Lifehacker: You Can Finally Auto-Mute TikTok. “Opening TikTok with the sound blaring can be a bit embarrassing, especially if you’re in an academic or professional setting. And thanks to the auto-paying feed, this just goes on and on until you either hurriedly close the app, or find the mute switch. But TikTok has now added a much-needed feature that mutes the app on every launch—the videos will still automatically play, but now without sound.”