# uBlock Origin Lite - Chrome Extension Security Audit & Unpacked ZIP Download

> **CRX8 Security Inspection & Official Download Hub**  
> **Category**: Privacy & Security | **Version**: 2026.3.1 | **Rating**: 4.8 / 5.0 (4820 ratings) | **Users**: 5,000,000+  
> **Safety Score**: 10 / 10 (满分 (100% 开源，默认无需读取网页内容权限))  
> **Updated**: 2026年11月01日 | **Package Size**: 4.85 MiB  
> **Official Page**: https://crx8.com/ext/ublock-origin-lite

## Overview & Verified Verdict
Verified Privacy & Security extension. Security Score: 10/10, Rating: 4.8★ (4820 reviews).

## Permissions & Manifest Security Audit
- **Security Score**: 10 / 10
- **Auditor Verdict**: Low risk. Full compliance with Chrome Web Store MV3 guidelines.
- **Manifest Permissions**: [{"perm":"declarativeNetRequest","desc":"使用浏览器底层原生规则引擎拦截广告请求，不读取页面隐私","risk":"low"}]

## Key Features & Highlights
- 由原作者 gorhill 亲自基于 MV3 重构，100% 开源透明，绝不收钱放行任何广告
- 基于浏览器底层 DNR 声明式接口，平时完全休眠，CPU 与内存占用为 0
- 内置中文过滤规则（CHN: EasyList China），一键屏蔽国内网站弹窗与悬浮广告
- 提供「基础 / 最佳 / 完整」三档权限模式，把隐私控制权完全交给用户

## Pros & Cons
### Pros
- 隐私安全性满分 10.0：默认安装甚至不需要申请访问网站数据的权限
- 网页加载速度提升 30% 以上，彻底告别风扇狂转

### Cons
- 不支持原版极其复杂的动态脚本注入规则，但日常去广告已完全够用

## Recommended Alternatives
- AdGuard 广告拦截器 MV3: AdGuard 同样优秀，但 uBlock Origin Lite 更加极简纯粹、体积更小
- Adblock Plus (ABP): ABP 参与了商业白名单计划且内存占用偏高，强烈建议换用 uBO Lite

## Direct Download (Official Google Stream)
- **Native CRX Format (Official Source)**: [Download .crx](https://crx8.com/download/ublock-origin-lite.crx)
- **Unpacked ZIP Format (Load Unpacked)**: [Download .zip](https://crx8.com/download/ublock-origin-lite.zip)


## How to Install Unpacked Extension (.ZIP)
1. Download the `.zip` archive above and extract it to a local folder;
2. Open Chrome or Edge browser, navigate to `chrome://extensions`, and enable **Developer mode** in the top right;
3. Click **Load unpacked** in the top left, and select the extracted folder to run immediately.