An e-book file format used for digital publications. It is widely supported by e-readers and mobile devices.

A digital book format optimized for Amazon Kindle devices, allowing users to store and read eBooks on Kindle devices and apps.

A widely used document format that preserves layout and formatting across devices. It is commonly used for sharing official documents.

An eBook format for Kindle, offering improved formatting and multimedia support compared to the older MOBI format.

A markup language used for structuring web pages. It is the foundation of most websites and works with CSS and JavaScript.