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YouTube Downloader

YouTube Downloader EN

Vidify · Firefox

Instantly download videos from any website in stunning quality! Get your favorite content in up to 4K resolution and choose from multiple file formats. Fast, reliable, and versatile—your essential tool for offline viewing.

3.0/5 8 人评分 981用户 v1.0当前版本
权限提示 该扩展申请访问所有网站(<all_urls>),意味着它可以读取你在任意站点的页面内容,包括已登录的页面。这是许多扩展正常工作的必要条件,但也值得你确认来源可信。

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简介

YouTube Downloader – All-in-One Universal Video Downloader (700+ Sites Supported)

Download videos from YouTube, Instagram, Facebook, Twitter (X), TikTok, Vimeo, Dailymotion, Reddit, Twitch, and 700+ other websites in just one click!

YouTube Downloader is the most powerful, fast, and secure all-in-one video downloader extension that works on ANY website — no extra apps or software required.

Key Features

  • Download from Any Website – Supports 700+ platforms including YouTube, Instagram Reels & Stories, Facebook Videos, Twitter/X, TikTok, LinkedIn, Pinterest, and many more
  • Up to 8K & 4K Ultra HD Quality – Highest resolution available (8K, 4K, 1080p, 720p, 480p, 360p)
  • All Popular Formats SupportedMP4 │ WebM │ M4A │ MP3 │ AAC │ FLAC │ Opus │ OGG │ WAV
  • Audio-Only Download – Extract crystal-clear audio as MP3, M4A, FLAC, etc.
  • Multilingual Downloads – Choose your preferred language/subtitle and download the exact version you want
  • Smart Video + Audio Merge – Automatically merges separate video & audio streams for perfect quality
  • Download Only Audio + Video Separately – Option to get files separately or in a single ZIP
  • Segment/Clip Downloader – Set custom start & end time to download only the part you need
  • Blazing Fast & Secure – No malware, no tracking, regularly updated by a professional developer team
  • 100% Free & No Registration – Works instantly after installing the extension

Why Choose This YouTube Downloader?

  • One extension for all websites – no need for multiple downloaders
  • Works perfectly on Chrome, Firefox, Edge, Opera, Brave
  • Regularly updated to bypass anti-downloader blocks
  • Lightweight, clean interface, zero bloatware

Best YouTube Video Downloader 2025

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Official Websites & Tools

Install YouTube Downloader today and enjoy unlimited video & audio downloads from virtually any site on the internet — faster, safer, and in the highest quality possible!

Download Now & Start Saving Videos in Seconds!
100% Free | No Signup | Works on All Devices

YouTube Downloader 是做什么的

YouTube Downloader 是一款面向 Firefox 的下载管理类扩展,主要用来接管浏览器下载、批量抓取资源、加速大文件。官方对它的介绍是:Instantly download videos from any website in stunning quality! Get your favorite content in up to 4K resolution and choose from multiple file formats. Fast, reliable, and versatile—your essential tool for offline viewing.在Firefox 附加组件商店(AMO)上,它当前版本 1.0,评分 3(8 人评价),约 981 名用户。

适合什么人用

从功能定位看,YouTube Downloader 更适合经常下载视频、素材或整站资源的用户。如果你平时只是偶尔遇到相关需求,用浏览器自带功能也能凑合;但如果这件事每天都发生,装一个专门处理它的扩展通常比手动操作省事得多。需要注意的是它作用于所有网站,装上后建议先观察一两天,确认不影响常用站点的正常使用。

怎么安装 YouTube Downloader

  1. 打开Firefox 附加组件商店(AMO)上的官方页面;
  2. 点「添加到浏览器」并确认权限提示;
  3. 装好后在扩展列表里固定图标,方便随时开关。

本站只做索引与介绍,安装包来自官方商店。如果商店页面提示当前地区不可用,说明该扩展未在你所在区域上架。

常见问题

YouTube Downloader 是免费的吗?

YouTube Downloader 在Firefox 附加组件商店(AMO)免费提供下载。它是浏览器扩展,装上就能直接用,不需要注册账号。

YouTube Downloader 安全吗?

它只申请了 0 项权限,范围比较克制,没有申请「读取所有网站数据」这种大权限。

YouTube Downloader 支持哪些浏览器?

当前收录的版本来自Firefox 附加组件商店(AMO),适用于 Firefox。同一个扩展在其他商店可能有对应版本,但功能与版本号不一定相同。

怎么卸载 YouTube Downloader?

在扩展管理页找到 YouTube Downloader,点移除即可。它在本地保存的设置会一起清掉,不会残留数据。

权限清单 来自 manifest.json 原文

站点访问 2

  • *://*/*
  • <all_urls>

接口权限 7

  • activeTab
  • downloads
  • proxy
  • storage
  • tabs
  • webRequest
  • webRequestBlocking

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