- Extension
- .rb
- .jbg
- Format
- Text
- Binary
- Category
- Ebook
- Raster Image
- Developer
- NuvoMedia
- Joint Bi-level Image Experts Group (JBIG)
- Description
- RB is an eBook file format that was developed by NuvoMedia. It was first used in Nuvo Media’s Rocket eBook device. It contains the contents of the book in HTML form.
- Created by JBIG (Joint Bi-level Image Experts Group), JBG is a lossless file format that contains both colored and monochrome images. Commonly used to compress fax images, and it has better compression than G3 and G4 compression codecs.
- MIME Type
- application/x-rocketebook
- image/jbig
