Free Online JFI to RB Converter
JFI
to
RB
JFI
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.
RB
Rocket eBook
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.
How To Convert JFI to RB

Step 1: Upload Files
Click the upload button or drag and drop your JFI files into the upload area.

Step 2: Convert File
Click "Convert" and wait for conversion done

Step 3: Download
Download the converted RB file