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About JPG To AVIF Converter Online
JPG is the same format as JPEG — the names are interchangeable, reflecting a historical 3-character file extension limit on older Windows systems. The format uses adjustable lossy compression and is universally supported across all devices and platforms.
Converting to AVIF gives you the smallest possible file size for web delivery while retaining excellent quality. AVIF is supported in all modern browsers and is the recommended format for performance-focused web images.
This tool converts your JPG images to AVIF directly in the browser. Upload your file, choose a quality preset if available, and download the converted result instantly.
How to use this tool
How to convert JPG to AVIF
Upload your JPG file
Click the upload area or drag a JPG image. Files are handled locally.
Set quality (optional)
The Quality slider controls AVIF compression. AVIF achieves smaller file sizes than WebP or JPEG at comparable visual quality. Values of 60–80 work well for photos.
Convert
Press Convert. Sharp encodes the output as AVIF. Encoding may take a few seconds longer than other formats due to AVIF's heavier compression algorithm.
Download the AVIF
Click Download to save the .avif file. AVIF has excellent browser support in Chrome, Firefox, and Safari. It is the best choice when minimising file size for modern web delivery.