MOJiDict Helper is a free Chrome add-on developed by Yukai Huang. This add-on falls under the category of Browsers and specifically, Add-ons & Tools. Its main functionality is to provide a popup of Japanese vocabulary when double-clicking on any text in a webpage.

With MOJiDict Helper, users can simply double-click on any text within a webpage and a small window will appear, allowing them to search for the meaning and translation of Japanese words. This feature enables users to quickly and conveniently learn and memorize Japanese vocabulary while browsing the internet.

MOJiDict Helper utilizes the API of "MOJi辞書" (mojidict.com) to provide accurate and reliable search results. This integration ensures that users can access a comprehensive Japanese dictionary right at their fingertips.

Whether you are a student learning Japanese or simply interested in expanding your language skills, MOJiDict Helper is a valuable tool that enhances your browsing experience by providing instant access to Japanese vocabulary definitions.