Coefont Korean Lyrics Extension is a free Chrome add-on developed by Numata. It falls under the category of Browsers and is specifically listed as an Add-ons & Tools subcategory. This extension provides Korean subtitles for Japanese sentences on the Coefont website, allowing users to read and record in Korean even if they are not familiar with Hiragana.

With Coefont Korean Lyrics Extension, users can simply press the accent mark while recording on Coefont, and the extension will display the accent mark in Hangul (Korean script). This feature enables users to read and record in Korean, even if they do not know how to read Hiragana. It is a useful tool for those who want to practice reading Korean or for language learners who prefer reading in Hangul.

Overall, Coefont Korean Lyrics Extension is a handy add-on for Chrome users who want to enhance their experience on the Coefont website by providing Korean subtitles for Japanese sentences.