AVIF Format Converter — Free, No Upload
Overview
AVIF is the next-generation image format for the web, offering the best compression of any widely-supported format. Whether you need to decode an AVIF for a legacy tool or encode your existing JPEGs to AVIF for web performance, this converter handles both directions entirely in your browser — no file ever leaves your device.
How to Use This Tool
Choose your conversion direction (To AVIF or From AVIF), upload your image, set quality and output format, then click Convert. The tool shows a side-by-side preview with original and output file sizes. Download your converted image when ready.
Ready to get started? It's free, no registration required, and your files never leave your device.
PDF Tool →Frequently Asked Questions
What file types can I convert to AVIF?
You can convert JPG, PNG, and WebP images to AVIF using this tool. The source image is decoded in the browser canvas, then re-encoded to AVIF using a WebAssembly-compiled encoder.
What file types can I get from an AVIF?
You can convert AVIF to JPG, PNG, or WebP. Select your preferred output format before clicking Convert.
Is this tool free and unlimited?
Yes. There is no file size limit, no conversion count limit, and no account required. The conversion runs entirely in your browser.