Tonarinoyj is a great tool to apply translated text over Manga chapters. This tool lets you translate any chapter, in any format. In short, this is a translation app to provide the necessary tools to edit your own chapters.

It can be used to translate text in Japanese and English, in any format, including manga.

The extension is not needed when it comes to editing a manga. You can edit it with any tool, such as Photoshop, for example.

However, Tonarinoyj provides you with the necessary tools for editing chapters that were released by other people.

You can download the extension by clicking on the blue button below. This will take you to a website that has a page to download it. It is important to note that this website is not free.