Convert JPG to AVIF free
Useful for the smallest possible web images for fast pages. This page opens with AVIF already selected: drop the JPG files, press Convert, download one by one or as a ZIP. The conversion runs on your device.
Drag the handle. Zoom your browser (Ctrl +) to inspect fine detail at 100%.
Correct handling
Transparent areas are kept. Colour profiles and EXIF orientation are respected so photos do not come out rotated.
Batch, with a ZIP
Up to 50 files at once. Each row shows the new size; download individually or everything as one ZIP.
Private
Nothing is uploaded. Photos of documents, family and property stay on your device.
Frequently asked questions
Does JPG to AVIF lose quality?
Both are lossy formats; converting once at quality 85–90 is visually identical.
Does it work on a phone?
Yes, in Chrome, Edge or Safari on Android and iPhone.
Is anything uploaded?
No. The converter runs entirely in your browser.
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