SlimFox

---

SlimFox

A PowerShell script designed to modify Mozilla Firefox policies on Windows, optimizing privacy and performance by disabling telemetry, Pocket, Firefox accounts, and other unwanted features.

Features

Click Here

• Disable Telemetry
  Prevents Firefox from collecting and sending telemetry data.

• Disable Pocket
  Removes Pocket integration from Firefox.

• Disable Firefox Accounts
  Blocks Firefox sync and account-related features.

• Disable Crash Reporter
  Prevents Firefox from sending crash reports.

• Disable Studies
  Stops Firefox from running studies that collect user data.

• Disable Extension Recommendations
  Prevents Firefox from recommending extensions based on browsing behavior.

• Disable Search Suggestions
  Stops Firefox from showing search suggestions.

• Disable Prefetching
  Prevents Firefox from preloading pages and DNS queries to save bandwidth and enhance privacy.

• Disable Captive Portal
  Disables captive portal detection.

• Disable Firefox View
  Removes the Firefox View feature.

• Disable Form Autofill
  Turns off automatic form filling.

• Disable Location Services
  Prevents websites from accessing location services.

• Disable WebRTC
  Prevents IP leaks through WebRTC.

• Disable Hardware Acceleration
  Forces Firefox to use software rendering.

• Disabl ePocket Sponsored Stories
  Removes sponsored stories from the Pocket recommendations.

• Enable Tracking Protection
  Enables Firefox’s built-in tracking protection.

• Disable Default Browser Agent
  Prevents Firefox from running the default browser agent.

• Disable Auto Update
  Stops Firefox from updating automatically.

• Disable App Update
  Disables updates for the Firefox application.

• Disable Profile Import
  Blocks the ability to import profiles from other browsers.

• Disable Developer Tools
  Restricts access to Firefox's built-in developer tools.

• Disable Safe Mode
  Prevents Firefox from restarting in Safe Mode.

• Disable Private Browsing
  Disables the ability to open private browsing windows.

• Disable Pocket Recommendations
  Removes article recommendations from Pocket.

• Disable Screenshots
  Disables the built-in screenshot tool.

• Disable SSL3
  Disables the outdated SSL 3.0 protocol for security.

• Disable TLS1
  Disables the outdated TLS 1.0 protocol for security.

• Disable TLS1.1
  Disables the outdated TLS 1.1 protocol for security.

• Enable HTTPS Only Mode
  Forces all connections to use HTTPS where possible.

• Disable Password Manager
  Prevents Firefox from saving passwords.

• Disable Master Password
  Disables the use of a master password for saved credentials.

• Disable Form History
  Prevents Firefox from storing form and search history.

• Disable Cookies
  Blocks all cookies.

• Disable Third Party Cookies
  Blocks only third-party cookies for better privacy.

• Disable WebGL
  Disables WebGL to prevent potential security risks.

• Disable IPv6
  Disables IPv6 networking.

• Disable DNS Over HTTPS
  Prevents Firefox from using DNS over HTTPS.

• Disable Cache
  Disables all caching, including disk, memory, and predictive network actions.

• Disable Disk Cache
  Prevents Firefox from storing cache on disk.

• Disable MemoryCache
  Prevents Firefox from using memory to cache pages.

• Disable Predictive Network Actions
  Stops Firefox from predicting and preloading network actions.

• Disable Async Pan Zoom
  Disables asynchronous pan and zoom.

• Disable Welcome Page
  Prevents Firefox from showing the welcome page on first launch.

• Disable New Tab Page
  Removes Firefox’s default new tab page.

• Disable Bookmarks Toolbar
  Hides the bookmarks toolbar.

• Disable Toolbar Customization
  Restricts changes to the browser’s toolbar layout.

• Disable Addon Manager
  Blocks access to the Add-ons Manager.

• Disable Extensions
  Prevents installation of add-ons.

• Disable Themes
  Disables theme customization.

• Disable Full Screen Warning
  Removes the warning when entering full-screen mode.

• Block About Config
  Prevents access to Firefox’s configuration settings.

• Block About Support
  Blocks access to troubleshooting information.

• Block About Addons
  Prevents access to the add-ons page.

• Block About Profiles
  Blocks access to profile management.

• Block About Logins
  Prevents access to saved logins and passwords.

• Disable JIT
  Disables JavaScript Just-In-Time compilation for security.

• Disable E10S
  Disables Firefox’s multi-process architecture.

• Disable GPU Process
  Turns off hardware-accelerated GPU processing.

• Disable RDD Process
  Disables the Remote Data Decoder process.

• Disable Socket Process
  Prevents Firefox from using a separate process for networking.

• Disable Content Process Limit
  Limits the number of content processes Firefox can use.

---

🚀 How to Run the Script

1. Open PowerShell and paste the command below

iwr "https://raw.githubusercontent.com/ltx0101/SlimFox/main/SlimFox.ps1" -OutFile "SlimFox.ps1"; .\SlimFox.ps1

2. Configure Policies
   Once the script runs, you will see a graphical interface with options for configuring Firefox policies.

3. Apply Policies
   Select the desired policies and click on the "Apply" button. The script will automatically configure the Firefox policies in the registry.

4. Reset to Default
   If you want to reset all policies to their default values, click on the "Reset to Default" button. This will remove the custom policies from the registry.

---

❗Error: "Running Scripts is Disabled on this System"❗

Click Here

If you encounter the error "Running Scripts is Disabled on this System", it means that PowerShell's execution policy is preventing scripts from running for security reasons.

To resolve this, follow these steps:

1. Open PowerShell as Administrator

2. Change the Execution Policy
   Run the following command in the PowerShell window to allow locally-created scripts to run:

   Set-ExecutionPolicy -ExecutionPolicy RemoteSigned

---

Made with ❤️ and PowerShell