douban-book-unfold is a free Chrome add-on developed by zhuangya. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. This program aims to automatically unfold hidden content in Douban Book.

With douban-book-unfold, users no longer have to manually click on the "没关系，可以展示全文" (It's okay, you can show the full text) button to view the complete content on Douban Book. This add-on saves time and effort by automatically expanding the hidden content, providing users with a seamless reading experience.

By eliminating the need for manual interaction, douban-book-unfold makes it easier for users to access the full text of book reviews and other content on Douban Book. This add-on is a convenient tool for avid readers and anyone who frequently visits Douban Book for literary discussions.

Please note that this add-on is specifically designed for the Chrome platform.