WaniKani Kanji Highlighter is an unofficial Chrome extension developed by diogocorreia.dev. This free add-on is designed to complement your kanji studying on WaniKani by highlighting every kanji you have learned whenever it appears on any web page.

With WaniKani Kanji Highlighter, you can hover over any highlighted kanji to get a popup with detailed information provided by WaniKani. This feature allows you to quickly access information about the kanji you have already studied, enhancing your understanding and retention.

The extension also includes a Search Bar in the popup, allowing you to browse through all the kanji and vocabulary provided by WaniKani. Additionally, you can get information about your lessons, reviews, and future reviews, providing a convenient way to keep track of your progress.

Recent updates to the extension include the addition of dark mode to the popup and the inclusion of extension rating stars. Bug fixes have also been implemented, improving the automatic update of lessons and reviews counters and preventing the extension from getting stuck during data fetching.

Overall, WaniKani Kanji Highlighter is a valuable tool for WaniKani users, offering a seamless integration of kanji studying into your web browsing experience.