Zhihu Filter is a free Chrome add-on developed by TheDev. This add-on allows users to set up a word filter to block certain content from their Zhihu information feed. With the increasing amount of low-quality content on Zhihu, especially the popular content generated by the recommendation algorithm, it can be challenging to find valuable and professional information within the limited browsing time.

The main feature of Zhihu Filter is the ability to customize the word filter. Users can specify certain keywords or phrases that they want to block, ensuring that they won't see any content related to those topics in their Zhihu feed. This feature helps users to create a more tailored and focused information stream, allowing them to avoid content that may cause anxiety, spread negative emotions, or simply clutter the feed with irrelevant stories.

Overall, Zhihu Filter is a useful tool for Zhihu users who want to have more control over the content they see in their information feed. With its customizable word filter, users can create a personalized browsing experience that is free from unwanted and distracting content.