This wiki has been migrated to and is now deprecated. Please use that site instead.

Joint Photographic Experts Group (JPEG) - JPEG File Interchange Format (JFIF)

JPEG/JFIF is not a protocol, but:

JPEG / JFIF is good to use for photos, but should be avoided for diagrams, icons and alike (with hard edges and only a few colors).

Obsoleted by the ["PNG"] graphics file format, but still widely used.