Bilibili is a video-sharing and streaming platform known especially for anime and its interactive viewing community. It offers a broad mix of content, including anime, movies, television series, gaming videos, live streams, education, podcasts, sports, lifestyle, food, travel, fashion, and science. Users can watch on mobile and desktop devices, and the service is also described as supporting smart TVs. Much of the content is available free, while some titles or additional features may require a premium subscription.

The platform provides high-definition streaming with selectable resolutions, personalized recommendations, multilingual subtitles, and options to download videos for offline viewing. Its signature danmu feature lets viewers post short reactions that appear across the video in real time, creating a shared viewing experience. Users can also like, share, and comment on videos, follow creators, and upload their own content. With an extensive anime collection, varied media categories, and tools for both viewing and participation, Bilibili serves entertainment audiences as well as people seeking educational and creator-made videos.