Anti-Fingerprinting Shield Plus
Professional-Grade Browser Fingerprint Protection
Protect your privacy with advanced fingerprinting protection including canvas noise injection, audio context blocking, WebRTC leak prevention, and customizable browser profiles.
Available for Firefox (v6.0) and Tampermonkey (v5.3)
Major Version 6.0 Release
Complete rewrite with comprehensive protection, professional UI, and powerful new features.
Core Features
Canvas Protection
Consistent noise injection prevents canvas fingerprinting while maintaining functionality
Audio Blocking
Prevents audio context fingerprinting with sample rate spoofing and noise injection
WebRTC Protection
Multi-layered blocking prevents IP leaks at both script and network levels
Custom Profiles
Create unlimited custom browser profiles by mixing and matching hardware specs
Auto-Rotation
Automatic profile rotation at customizable intervals with stealth mode option
Statistics Tracking
Monitor blocked attempts, sites visited, and profile rotations in real-time
Per-Site Memory
Remember which profile to use on specific sites for consistency
Whitelist Support
Disable protection on trusted sites with wildcard pattern support
Import/Export
Backup and restore your settings and custom profiles with JSON export
What Gets Protected
Basic Protection
- User Agent String
- Platform & OS Information
- Screen Resolution & Color Depth
- Hardware Concurrency (CPU cores)
- Device Memory (RAM)
- Language & Timezone
- Navigator Properties
- Plugins & MIME Types
Advanced Protection
- Canvas Fingerprinting
- Audio Context Analysis
- WebRTC IP Leaks
- WebGL Parameters
- Font Enumeration
- Battery API
- Gamepad API
- Performance Timing
Installation Guide
Choose your preferred installation method
Firefox Extension (v6.0 - Recommended)
- 1
Download the extension from the link above
- 2
Open Firefox and go to about:debugging
- 3
Click "Load Temporary Add-on" and select the manifest.json file
- 4
For permanent installation, enable unsigned extensions in about:config (xpinstall.signatures.required = false)
- 5
Install the .xpi file via about:addons
- 6
Access settings by clicking the shield icon in your toolbar
Tampermonkey Script (v5.3 - Legacy)
- 1
Install Tampermonkey extension for your browser
- 2
Visit the Greasyfork page (link above)
- 3
Click "Install this script"
- 4
Confirm installation in Tampermonkey
- 5
Access controls with Ctrl+Shift+F on any webpage
Pre-Configured Browser Profiles
Choose from 10 realistic browser profiles with matching hardware configurations, or create your own custom profile with the built-in profile creator.
Important Information
This extension provides strong protection but is not 100% foolproof against all fingerprinting techniques
Some websites may detect spoofing and require whitelisting for proper functionality
WebRTC protection may affect video calling services - add them to whitelist if needed
For maximum privacy, combine with a VPN to hide your real IP address
Regular profile rotation recommended for enhanced privacy
Extension operates entirely offline with no data collection or telemetry
Firefox Extension vs Tampermonkey
| Feature | Firefox v6.0 | Tampermonkey v5.3 |
|---|---|---|
| Canvas Protection | ||
| Audio Protection | ||
| WebRTC Blocking | ||
| Font Protection | ||
| Custom Profile Creator | ||
| Options Page | ||
| Statistics Tracking | ||
| Auto-Rotation | ||
| Per-Site Profiles | ||
| Whitelist Support | ||
| Import/Export | ||
| Test Page | ||
| Basic Spoofing | ||
| Floating UI | ||
| Profile Selection |
Who Should Use This
- Privacy-conscious users who want to minimize online tracking
- Security researchers testing fingerprinting techniques
- Users accessing websites from multiple locations
- Anyone concerned about data brokers and ad networks
- Professionals requiring enhanced browsing privacy
- Users who want granular control over their browser identity
Need Help?
For questions, bug reports, or feature requests, visit our GitHub repository or check the comprehensive documentation included with the extension.
Ready to Protect Your Privacy?
Download the Firefox extension for comprehensive protection or use the Tampermonkey version for basic spoofing across all browsers.