Agent Spoofer EN
Agent Spoofer · Firefox
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.
<all_urls>),意味着它可以读取你在任意站点的页面内容,包括已登录的页面。这是许多扩展正常工作的必要条件,但也值得你确认来源可信。
截图
简介
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
navigatorProperties: platform, languages, hardwareConcurrency, webdriver status, etc. - Timezone: Consistently spoof your timezone across various JavaScript APIs (
DateandIntl).
- 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.
Agent Spoofer 是做什么的
Agent Spoofer 是一款面向 Firefox 的开发者工具类扩展,主要用来调试页面、查看样式与请求、测试接口、辅助前端开发。官方对它的介绍是: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.在Firefox 附加组件商店(AMO)上,它当前版本 2025.5.21.2,约 59 名用户。
适合什么人用
从功能定位看,Agent Spoofer 更适合前端工程师、测试与需要经常查看页面结构的用户。如果你平时只是偶尔遇到相关需求,用浏览器自带功能也能凑合;但如果这件事每天都发生,装一个专门处理它的扩展通常比手动操作省事得多。需要注意的是它作用于所有网站,装上后建议先观察一两天,确认不影响常用站点的正常使用。
怎么安装 Agent Spoofer
- 打开Firefox 附加组件商店(AMO)上的官方页面;
- 点「添加到浏览器」并确认权限提示;
- 装好后在扩展列表里固定图标,方便随时开关。
本站只做索引与介绍,安装包来自官方商店。如果商店页面提示当前地区不可用,说明该扩展未在你所在区域上架。
常见问题
Agent Spoofer 是免费的吗?
Agent Spoofer 在Firefox 附加组件商店(AMO)免费提供下载。它是浏览器扩展,装上就能直接用,不需要注册账号。
Agent Spoofer 安全吗?
它只申请了 0 项权限,范围比较克制,没有申请「读取所有网站数据」这种大权限。
Agent Spoofer 支持哪些浏览器?
当前收录的版本来自Firefox 附加组件商店(AMO),适用于 Firefox。同一个扩展在其他商店可能有对应版本,但功能与版本号不一定相同。
怎么卸载 Agent Spoofer?
在扩展管理页找到 Agent Spoofer,点移除即可。它在本地保存的设置会一起清掉,不会残留数据。
权限清单 来自 manifest.json 原文
站点访问 1
<all_urls>
接口权限 4
scriptingstoragewebRequestwebRequestBlocking



