v1.0.0 Now Available

Transform Your Browser
With One Click

The ultimate developer tool to spoof User-Agents, bypass restrictions, and test browser compatibility instantly. Secure, lightweight, and undetectable.

Available on Microsoft Edge Addons
> Current User Agent: Chrome/120.0.0.0
> Spoofing as: Edge/120.0.0.0
> Status: Active & Protected_

Why Choose SpoofExt?

Built for developers, privacy advocates, and power users.

Instant Spoofing

Switch between Chrome, Edge, Safari, and mobile user agents instantly with a single click. No browser restart required.

Privacy First

Mask your digital fingerprint. Prevent websites from tracking your real browser, OS, and device details.

Developer Ready

Perfect for testing responsive designs and browser-specific features without installing multiple browsers.

Lightweight

Less than 1MB in size. Zero impact on browser performance. Runs entirely locally with no external API calls.

Auto-Updates

Built-in update checker ensures you always have the latest spoofing rules and security patches.

Cross-Platform

Works seamlessly on Windows, macOS, and Linux. Compatible with all Chromium-based browsers.

Anti-Fingerprinting

Advanced protection against canvas fingerprinting, audio context analysis, and WebGL identification techniques.

Timezone Spoofing

Automatically matches your browser's timezone to your spoofed location or IP address for enhanced anonymity.

Header Modification

Deep packet inspection protection by stripping tracking headers and modifying HTTP request signatures.

Choose Your Installer

Multiple ways to install, optimized for your needs.

Standard Installer
build-installer.nsi
Installation Speed Fast (After Build)
  • Graphical Wizard Source
  • Requires NSIS to Build
  • Start Menu Shortcuts
  • Standard Experience
Download .NSI
Admin Installer
install.bat
Installation Speed Fast
  • Auto-Elevates Rights
  • Installs to Program Files
  • System-Wide Install
  • Simple Double-Click
Download .BAT
Enterprise MSI
build-msi.wxs
Installation Speed Standard (After Build)
  • Group Policy Ready Source
  • Requires WiX to Build
  • IT Admin Compliant
  • Version Tracking
Download .WXS
PowerShell Script
install.ps1
Installation Speed Manual
  • Fully Customizable
  • Transparent Code
  • Browser Selection
  • Best for Developers
View Script

Ready to take control?

Join thousands of users who trust SpoofExt for their privacy and testing needs. Open source and free forever.

Requires Windows 10/11 • v1.0.0 Stable