Firefox for Android provides tools and features to help you stay safe online. Mozilla cares about your privacy and always uses permissions in a manner consistent with our values, see How does Firefox for Android use the permissions it requests?

Updates

Keep your browser up-to-date. You can enable automatic updates when you install Firefox for Android to make this part easy

• Install Firefox on an Android device using Google Play

Passwords

Look for the padlock icon in Firefox for Android before entering any personal information (passwords, credit cards, addresses, etc.) into a web site.

• How does Firefox for Android Provide Secure Mobile Browsing?

Use a Master Password to secure Firefox for mobile in the event that you lose your device or if you share your device. Using a Master Password lets you have the convenience of a browser that remembers your passwords, but the safety of a master password to lock your username and passwords for all of your favorite sites.

• Using Master Password on Firefox for Android

Set up syncing passwords to your desktop so you don't need to type your password when on the go and you can still use a strong password.

• Use Sync to share your Firefox bookmarks, passwords and more with Firefox for mobile

Clearing passwords, history, form data and bookmarks

Clear your history and private data (cookies and passwords) and site settings easily with Firefox settings. For the most private and secure browsing, you can also choose to disable cookies and JavaScript in your Settings.

• Clear your recent mobile browsing history

Plugins and ads

Do Not Track

Tell sites not to track you for advertising purposes by using Do Not Track.

• How do I use Do-not-track on Firefox for Android?