How do JPG and AVIFcompare? Here's everything you need to know to choose the right format — and how to convert between them.
Joint Photographic Experts Group
JPG (also known as JPEG) is the most widely used image format for photographs and complex images. It uses lossy compression to significantly reduce file size while maintaining acceptable visual quality.
AV1 Image File Format
AVIF is a next-generation image format based on the AV1 video codec. It offers the best compression ratios available today — significantly better than WebP and JPG — while being royalty-free and open source.
| Specification | JPG | AVIF |
|---|---|---|
| Full name | Joint Photographic Experts Group | AV1 Image File Format |
| Extension | .jpg | .avif |
| MIME type | image/jpeg | image/avif |
| Category | Image | Image |
| Developer | Joint Photographic Experts Group | Alliance for Open Media |
| Year introduced | 1992 | 2019 |
| Compression | Lossy | Lossy |
Both JPG and AVIF have their strengths. JPG excels at photography and photo sharing, while AVIF is better for cutting-edge web performance optimization.
Need to switch formats? Convert for free with SquishConvert.