AcFun 剧场模式 is a free Chrome add-on developed by guoyaozhi. It aims to transform the AcFun playback page into a theater mode similar to that of YouTube.

With this add-on, users can enjoy a theater-like experience while watching videos on AcFun. By clicking on the extension icon, users can toggle the theater mode on or off as per their preference. The add-on offers several features to enhance the viewing experience, including automatic theater mode (which can be disabled), automatic focus on the player, and a persistent progress bar on the player (which can also be disabled).

Other features include the ability to scroll through video details in fullscreen mode, support for Media Session API, and keyboard shortcuts for various functions such as entering fullscreen mode, picture-in-picture mode, toggling theater mode, enabling or disabling danmaku (bullet comments), and muting the video.

The program is licensed under the MIT open source license, making it freely accessible to users.

In terms of updates, versionof AcFun 剧场模式 has added support for AcFun's Media Session API and introduced a new shortcut for muting the video. Additionally, the shortcut keys now only work in lowercase mode. The update also includes bug fixes and continuous optimizations.

Overall, AcFun 剧场模式 offers AcFun users a more immersive and customizable video viewing experience, reminiscent of YouTube's theater mode.