# JSON Viewer Pro - Chrome Extension Security Audit & Unpacked ZIP Download

> **CRX8 Security Inspection & Official Download Hub**  
> **Category**: Developer Tools | **Version**: 1.2.8 | **Rating**: 4.8 / 5.0 (8500 ratings) | **Users**: 1,500,000+  
> **Safety Score**: 9.9 / 10 (极高 (纯本地解析 / 零外部请求))  
> **Updated**: 2026年10月 | **Package Size**: 680 KiB  
> **Official Page**: https://crx8.com/ext/json-viewer-pro

## Overview & Verified Verdict
Verified Developer Tools extension. Security Score: 9.9/10, Rating: 4.8★ (8500 reviews).

## Permissions & Manifest Security Audit
- **Security Score**: 9.9 / 10
- **Auditor Verdict**: Low risk. Full compliance with Chrome Web Store MV3 guidelines.
- **Manifest Permissions**: [{"perm":"webRequest","desc":"检测 application/json 响应头并渲染高亮视图","risk":"功能必须"}]

## Key Features & Highlights
- 自动检测 API 返回的 JSON 响应，秒级完成高亮格式化与缩进对齐
- 支持节点点击展开/折叠、自动统计数组元素个数与对象键数量
- 提供多套主流代码编辑器暗黑/明亮主题（如 Monokai, Dracula, Solarized）
- 内置 JSONPath 表达式查询与一键格式化复制

## Pros & Cons
### Pros
- 极度纯粹轻巧，没有任何广告插件与商业捆绑，响应极为迅速
- 支持超大尺寸（数兆）JSON 文件的流畅无损虚拟滚动

### Cons
- 专注于 JSON 预览，如果需要完整的接口 Mock 或 Header 编辑建议使用 Postman

## Recommended Alternatives
- FeHelper 里面的 JSON 美化: FeHelper 功能更全，而 JSON Viewer 专注于页面直接打开接口时的秒开体验

## Direct Download (Official Google Stream)
- **Native CRX Format (Official Source)**: [Download .crx](https://crx8.com/download/json-viewer-pro.crx)
- **Unpacked ZIP Format (Load Unpacked)**: [Download .zip](https://crx8.com/download/json-viewer-pro.zip)
- **Open Source Repository**: [https://github.com/tulios/json-viewer](https://github.com/tulios/json-viewer)

## 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.