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Convert JPG to AVIF

Reduce your JPG file sizes by up to 50% by converting to AVIF. Powered by WebAssembly - all processing stays on your device.

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How to Convert JPG to AVIF

1

Upload

Drag and drop your files or click Browse to select them.

2

Convert

Adjust the quality slider if needed, then click Convert All.

3

Download

Download your converted files individually or all at once.

100% Private

Your files never leave your device. All conversion happens locally in your browser using the Canvas API and WebAssembly.

Frequently Asked Questions

AVIF typically achieves 30-50% smaller file sizes compared to JPG at equivalent visual quality, thanks to its advanced AV1 compression.

AVIF is supported in Chrome 85+, Firefox 93+, Safari 16.4+, and Edge 85+. This covers over 95% of web users worldwide.

Your JPG is decoded using the browser's Canvas API, then re-encoded as AVIF using a WebAssembly module running locally in your browser. No server processing is involved.