RB to JFI Converter
Convert your rb files to jfi online & free
How to convert rb to jfi
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to jfi"
Choose jfi or any other format you need as a result (more than 200 formats supported)
Download your jfi
Let the file convert and you can download your jfi file right afterwards
Was developed for the first mass-produced e-book reader – Rocket eBook. The format is written in Ruby. RB files are containers holding the entire content for a Rocket eBook device. It has DRM protection capability which is not used in the books published at present due to the format’s lack of popularity.
JPEG File Interchange Image
JFI is a raster image file format. It was developed by JPEG (Joint Photographic Experts Group) and are used to exchange the JPEG encoded data between applications and computer platforms. JFI is usually used to store bitmap graphics with full pallette.