RB is an eBook file format that was developed by NuvoMedia. It was first used in Nuvo Media’s Rocket eBook device. It contains the contents of the book in HTML form. RB file contains INFO filr for providing metadata.
MOBI is an eBook format that supports several eBook reading devices and gadgets. It also supports in mobile phones and PDAs. Although it is a file extension of Mobipocket Reader, most other eBook readers also support this file format. It also contains DRM to protect the digital right of the eBook. This format is officially discontinuing from the year 2011.
+200 Formats Supported
CloudConvert is your swiss army knife for file conversions. We do support nearly any audio, video, document, ebook, archive, image, spreadsheet or presentation format. No need to download and install any software.
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Besides using open source software under the hood, we have partnered with various software vendors to provide the best possible results. Most conversion types can be adjusted to your needs, such as setting the quality and many other options.
Our API allows custom integrations with your app. You only pay for what you actually use and there are huge discounts for high volume customers. We do provide a lot of handy features, such as a full Amazon S3 integration. Check out the API documentation.