JPG to AVIF Converter
Convert JPG to AVIF in seconds — free, batch + ZIP, and your files never leave your device.
1. Add your JPG images
Drop your images here
or click to browse — you can add multiple files at once
PNG, JPG, WebP, HEIC and more • Format support varies by browser • Max 50MB per file • Up to 20 files
2. Choose format & convert
Your file downloads instantly
Lightning fast
Converts instantly on your device — no upload or download wait.
100% private
Files never leave your browser. Nothing is sent to any server.
Batch + ZIP
Convert many images at once and get them all in one ZIP.
Convert JPG to AVIF
- 1
Add your images
Drag and drop your JPG files into the box, or click to choose them.
- 2
Pick AVIF
Make sure AVIF is selected as the output format.
- 3
Convert and download
Click Convert. One file downloads directly; several files download together as a ZIP.
What is JPG?
JPG is the most widely supported photo format, with small files that open on every device.
What is AVIF?
AVIF is a next-generation format with excellent compression, great for fast-loading websites.
Frequently asked questions
How do I convert JPG to AVIF?+
Drop your JPG files in the box, check that AVIF is selected, and click Convert. Compatible files download after conversion. If your browser cannot decode the input or encode the output, a clear error appears without a mislabeled download.
Is converting JPG to AVIF safe?+
Yes. The conversion runs in your browser on your device. Your images are never uploaded to any server.
Can I convert many JPG files at once?+
Yes. Add up to 20 JPG images (up to 50MB each) and download successfully converted AVIF files together in one ZIP.
Is it free?+
Yes, completely free with no sign-up and no watermark.