Settings and preferences
Manage themes and search settings
- How to set a default search engine in Firefox Preview Learn how to set your default search engine within the Firefox Preview app.
- How to change themes in Firefox Preview Learn how to change the look and feel of your Firefox Preview app using a pre-installed theme.
- How to set Firefox Preview as your default browser on your Android device Set Firefox as the default browser on your Android device.
- Enhanced tracking protection in Firefox Preview Enhanced Tracking Protection protects you from ad and analytics trackers as well as cryptomining and fingerprinting trackers. Learn more.