# xSave - Twitter - Chrome Extension Security Audit & Unpacked ZIP Download

> **CRX8 Security Inspection & Official Download Hub**  
> **Category**: Media & Creators | **Version**: 1.1.11 | **Rating**: 4.9 / 5.0 (510 ratings) | **Users**: 45,000+  
> **Safety Score**: 9.8 / 10 (极高 (仅限 x.com / twitter.com 域名))  
> **Updated**: 2026年10月28日 | **Package Size**: 184 KiB  
> **Official Page**: https://crx8.com/ext/xsave-twitter-downloader

## Overview & Verified Verdict
Verified Media & Creators extension. Security Score: 9.8/10, Rating: 4.9★ (510 reviews).

## Permissions & Manifest Security Audit
- **Security Score**: 9.8 / 10
- **Auditor Verdict**: Low risk. Full compliance with Chrome Web Store MV3 guidelines.
- **Manifest Permissions**: [{"perm":"downloads","desc":"直接保存推文中的最高清视频流与 4K 原图","risk":"low"},{"perm":"storage","desc":"保存文件命名规则偏好","risk":"low"},{"perm":"*://*.x.com/*","desc":"仅在 X / Twitter 页面内运行","risk":"low"}]

## Key Features & Highlights
- 在每条包含媒体的推文操作栏（点赞/转发旁）原生嵌入极简下载图标，毫无违和感
- 自动解析推文视频的多码率 m3u8/mp4 清单，默认直接抓取最高清（1080P/4K）音视频合成流
- 下载图片时自动转换为 `name=orig` 最高原始分辨率画质
- 文件名自动格式化为 `@推主账号_推文ID_日期.mp4`，方便溯源归档

## Pros & Cons
### Pros
- 无需复制推文链接去第三方机器人网站粘贴，浏览时间线时随手一点即存
- 不依赖任何易失效的第三方解析服务器，直接通过当前登录会话提取官方源流，连关注可见的私密推文媒体也能下载
- 支持多语言界面，超轻量零广告

### Cons
- 仅适用于 Web 端 x.com 与 twitter.com

## Recommended Alternatives
- Twitter Media Downloader (老版): 老牌插件在 Twitter 改名为 X.com 并重构前端后经常失效报错，xSave 针对最新 x.com 架构深度维护
- SaveTweetVid 在线网站: 在线网站无法下载需要登录权限的推文视频，且弹窗广告极多

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