PNG to AVIF converter
Convert PNG images to valid AVIF files. Fast, free, and private - processed entirely in your browser, up to 30 images at a time.
Drop your PNG images here
or choose up to 30 PNG 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.
PNG vs. AVIF
PNG is lossless and supports transparency. AVIF is a newer format designed for efficient compression and modern web delivery.
Converting creates a new AVIF image from the decoded PNG pixels. This can reduce output size while retaining transparency when the destination supports AVIF.
How to convert PNG to AVIF
- 1
Upload your PNG images
Drag up to 30 files in or choose them from your device.
- 2
Automatic conversion
Each PNG 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 PNG to AVIF
- Preparing transparent 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 browser-side encoder creates actual AVIF bytes before the file is offered for 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 encoder receives the PNG pixel data including alpha, and AVIF supports transparency.
- Each image can be up to 20MB. Larger files will need to be resized first.
- Yes. The tool uses a browser-side encoder and works in modern mobile browsers without an app or upload.