AVIF can be many times smaller than a PNG of the same image, and it keeps transparency. That makes it a great choice for product photos on transparent backgrounds, illustrations and hero images. Convert your PNG files here with no software to install.
How to convert PNG to AVIF
- Drop your PNG files in the box above, or click to pick them. You can add as many as you like.
- AVIF is already selected as the output format. Switch on other formats if you want them too.
- Optional: open Advanced Settings to resize by percentage, width or height, and add more sizes.
- Click Start Conversion, then download each file or all of them at once. Nothing is uploaded: the conversion runs in your browser.
Why convert PNG to AVIF?
PNG was designed for lossless storage, not for fast websites. Switching to AVIF gives you the best compression browsers support today while keeping the alpha channel. AVIF encoding is slower than PNG or WebP, so allow a little extra time for big images.
Frequently asked questions
Does AVIF support transparency?
Yes. AVIF has a full alpha channel, so transparent areas of your PNG stay transparent.
Should I choose AVIF or WebP for my PNGs?
AVIF usually gives smaller files; WebP encodes faster and is supported by slightly older browsers. You can switch on both formats and compare the results.
Are my images uploaded?
No. The conversion runs entirely in your browser, on your device. Your images are never uploaded to a server, so this works for private and confidential files too.