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Firefox Focus: The privacy browser - Browse like no one’s watching.
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Firefox Focus for Android

Build Status Task Status codecov

Browse like no one’s watching. The new Firefox Focus automatically blocks a wide range of online trackers — from the moment you launch it to the second you leave it. Easily erase your history, passwords and cookies, so you won’t get followed by things like unwanted ads.

Firefox Focus provides automatic ad blocking and tracking protection on an easy-to-use private browser.

Get it on Google Play Get it on F-Droid

Getting Involved

We encourage you to participate in this open source project. We love Pull Requests, Bug Reports, ideas, (security) code reviews or any other kind of positive contribution.

Before you attempt to make a contribution please read the Community Participation Guidelines.

Beginners! - Watch out for Issues with the "Good First Issue" label. These are easy bugs that have been left for first timers to have a go, get involved and make a positive contribution to the project!

Build Instructions

  1. Clone or Download the repository:
git clone
  1. Import the project into Android Studio or build on the command line:
./gradlew clean app:assembleFocusArmDebug
  1. Make sure to select the correct build variant in Android Studio: focusArmDebug for ARM focusX86Debug for X86 focusAarch64Debug for ARM64

Pre-push hooks

To reduce review turn-around time, we'd like all pushes to run tests locally. We'd recommend you use our provided pre-push hook in quality/ Using this hook will guarantee your hook gets updated as the repository changes. This hook tries to run as much as possible without taking too much time.

To add it, run this command from the project root:

ln -s ../../quality/ .git/hooks/pre-push

To push without running the pre-push hook (e.g. doc updates):

git push <remote> --no-verify


This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, You can obtain one at
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