QOI converter
Convert QOI files to 13 other formats, or turn 16 other formats into QOI. Everything runs in your browser — drop a file in and pick where it should end up.
Drop your QOI files here
or browse your device · paste with Ctrl+V
Accepts .qoi. Choose any output format from the menu on each row.
Your files never leave this device — there is no upload and no server to delete them from.
QOI
Quite OK Image FormatA lossless format whose entire specification fits on one page, encoding and decoding many times faster than PNG for a small size penalty. A favourite in game engines and hobby projects.
- Developed by
- Dominic Szablewski
- Released
- 2021
- Extension
- .qoi
- MIME type
- image/qoi
- Compression
- Lossless
- Specification
- Open
- Readable directly in your browser.
- Can be written directly in your browser.
- 13 outgoing and 16 incoming conversions available.
- 01
Add QOI files
Drop them on the box above. Batches are fine — each file gets its own row and its own settings.
- 02
Pick an output format
The menu on each row lists every format this file can become, grouped by category and searchable.
- 03
Convert and save
Everything happens locally. Download the files individually, or grab the whole batch as a ZIP.