Theme

File names

IMG_2041.heic

IMG_2041.jpg

Language

Your files and these choices stay on this device.

Conversion settings

Your starting point for new files. You can still change anything before converting.

Convert to

Quality
AutoSmaller fileBest quality
Bitrate
Auto64 kbps320 kbps
Video bitrate
Auto1 Mbps12 Mbps
Speed
Resolution
Color
Normalize volume
Remove metadata
Leave out images
Download several files as

Image format

What is a .qoi file?

Quite OK Image format, a lossless format designed to encode and decode in a fraction of the time PNG needs, with files only slightly larger. Game developers adopted it for textures and sprites that must load instantly.

fileclay opens and writes QOI

When to use QOI

Best for
Fast-loading game graphics.
Advantages
Encodes and decodes many times faster than PNG.
Disadvantages
Slightly larger than PNG, and few programs open it.

Convert QOI files

How to identify a .qoi file

Files of this format start with these bytes, whatever their name says.

71q
6Fo
69i
66f

It’s read here, in your browser. Only the first bytes.

Questions about QOI

How do I convert my files to .qoi?

Open the fileclay converter, drop your file in and pick .qoi as the output format. It runs inside your browser with WebAssembly, so nothing is uploaded, there’s no account and no watermark.

Which formats can I convert QOI files into?

fileclay can write 24 formats from a QOI file, including PNG, JPG, WebP, BMP, TIF and TIFF. Pick any of them as the output format when you drop the file in.

Is QOI lossless?

Yes. QOI keeps all the original data, so nothing is lost when the file is saved.

Does QOI support transparency?

Yes. QOI can store transparent areas.

Related formats