Is Speed-Pitch changer safe?

Changes video and web audio pitch in relation to playback speed on selected websites.

This extension lets you adjust the tone of web video or audio as playback speed changes, and can also change pitch independently with flat and sharp controls. It includes options to preserve pitch, choose which sites it runs on, and use keyboard shortcuts through the browser commands menu. Its permissions allow it to store settings and run on web pages, including access to the active tab, tabs, and all URLs.