Is Pokemon Retro Themes - Bring old-school Pokemon vibes to your browser safe?

Replaces the new tab page with a retro Pokémon-style dashboard and productivity tools.

This extension adds animated pixel-art themes, a themed search bar, website shortcuts, a Pomodoro timer, a music player, and quick app launchers to the browser’s new tab page. It also lets users customize visible tools, quotes, links, fonts, and related browser theme links. The description states that settings are saved locally in the browser.