Epubor Ultimate eBook Converter software (version 3.0.7.9) is a tool that allows s to convert eBooks between different formats such as EPUB, PDF, Mobi, and AZW3. It s batch conversion and can convert eBooks at a fast speed. The software also comes with a built-in eBook editor for s to customize their eBooks before conversion. Finally, it can remove DRM protections from eBooks purchased from different platforms.