The official is the Video DownloadHelper installation page . This external software, often called the CoApp , is essential for the browser extension to perform advanced tasks like merging audio and video streams or writing files directly to your hard drive. Official Download Locations by Platform
Advanced users can download the Tarball (.tar.gz) from the official GitHub repository. Why You Need the Companion App video downloadhelper companion app download location
Allowing the extension to save files directly to your preferred folder rather than just the browser's default download directory. The official is the Video DownloadHelper installation page
