🦊 Firefox Privacy Toolkit – Beginner’s Guide (2025)

Take back control of your browser with this step-by-step privacy upgrade. This guide is written for beginners who want a faster, safer, and less invasive browsing experience using free and open-source tools.


✅ Step 1: Adjust Firefox Settings

Go to Settings → Privacy & Security and make these changes:

  • Enhanced Tracking Protection → Strict
  • Cookies and Site Data → Delete cookies and site data when Firefox is closed
  • Send websites a “Do Not Track” signal → Always
  • Firefox Data Collection → Uncheck all boxes

⚙️ Step 2: Power Tweaks in about:config

Paste about:config into your address bar and hit enter. Accept the warning.

Change these values:

Setting Value Purpose
privacy.resistFingerprinting true Reduces tracking via browser fingerprinting
privacy.trackingprotection.enabled true Enables built-in tracking protection
network.cookie.cookieBehavior 1 Blocks 3rd-party cookies
browser.newtabpage.activity-stream.feeds.section.topstories false Removes Pocket sponsored content
toolkit.telemetry.enabled false Disables telemetry to Mozilla
browser.urlbar.suggest.quicksuggest.enabled false Disables ad suggestions in address bar

🧩 Step 3: Must-Have Extensions

Search for these in addons.mozilla.org and install them.

🛡 uBlock Origin

  • Blocks ads, trackers, and malware
  • Lightweight and customizable

🛠 Greasemonkey

  • Lets you run custom scripts to improve or automate websites
  • Find user scripts here: greasyfork.org

📦 SingleFile

  • Save entire web pages as a single HTML file
  • Great for archiving or offline reading

🧠 Bitwarden

  • Open-source password manager
  • Syncs securely across devices

🎥 Video DownloadHelper

  • Download videos from YouTube, Vimeo, and other sites
  • Optional companion app for best results

🧙 Bonus: Supercharge with user.js

For advanced users, use Arkenfox’s user.js — a privacy-focused settings file that replaces defaults.

Install by:

cd ~/.mozilla/firefox/yourprofile.default-release/
curl -O https://raw.githubusercontent.com/arkenfox/user.js/master/user.js

📚 More Resources

[PrivacyTools.io](https://www.privacytools.io/)

[Privacy Guides](https://www.privacyguides.org/en/)

[RestorePrivacy Guide](https://restoreprivacy.com/)

[Greasemonkey Scripting Guide](https://wiki.greasespot.net/Greasemonkey_Manual)

[Arkenfox Hardened Firefox](https://github.com/arkenfox/user.js/)

[This guy thinks arkenfox is Meh](https://discuss.getsol.us/d/9619-arkenfox-userjs-is-meh-a-review)