VK Blue is a free Chrome extension developed by some.lazy.developers. It is designed specifically for the social networking site VK.com and enhances the functionality of the 'Music' section. With VK Blue, users can enjoy an enhanced music experience with features such as an equalizer, Last.fm scrobbling, media keys support, artist biographies, and lyrics.

The extension offers an equalizer that allows users to adjust the power of different frequencies in the audio stream. It can be used to increase bass or enhance high frequencies. Additionally, the equalizer can automatically select settings based on the genre of the song. Users can also enjoy a visualizer widget that provides visual pleasure while listening to music.

VK Blue provides information about the artist as soon as a song is played, offering biographical details about the performer. This extension also includes lyrics, allowing users to sing along with their favorite artists. Last.fm scrobbling is supported for users who enjoy tracking their music statistics.