It's an extension for downloading music and videos from VKontakte. But all these legal sites that we are going to introduce to you can download free EPUB ebooks.
Enjoy new look of the-most-easy-to-use vk. Users like Vkontakte for its very intuitive interface and also because it lets them stay in touch with friends. Choose between download the video in normal quliaty(MP4), download the video in the best quality (MP4 HD) or download the video and convert it to MP3(Music file). You can get file size and approximate bitrate for audio files by clicking on duration.