じゃんぷメーター is a Google Chrome extension developed by usn.nishioka. This free extension adds a link to 読書メーター (Yomereba) on Amazon product pages. The extension is specifically designed for Kindle books and adds a "Search on 読書メーター" button below the book title.

With じゃんぷメーター, avid readers can easily access 読書メーター, a popular Japanese book tracking website. By clicking on the button, users are redirected to the corresponding book's page on 読書メーター, where they can find detailed information, reviews, and ratings.

This extension is a convenient tool for Kindle book enthusiasts who want to keep track of their reading progress and discover new books through 読書メーター. It seamlessly integrates with Amazon and provides easy access to a wealth of information about the books they are interested in.