观点笔记 is a free Chrome add-on developed by guandian. This add-on is designed for users who want to take notes and mark important content while browsing websites. With 观点笔记, users can easily capture and save important information for later reference.

One of the main features of 观点笔记 is its ability to allow users to mark and highlight specific content on web pages. This can be useful for users who want to remember important points or quotes from articles, blog posts, or research papers. The add-on also provides a search function, making it easy for users to retrieve their saved notes and marked content.

Overall, 观点笔记 is a convenient tool for Chrome users who need a simple and efficient way to take notes and mark important content while browsing the web. It provides a user-friendly interface and useful features for organizing and retrieving information.