RB to FB2 Converter

Easily convert your RB files to FB2 format in the Ebook category with ConvertOnline's efficient tool.

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What is RB ?

The 'rb' file format is primarily associated with Ruby scripts that are executed in a binary format. It allows for the execution of Ruby code that may include compiled extensions and optimizations, making it efficient for performance-sensitive applications.

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What is FB2 ?

FB2, or FictionBook 2.0, is an XML-based eBook format designed for fiction literature. It supports rich formatting, including metadata, images, and various text styles, making it suitable for a wide range of devices and applications.

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How to Convert RB to FB2 in Just a Few Steps

  1. Upload your RB file
    Click the upload button or drag & drop your file into the converter area. We support all major formats.
  2. Choose FB2 as the output format
    The tool will automatically convert your file to FB2.
  3. Start the conversion
    Click the "Convert" button and let our tool handle everything. The conversion only takes a few seconds.
  4. Download your converted file
    Once complete, download your new FB2 file instantly.

Start converting RB to FB2 now — it’s fast, safe, and completely online!