Quick summary
YouTube's dark mode reduces eye strain by switching the interface to a dark background, activated through the Appearance setting in your account menu. Once enabled via your Google account, the dark theme applies instantly and syncs across devices automatically.
Steps
- Sign in to youtube.com using your Google account.
- Click your profile icon in the top right corner, then click Appearance.
- Select Dark theme from the appearance options.
- Confirm the interface switches to dark mode immediately.
- Sign in to youtube.com on a second device or browser using the same Google account and confirm dark mode is applied automatically.
