openBD情報チェッカー is a free Chrome extension developed by Scriptable Assets. This extension allows users to search and reference bibliographic and book cover information registered in openBD, a popular online library database in Japan. With this extension, users can easily access openBD information by simply selecting an ISBN and right-clicking to open the context menu.

Upon selecting an ISBN, a new tab will open, displaying the relevant information from openBD. The extension provides a seamless and convenient way to access openBD's vast collection of book information, enhancing the research and reference capabilities of users.

The extension features a simple and intuitive interface, with an icon designed by Freepik, adding a visually appealing touch to the browser toolbar.

Overall, openBD情報チェッカー is a valuable tool for anyone looking to quickly access and reference book information from openBD within the Chrome browser.