User-Agent Protector is a Chrome add-on developed by tjyunmai365. It is a free program that falls under the category of Browsers and the subcategory of Add-ons & Tools. This program aims to protect user privacy by spoofing and mimicking User-Agent strings.

When browsing websites, users can switch between different User-Agent strings to protect their privacy. User-Agent Protector provides a convenient interface to manage User-Agent strings and allows users to customize them for specific websites or URLs. By using the Declarative Net Request API, it filters network requests, providing an additional layer of privacy protection for users.

With User-Agent Protector, users can have more control over their online privacy by managing their User-Agent strings and customizing them according to their needs. It is a useful tool for users who are concerned about their privacy while browsing the internet.