RB converter - online and free
Step 1 - Select a file(s) to convert
Drag & drop files
Max. file size 50MB (want more?)
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Step 2 - Convert your files to
Or choose a different format


Fast Downloads
We've recently developed real-time conversions, which means you never have to leave our site to convert and download your file.

Help is on Hand
We have Twitter, Facebook and Instagram pages, where you can always ask us a question and our social media team will help you out.

Ease of Use
You can convert a file for free in just a few clicks, without any need to register for an account.

Privacy
We recognise that you have entrusted Zamzar with your files and your personal information, and handling your data is a serious responsibility; we want you to know how we go about doing that. Our privacy policy can be read here.
You're in good company:
Zamzar has converted over 510 million files since 2006
Convert to RB
Using Zamzar it is possible to convert to RB from a variety of other formats
- azw to rb (Amazon Kindle eBook File)
- azw3 to rb (Amazon KF8 eBook File)
- cbc to rb (eBook Format)
- cbr to rb (Comic Book RAR Archive)
- cbz to rb (Comic Book Archive File)
- chm to rb (Compiled HTML Help File)
- doc to rb (Microsoft Word Document)
- docx to rb (Microsoft Word 2007 Document)
- epub to rb (Open eBook File)
- fb2 to rb (FictionBook 2.0 File)
- lit to rb (Microsoft eBook File)
- lrf to rb (Sony Portable Reader File)
- mobi to rb (Mobipocket eBook)
- pdb to rb (Palm Media eBook File)
- pdf to rb (Portable Document Format)
- pml to rb (eBook File)
- prc to rb (Mobipocket eBook File)
- tcr to rb (Psion eBook File)
Convert from RB
Using Zamzar it is possible to convert from RB to a variety of other formats
- rb to azw3 (Amazon KF8 eBook File)
- rb to epub (Open eBook File)
- rb to fb2 (FictionBook 2.0 File)
- rb to oeb (Open eBook File)
- rb to lit (Microsoft eBook File)
- rb to lrf (Sony Portable Reader File)
- rb to mobi (Mobipocket eBook)
- rb to mp3 (Compressed audio file)
- rb to pdf (Portable Document Format)
- rb to pdb (Palm Media eBook File)
- rb to pml (eBook File)
- rb to prc (Mobipocket eBook File)
- rb to tcr (Psion eBook File)
- rb to txt (Text Document)