A solid web-based tool for simple format changes if DRM isn't an issue.
Epubor Ultimate Converter functions primarily as a two-part utility: a format converter and a DRM remover. Epubor Ultimate Converter 3.0.11.820 Serials ...
Modern software uses online verification; leaked keys are usually blacklisted quickly and won't work for more than a few days. A solid web-based tool for simple format changes