Make modern, tiny AVIF files from PNG/JPG/WebP (when your browser supports it), or convert AVIF back to a widely compatible format. Runs locally.
Drag & drop images, or pick files / a folder below
Your data is processed entirely in your browser. Nothing is uploaded to any server.
Yes, AVIF Converter is 100% free and runs entirely in your browser.
No. Images are processed locally in your browser for full privacy — they never leave your device.
Common formats such as JPG, PNG, WebP and more, depending on the tool.
No. AVIF Converter works in any modern browser, no installation needed.