RB Converter

Convert RB (Rocket e-book) files online, for free, with nothing to install.

RB is the e-book format of the Rocket eBook, one of the first e-readers (1998). RB files can be saved as PDF, RTF, TXT, EPUB, MOBI, AZW3, LRF, OEB, PDB, on our server.

What is an RB file?

RB – Rocket e-book. RB is the e-book format of the Rocket eBook, one of the first e-readers (1998).

How to convert an RB file

  1. Click Select File, or drop your .rb files anywhere on this page.
  2. Pick the format you want next to each file, for example PDF.
  3. Click Convert, then Download when it's done.

RB at a glance

RB
LayoutFlowing text
EditableNo
Created byNuvoMedia, 1998
Best forRocket eBook readers

Frequently asked questions

What is an RB file?

RB is the e-book format of the Rocket eBook, one of the first e-readers (1998).

How do I open an RB file?

RB files open in Calibre and in a few reading apps, and on the old e-readers made for them. To read it anywhere, convert it to EPUB here.

Is converting RB files free?

Yes. Everyone gets 25 free credits a day, with no account needed. Conversions on our server use one credit per started minute of work, so most cost a single credit. Credits reset at midnight UTC.

Are my RB files uploaded anywhere?

This conversion runs on our server, because reading an RB file needs calibre, which does not run in a browser. Your file is sent over an encrypted connection, and both it and the result are deleted 72 hours after the conversion. The server has no internet access while it works on your file.

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