防止误关douban.fm is a free Chrome add-on developed by snow.hellsing. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. This add-on prevents accidental closure of the douban.fm website by displaying a confirmation dialog when attempting to close it.

With防止误关douban.fm installed, users can avoid accidentally closing the douban.fm website, ensuring uninterrupted music streaming. The add-on adds a confirmation dialog that pops up whenever the user tries to close the douban.fm tab, providing an extra layer of protection against accidental closures.

Overall,防止误关douban.fm is a useful Chrome add-on for douban.fm users who want to prevent accidental closures of the website. It is easy to install and provides a simple yet effective solution to avoid interruptions while enjoying music on douban.fm.