Agent Spoofer by Agent Spoofer

Agent Spoofer is a powerful and flexible extension for managing and spoofing your browser's identity. Go beyond simple User-Agent switching and take full control over how websites perceive your browser with a comprehensive, profile-based system.

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You'll need Firefox to use this extension

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About this extension

Whether you are a privacy-conscious user looking to reduce your digital footprint, a web developer testing site compatibility, or a security researcher, Agent Spoofer provides the tools you need.

Key Features:

Comprehensive Spoofing: Modify a wide range of browser attributes, including:
- HTTP Headers: User-Agent, Accept, Accept-Language, and more.
- JavaScript navigator Properties: platform, languages, hardwareConcurrency, webdriver status, etc.
- Timezone: Consistently spoof your timezone across various JavaScript APIs (Date and Intl).
Profile-Based Management: Create and manage multiple, distinct browser profiles. Each profile saves a complete set of spoofing rules.
Detailed Profile Editor: A full-featured options page allows you to create custom profiles or edit the defaults. Enable, disable, or change the value of any individual attribute with fine-grained control.
Automatic Profile Rotation: Enhance your privacy by enabling the add-on to automatically select a new random profile from your chosen list every time you start your browser.
Ready-to-Use Defaults: Get started immediately with built-in profiles for popular browsers like Chrome, Edge, and Safari on various operating systems (Windows, macOS, Linux).
Simple Controls: Easily toggle all spoofing on or off with a single click in the popup menu, which also conveniently displays your currently active profile.

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