AZW4 is an eBook file that is developed by Amazon and are used by the Kindle eBook readers. AZW4 is a wrapper format for PDF or MOBI ebooks with DRM added.
PDB is an eBook or database format used in the Palm OS platform. PDB files support royalty free eBooks because it does not provide Digital Rights Management (DRM). PDB supports the basic eBooks with basic format. It is used in Palm devices.
+200 Formats Supported
CloudConvert is your universal app for file conversions. We support nearly all audio, video, document, ebook, archive, image, spreadsheet, and presentation formats. Plus, you can use our online tool without downloading any software.
Besides using open source software under the hood, we’ve 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 pay only for what you actually use, and there are huge discounts for high-volume customers. We provide a lot of handy features such as full Amazon S3 integration. Check out the CloudConvert API.