If you're comfortable with a command line, this is the most powerful option. Linux users and developers prefer mobimeta for its speed and ability to create bulk-editing scripts.
Mobi Info Edit is a system configuration and metadata editing utility primarily utilized for mobile operating systems, embedded hardware, and specialized data formats (such as .mobi configuration templates or device registry trees). mobi info edit full version top
Do not use these tools to remove author attribution or digital rights management (DRM) for illegal distribution. If you're comfortable with a command line, this