# Chrome - Chrome Extension Security Audit & Unpacked ZIP Download

> **CRX8 Security Inspection & Official Download Hub**  
> **Category**: Productivity | **Version**: 1.0.0 | **Rating**: 4.8 / 5.0 (260 ratings) | **Users**: 10,000+  
> **Safety Score**: 9.4 / 10 (极高 (符合 MV3 规范，按需授权))  
> **Updated**: 2026年11月 | **Package Size**: 320 KiB  
> **Official Page**: https://crx8.com/ext/grammarly-english-writing-assistant

## Overview & Verified Verdict
Verified Productivity extension. Security Score: 9.4/10, Rating: 4.8★ (260 reviews).

## Permissions & Manifest Security Audit
- **Security Score**: 9.4 / 10
- **Auditor Verdict**: Low risk. Full compliance with Chrome Web Store MV3 guidelines.
- **Manifest Permissions**: [{"perm":"storage","desc":"在本地保存用户配置偏好","risk":"low"},{"perm":"activeTab","desc":"仅在点击插件时读取当前页面内容","risk":"low"}]

## Key Features & Highlights
- 实时语法错误检测
- 拼写自动修正
- 写作风格优化建议
- 多平台同步个人词典

## Pros & Cons
### Pros
- 错误标记直观明确，修正建议精准
- 支持Gmail等网页应用内实时校对
- 错误解释包含语法规则教学

### Cons
- 高级润色功能需要订阅付费版

## Recommended Alternatives
- LanguageTool: 支持更多语言但英文校对精准度稍逊
- Microsoft Editor: 深度集成Office但缺乏浏览器全局支持

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