How to download a youtube video using youtube

youtube-dl 是一個可以下載 YouTube、土豆網等數百個網站影片的命令列工具，這裡介紹如何安裝與使用 youtube-dl。 youtube-dl 是一個以 Python 所寫成的小工具，適用於各種作業系統，常見的 Windows、Linux 與 Mac OS X 等都可以使用，其原始程式碼亦可從 GitHub 上下載。

套件 youtube-dl 是在 GitHub 上公開的開源軟體，透過終端機 CLI 操作，非常輕量、效率極佳，可以完全依照自己想要的畫質、格式來下載 YouTube 影片。 下載 youtube-dl 請先安裝 Homebrew，安裝方式可以參考最上方的文章連結。

By default youtube-dl tries to download the best available quality, i.e. if you want the best quality you don't need to pass any special options, youtube-dl will guess it for you by default.

youtube-dl是一項開源專案，它可存取上百種影音串流平台的內容 而它是使用Python做為開發基礎的，讓它得以在各式平台上做使用 也同時正因為開源，所以衍生出了以下幾款不同樣式的youtube-dl

youtube-dl is a powerful, open-source command-line program designed to facilitate the downloading of videos and audio from popular video streaming websites. Widely recognized for its versatility, youtube-dl supports a vast array of platforms beyond YouTub

YouTube-dl was a small command-line program you could use to download videos from YouTube as well as other video sites. While the original YouTube-dl is no longer maintained, there's an actively-developed replacement called yt-dlp that works just like

Download speed is much faster than your locally using ytdlp because of server bandwidth is very large. Run ytdlp, youtube-dl, yt-dlp, ytdl, directly in browser, just like you run it in your local computer.