JPG to AVIF converter
Convert JPG images to valid AVIF files. Fast, free, and private - processed entirely in your browser, up to 30 images at a time.
Drop your JPG images here
or choose up to 30 JPG images from your device
Maximum file size: 20MB per image
Your images stay private
Images are processed directly in your browser and are never uploaded to our servers.
JPG vs. AVIF
JPG is a widely supported photographic format. AVIF is a newer format designed for efficient compression and modern web delivery.
Converting creates a new AVIF image from the decoded JPG pixels. This can reduce output size when the destination supports AVIF.
How to convert JPG to AVIF
- 1
Upload your JPG images
Drag up to 30 files in or choose them from your device.
- 2
Automatic conversion
Each JPG is decoded and encoded as a verified AVIF in your browser.
- 3
Review the results
Check the generated file type before downloading.
- 4
Download one or all
Save a single AVIF file, or download everything together as a ZIP.
When to convert JPG to AVIF
- Preparing images for an AVIF-supported website
- Testing modern image delivery formats
- Creating smaller compatible copies for web platforms
- Converting images privately without sending them to a server
Frequently asked questions
- Yes, completely free with no signup or usage limit.
- No. Conversion happens directly in your browser.
- Yes. The converter checks that the browser produced actual AVIF data before allowing the file to download.
- AVIF can provide efficient modern compression for websites and platforms that support it.
- Yes, up to 30 at a time, downloadable individually or as a ZIP.
- The tool shows an error instead of downloading a mislabeled file. Try a current Chrome, Edge, or Firefox browser.
- Each image can be up to 20MB. Larger files will need to be resized first.
- Yes, provided your mobile browser supports AVIF encoding. The tool runs without an app or upload.