PNG to AVIF
Convert PNG to AVIF for dramatically smaller files that still keep transparency — an efficient pick for web assets. Free, fast and secure, no sign-up. Everything runs locally in your browser and your file is never uploaded.
3 numbered images + 1 damaged file. A real processing example.
Images are processed in this tab. Download your results before closing or refreshing.
Your finished images will appear here.
Check each image, its dimensions and file size before downloading.
Frequently asked questions
Yes. AVIF supports a full alpha channel, so the transparent areas of the source PNG are preserved — ideal for transparent web icons and assets.
This tool encodes high-quality lossy AVIF by default to get very small files; for almost all images the difference is imperceptible. If you truly need lossless, keep the PNG.
No. AVIF encoding runs locally in your browser (where AVIF output is supported), and your file is never uploaded to any server.
Updated · image cat team