture replacement in 3D applications.
Offline image processing pipeline
When batch-processing AVIF images through multiple steps, converting to QOI as an intermediate format eliminates re-encoding overhead and keeps quality bit-perfect through the pipeline.
How to Convert AVIF to QOI
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1
Select your AVIF file
Drag and drop your AVIF file onto the converter, or click browse to choose from your files.
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2
Instant conversion
The browser converts your AVIF to QOI locally using the Canvas API. No upload needed and no data leaves your device.
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3
Download the QOI
Save your converted QOI file. Ready to use immediately.
Frequently Asked Questions
AVIF is slow to decode because of its AV1 codec. QOI is extremely fast to decode, making it better for game engines and real-time applications where loading speed matters more than file size.
Yes, significantly. AVIF achieves exceptional compression using the AV1 codec. QOI stores pixel data with only light compression, so files can be 5-10x larger than AVIF.
No. Conversion runs entirely in your browser using the Canvas API. Your AVIF file never leaves your device.
No. QOI is an 8-bit format (24-bit RGB or 32-bit RGBA). AVIF's 10-bit and 12-bit HDR color will be tone-mapped to 8-bit during conversion by the browser's Canvas API.
QOI (Quite OK Image) is a fast lossless image format released in 2021. The specification is tiny — under 300 lines of C — making it easy to implement and extremely fast to decode.
Yes. QOI supports RGBA. If your AVIF has an alpha transparency layer, it will be preserved in the QOI output.
GIMP, ImageMagick, many game engines including Godot and Raylib, and libraries in Python, Rust, Go, C, and other languages. Standard OS image viewers do not support QOI.
No server limit — everything is local in your browser. The practical limit is your browser's RAM. Modern browsers can handle typical AVIF files (even high-resolution ones) without issue.
If your AVIF is lossless, the decode is bit-perfect and the QOI output will be a lossless copy of the original pixels. Lossy AVIF will preserve the decoded pixels (including any AV1 compression artifacts) losslessly in QOI.
Chrome 85+, Firefox 93+, and Safari 16+ support AVIF decoding. The Canvas API then captures the decoded pixels for QOI encoding. Older browsers may not display AVIF and therefore cannot convert it.
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