Is this image converter free?

Yes. Convert images for free with no account, watermark, or upload limit.

Are my images uploaded to a server?

No. Conversion runs entirely in your browser. Your files never leave your device.

WebP to AVIF Converter — Free Online

Drop an image hereor click to choose a file

File name

.avif

Downloads as image.avif

Convert to

Quality

Requires a recent browser (Chrome, Firefox, Safari 16+).

Drop an image to convert.

Notice: Your files are processed 100% locally in your browser and are not saved to any database. Please download your files once editing is complete to prevent losing your work.

If your build pipeline already uses WebP, AVIF can reduce size further on photo-heavy pages. Convert assets before deploy.

Best for this page

Move from WebP to AVIF when you want the smallest lossy files modern browsers support
Upload your source image when you want a focused webp to avif converter workflow.
Try PNG to JPG converter if your file type, format, or use case is slightly different.

How to use

Upload your source image.
Confirm the output format (pre-selected for this page).
Adjust quality if needed, then download the converted file.

Tips for better results

Confirm the output format (pre-selected for this page) before downloading so the result matches the place you plan to use it.
Keep the original file until you have opened and checked the downloaded result.
For large files, leave this browser tab open until the progress message says the work is complete.

Limits to know

Very large files can take longer because webp to avif converter work happens in your browser when possible.
Refreshing or closing the tab can clear unsaved work, so download the finished file before leaving.
Some older apps only accept common formats, so use a related converter page if the first export is not accepted.

FAQ

Is this image converter free?: Yes. Convert images for free with no account, watermark, or upload limit.
Are my images uploaded to a server?: No. Conversion runs entirely in your browser. Your files never leave your device.