Convert PNG to AVIF Free Online
Convert PNG images to AVIF for maximum compression while preserving transparency. AVIF produces the smallest files of any format that supports alpha channels.
How to Convert PNG to AVIF
- 1Open the PNG to AVIF converter in any browser
- 2Upload your .png file(s) by dragging or clicking to browse
- 3Adjust output quality settings if needed
- 4Download your converted .avif file(s) — individually or as ZIP
Why Convert PNG to AVIF?
AVIF offers both lossy and lossless compression with full transparency support. Lossless AVIF files are typically 30-50% smaller than equivalent PNGs. For web delivery where slight quality loss is acceptable, lossy AVIF with transparency can be 5-10x smaller than PNG.
Privacy First — No Upload Required
Your PNG files are converted entirely in your browser. They are never uploaded to any server. theimgapp is the safest way to convert images online — your files never leave your device.
Frequently Asked Questions
How do I convert PNG to AVIF for free?
Use theimgapp's free converter. Upload your .png file and download the .avif result instantly. No signup required, no files uploaded to servers.
Is it safe to convert PNG to AVIF online?
Yes. theimgapp processes everything in your browser — files never leave your device. This is the safest online conversion method available.
Can I convert multiple PNG files at once?
Yes. Upload multiple .png files and batch convert them all to .avif. Download individually or as a ZIP archive.