Free browser image tool
JPG to AVIF Converter Online
Convert JPG images to AVIF locally in your browser without uploading the file.
Setup: Upload the JPG file, choose the AVIF preset, review quality where available, then convert and download the .avif output.
Converts many image inputs to PNG, JPG, WEBP, GIF, BMP, TIFF, AVIF or a custom extension. First run downloads the FFmpeg engine; your image stays in the browser.
Your image is processed in your browser. No login is required.
What this page does
This focused workflow converts JPG to AVIF to test a high-compression modern format for photographic web delivery. JPG is commonly used for compact photographic files and broad software support, with lossy compression and no transparency. AVIF is useful for strong compression for modern web images, with slower encoding and inconsistent support in older software.
How to use JPG to AVIF Converter
- Upload a .jpg image.
- Choose AVIF from the converter presets.
- Adjust quality when the AVIF encoder provides that option, then run the conversion.
- Download the .avif file and test it in the final application.
Good uses
- Modern websites focused on smaller photographic assets
- Comparing AVIF against JPEG and WebP
- Creating an alternate delivery format while retaining the JPEG master
How to verify the result
- Confirm the downloaded filename ends in .avif.
- Compare width, height, color and orientation with the source.
- Inspect the result at full size and test it in the destination that requires AVIF.
Known limitations
- AVIF can retain transparency when the source and encoder provide it.
- The conversion creates one still AVIF image.
- AVIF encoding can be slower, especially for large images on mobile devices.
Examples
- Create an AVIF copy of a landing-page photograph.
- Compare an ecommerce image at similar visual quality across formats.
- Prepare a modern image asset for a site with fallback support.