If version 2.1.6 is too broken for modern YouTube, but you hate new software, try these alternatives that mimic the old UX:
To download the YouTube Downloader old version 2.1.6 , you can find the authentic file on archive and legacy APK repositories. This version is primarily known as a legacy Android application for very old devices (running Android 2.2+) or a specific build for early Windows versions. Download Sources for Version 2.1.6 Android (APK): You can download the official YouTube 2.1.6 APK download youtube downloader old version 216 full
builds (e.g., 2.16.1 through 2.16.8) for users who need a specific sub-version of their full downloader. Firefox Add-ons Archive If version 2
YouTube changed its URL structure (e.g., youtu.be short links or &list= parameters). Fix: Only copy the video ID portion. Right-click the video page, select "Copy clean URL." Remove everything after the ?v= code. Example: https://www.youtube.com/watch?v=dQw4w9WgXcQ (works). Truncated links fail. Firefox Add-ons Archive YouTube changed its URL structure
Downloading videos from YouTube may violate YouTube’s Terms of Service or copyright law depending on the content and how you use it. Ensure you have the right to download the material (e.g., your own uploads, Creative Commons content, or explicit permission).