MIME

Multipurpose Internet Mail Extensions.

image/apng: Animated Portable Network Graphics (APNG)
image/avif : AV1 Image File Format (AVIF)
image/gif: Graphics Interchange Format (GIF)
image/jpeg: Joint Photographic Expert Group image (JPEG)
image/png: Portable Network Graphics (PNG)
image/svg+xml: Scalable Vector Graphics (SVG)
image/webp: Web Picture format (WEBP)