Is "Video (M3U8/MP4/HLS) Downloader Assistant" on Chrome Web Store Safe to Install?
Video (M3U8/MP4/HLS) Downloader Assistant Detect M3U8/HLS/MP4 links on any site, copy them or open in M3U8Player’s online tools for instant playback and downloads. Find, copy, and download video resources faster with Video (M3U8/MP4/HLS) Downloader Assistant — the official companion extension for m3u8-player.net. 🎬 Key Features • Multi-format detection – M3U8/HLS playlists plus MP4, WebM, TS, MOV, MKV direct links • One-click actions – open links in Online Video Downloader, HLS Player, or format converters • Auto-fill support – detected URLs are prefilled on the website’s tools for immediate playback/download • Real-time status – badge counter shows how many resources were captured on the current tab • Quick copy – copy any detected URL to share or process with other apps • Privacy-first – all sniffing happens locally; we don’t log, track, or send browsing data 🚀 How It Works Install the extension and browse to any page with video. The badge lights up when MP4, HLS, or other supported links are detected. Click the toolbar icon to see every resource with format labels. Use “Open Video Downloader” for direct links or “Open HLS Player” for M3U8 streams. The website opens with the URL already filled in so you can download or play instantly. ✨ Perfect For • Capturing M3U8/HLS live streams • Downloading MP4/WebM assets from developer tools • Testing or debugging streaming endpoints • Quickly sending links to M3U8 Player’s free online toolkit • Teams who need a lightweight sniffer without extra permissions 🔒 Privacy & Security • No analytics, tracking, or remote logging • Minimal permissions (webRequest, storage, alarms) • All detection logic runs in the browser’s service worker • Open documentation and clear privacy policy Website: https://m3u8-player.net ———————— 自动嗅探网页中的 M3U8/HLS、MP4、WebM 链接，一键跳转到 m3u8-player.net 工具并自动填入下载/播放。 使用 Video (M3U8/MP4/HLS) Downloader Assistant，即可在浏览器里快速捕获各种视频链接，并和 m3u8-player.net 的在线工具联动。 🎬 核心功能 • 多格式嗅探：支持 M3U8/HLS、MP4、WebM、TS、MOV、MKV 等直链 • 一键操作：直接打开“Online Video Downloader”或“HLS Player”并自动填入链接 • 自动填充：站点工具页会预填 URL，立即播放或下载，无需再次粘贴 • 实时徽章：图标徽章显示当前标签页捕获的资源数量 • 快捷复制：随时复制链接备用或分享 • 隐私优先：只在本地检测，不上传、不跟踪 🚀 使用方法 安装扩展并访问任意含视频的网页 当发现视频链接时，图标会显示数量提醒 点击图标查看所有资源，含格式标签与操作按钮 选择“Open Video Downloader / HLS Player”即可跳转并自动填入链接 或复制 URL，用于其他播放器或脚本 ✨ 适用场景 • 观看/测试直播流或点播 HLS 内容 • 下载 MP4/WebM 素材或备份课堂视频 • 调试开发中的 M3U8、MP4 接口 • 快速接入 m3u8-player.net 的免费在线工具链 🔒 隐私与安全 • 不收集、不上传任何浏览数据 • 仅申请必需权限（webRequest、storage、alarms） • 前端 Service Worker 在本地完成全部嗅探与存储 • 提供公开隐私政策，透明可查 网站：https://m3u8-player.net
Risk Assessment
Analyzed30 security findings detected across all analyzers
Chrome extension requesting 4 permissions
Severity Breakdown
Finding Categories
YARA Rules Matched
7 rules(15 hits)Requested Permissions
4 permissionsAccess and modify data on every website you visit
Intercept, modify, and block all network requests
About This Extension
Detailed Findings
17 totalYARA Rule Matches
7 rulesIndicators of Compromise
Network indicators, suspicious strings, and potential IoCs extracted during analysis
All Indicators · 13
detected Domain: date.now XIOC detected Domain: date.now
extracted_from_files
detected Domain: tab.id XIOC detected Domain: tab.id
extracted_from_files
detected Domain: thumbnail.id XIOC detected Domain: thumbnail.id
extracted_from_files
detected URL: https://m3u8-player.net', XIOC detected URL: https://m3u8-player.net',
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detected URL: https://m3u8-player.net/api/proxy-m3u8', XIOC detected URL: https://m3u8-player.net/api/proxy-m3u8',
extracted_from_files
detected URL: https://clients2.google.com/service/update2/crx XIOC detected URL: https://clients2.google.com/service/update2/crx
extracted_from_files
detected Domain: resources.map XIOC detected Domain: resources.map
extracted_from_files
detected Domain: alarm.name XIOC detected Domain: alarm.name
extracted_from_files
detected Domain: type.id XIOC detected Domain: type.id
extracted_from_files
detected Domain: sender.tab XIOC detected Domain: sender.tab
extracted_from_files
detected Domain: message.data XIOC detected Domain: message.data
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detected Domain: m3u8-player.net XIOC detected Domain: m3u8-player.net
extracted_from_files
detected Domain: clients2.google.com XIOC detected Domain: clients2.google.com
extracted_from_files
Security Analysis Summary
Security Analysis Overview
Video (M3U8/MP4/HLS) Downloader Assistant is a Chrome Web Store extension published by [email protected]. Version 1.2.0 has been analyzed by the Risky Plugins security platform, receiving a risk score of 53.54/100 (MEDIUM risk) based on 30 security findings.
Risk Assessment
This extension presents moderate security risk. Several findings were detected that may warrant attention. Users should carefully review the permissions and findings before installation.
Findings Breakdown
- High: 15 finding(s)
- Medium: 15 finding(s)
What Was Analyzed
The security assessment covers multiple analysis categories:
- Malware Detection: YARA rule matching against 2,400+ malware signatures
- Secret Detection: Scanning for exposed API keys, tokens, and credentials
- Static Analysis: Code-level security analysis for common vulnerability patterns
- Network Analysis: Detection of suspicious network communications and endpoints
- Obfuscation Detection: Identification of code obfuscation techniques
Developer Information
Video (M3U8/MP4/HLS) Downloader Assistant is published by [email protected] on the Chrome Web Store marketplace. The extension has approximately 2K users.
Recommendation
Exercise caution with this extension. Review the detailed findings and ensure the requested permissions align with the extension's stated functionality before installation.
Source Code Not Available
Source code is not available for this version of the extension.
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