uDocumentViewer
Images.qoi

QOI viewer

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About QOI

Quite OK Image — fast, lossless image format.

QOI (Quite OK Image) is a tiny lossless image format designed to be dramatically simpler and faster to encode and decode than PNG, while reaching comparable sizes. The whole specification fits on a page. Our viewer implements the decoder in pure JavaScript and renders the pixels to a canvas — no libraries, no upload.

FAQ
What is a QOI file?
QOI (Quite OK Image) is a tiny lossless image format designed to be dramatically simpler and faster to encode and decode than PNG, while reaching comparable sizes. The whole specification fits on a page. Our viewer implements the decoder in pure JavaScript and renders the pixels to a canvas — no libraries, no upload.
Is my file uploaded?
No. Files are opened entirely in your browser using local JavaScript and WebAssembly. Nothing is sent to a server.
Does it work on mobile?
Yes. The viewer is mobile-first and works on phones, tablets, and desktops.
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