Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.
Learn MoreLearn what Sync is, how it works, what it lets you do and how to avoid data loss with Sync, Firefox and your Mozilla account.
Learn what technical and interaction data Firefox collects, how it’s used, and how to manage or opt out on desktop, Android and iOS.
Mozilla does not provide telephone support and does not charge for software downloads, upgrades or technical help. Learn more.
Learn how to open and use private browsing in Firefox for iOS, plus answers to common questions.