# Auto Tab Discard - Chrome Extension Security Audit & Unpacked ZIP Download

> **CRX8 Security Inspection & Official Download Hub**  
> **Category**: Productivity | **Version**: 0.6.1 | **Rating**: 4.7 / 5.0 (3800 ratings) | **Users**: 250,000+  
> **Safety Score**: 9.7 / 10 (开源透明 · 极致轻量)  
> **Updated**: 2026年9月10日 | **Package Size**: 340 KiB  
> **Official Page**: https://crx8.com/ext/auto-tab-discard

## Overview & Verified Verdict
Verified Productivity extension. Security Score: 9.7/10, Rating: 4.7★ (3800 reviews).

## Permissions & Manifest Security Audit
- **Security Score**: 9.7 / 10
- **Auditor Verdict**: Low risk. Full compliance with Chrome Web Store MV3 guidelines.
- **Manifest Permissions**: [{"perm":"tabs","desc":"监测标签页闲置时长与状态","risk":"中"},{"perm":"storage","desc":"保存休眠策略与域名白名单","risk":"低"}]

## Key Features & Highlights
- 利用 Chromium 底层原生 Tab Discarding API，只释放内存，不关闭标签与保留标题图标
- 智能白名单规则：播放音频视频、有未提交表单输入、Pin 固定的标签绝不休眠
- 可自定义闲置多久自动休眠（如 10 分钟）以及最多允许常驻活跃标签数量
- 点击休眠标签瞬间秒级原地唤醒，保留原滚动位置

## Pros & Cons
### Pros
- 比市面上其他假休眠扩展稳定得多，不会破坏页面历史与已填草稿
- 内存清理立竿见影，非常适合 8G/16G 内存笔记本长效续航
- 100% 开源无恶意广告

### Cons
- 在离线无网络状态下唤醒休眠标签页可能会提示无法加载

## Recommended Alternatives
- OneTab: 属于主动手动折叠，而 Auto Tab Discard 是全自动后台无感休眠

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