问知乎 is a Chrome add-on that enhances the search capabilities of the browser by adding support for quick searches on Zhihu, a popular Q&A platform in China. With this tool, users can easily switch to Zhihu's search engine by typing "z" followed by the tab key. This allows for targeted searches specifically for Zhihu questions and topics.

The add-on provides a convenient way for users to access Zhihu's vast database of information directly from the Chrome search bar. By eliminating the need to visit the Zhihu website separately, users can save time and quickly find relevant answers and discussions on Zhihu.

With its simple and intuitive functionality, 问知乎 offers a seamless integration of Zhihu into the Chrome browsing experience, making it a valuable tool for users who frequently rely on Zhihu for information and insights.