cnki 科研助手 is a free Chrome add-on developed by cnki-assistant that provides a convenient way to download and manage PDF research papers. This tool is specifically designed for researchers and students who frequently access and read academic papers from the cnki website.

With cnki 科研助手, users can easily download PDF format research papers from cnki, eliminating the need to deal with the .caj file format. This saves time and ensures that users can access their desired papers quickly and efficiently.

One of the key features of cnki 科研助手 is its ability to automatically add bookmarks and a table of contents to downloaded PDF papers. This makes it easier for users to navigate through the document and quickly find the information they need. Additionally, the tool provides an auto-preview feature, allowing users to quickly preview the downloaded PDF papers without having to open them in a separate application.

Overall, cnki 科研助手 is a valuable tool for researchers and students who rely on the cnki website for accessing academic papers. Its ability to download PDF papers, add bookmarks and a table of contents, and provide an auto-preview feature makes it a convenient and time-saving addition to the research workflow.