Convert jp2 to qoi

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Drop jp2 files here or click to choose

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The converter runs inside this page. Cut your network after it loads and it still works.

No account, no daily limit

No sign-up, no daily limit, no watermark, no queue behind other people's files. Batch as many JP2 files as you like.

Real QOI output

Encoded by magick, the same library the command-line tools use — not a renamed extension.

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Convert to qoi from png jpg webp gif bmp tiff ico avif jxl psd tga pcx

About JP2

JPEG 2000

A wavelet-based image format standardized in 2000, with lossy and lossless modes. It never caught on in web browsers, but digital cinema, medical imaging and map archives use it. Convert from JP2 to get a file ordinary apps can open; convert to it when an archive or imaging system requires it.

About QOI

Quite OK Image Format

A lossless image format published by Dominic Szablewski in 2021, designed to encode and decode much faster than PNG at similar file sizes. Its whole specification fits on one page. Use it in games and tools that load many images and care more about decode speed than support in other apps.