RB to G4 Converter

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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.

g4

Group 4 FAX

G4 is a method to compress black and white images without losing quality. It is used for fax machines and as a one of the compression types for the TIFF format. G4 treats a picture as black dots and lines on a white page (less file size will be achieved if there are less black dots and lines).

How to convert RB to G4

Step 1

Upload rb-file(s)

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

Step 2

Choose "to g4"

Choose g4 or any other format you need as a result (more than 200 formats supported)

Step 3

Download your g4

Let the file convert and you can download your g4 file right afterwards

How to convert G4 to RB