EPUB file format
Adobe Digital Editions
Comic Book Reader
The ePUB file type is a free and open-source electronic book standard developed by the International Digital Publishing Forum (IDPF). It is supported by almost every ebook reader and can be read on portable devices, mobile phones, and desktop computers.
EPUB was flourished in 2007. It uses reflowable content methods, which means it is compatible with different display dimensions. When a file is viewed only in a specific format, it can keep particular sizes. DRM protection is available here, including inline raster or vector images. Modern versions have four characteristics. Publications, Content documents, Open container format are some specifications of current versions of this format.