Is 小説家になろう Tool safe?

Customizes reading appearance and keyboard navigation on supported Japanese web novel sites.

This extension lets users change background color, text color, font, and body width on 小説家になろう／小説を読もう！, ノクターンノベルズ, ムーンライトノベルズ, and ミッドナイトノベルズ. It also adds keyboard shortcuts for going back, moving to the next page, marking an episode as a favorite, liking content, shortening the page-top link, and showing all episodes on table-of-contents pages.