BiT吧 is an online entertainment resource platform focused on collecting and cataloguing films and television content for users to browse and download. Its library spans movies, series, variety programmes, animation, documentaries and short films, with listings organised by genre and supported by sections such as trending titles, popular downloads, recent updates and Top 250 selections. Entries include descriptive details such as release year, country or region, format, genre, cast, director, ratings, episode progress and available language or subtitle options.

The site highlights high-definition releases in resolutions including 720p, 1080p and 4K, as well as HDR versions where available. It promotes downloads through BitTorrent and magnet links, alongside cloud-drive and offline-download resources. BiT吧 also offers account features including login, free registration and check-ins for earning site currency, and invites users to submit new titles and join community groups.

The site states that it supports access from phones and iPads and aims to provide pages that load quickly and reliably