How to convert JPG to AVIF
- 1. Add your JPG file
Drag a JPG file onto the box above, or click to browse. - 2. Choose AVIF
AVIF is already selected as the output — just confirm. - 3. Convert & download
Hit Convert and your new file is ready to save in a second.
JPG and AVIF explained
JPG (JPEG): A compressed image format that keeps photo file sizes small, best for photographs.
AVIF (AV1 Image File Format): A next-generation image format offering very small file sizes at high quality.
Frequently asked questions
Is it free to convert JPG to AVIF?
Yes. Converting JPG to AVIF on SwiftConvert is completely free, with no sign-up, no watermark and no limits.
Are my files uploaded to a server?
No. The conversion runs entirely in your browser, so your files never leave your device — nothing is uploaded, which keeps your data private.
Will I lose quality converting JPG to AVIF?
Converting to AVIF applies light compression to keep the file small. A high default quality is used, and you can fine-tune it with the quality slider before downloading.
Can I convert multiple JPG files at once?
Yes. Drop several JPG files together and convert them in one go; the results download together as a ZIP.