Downie Overview

Ever wished you could save a video from the Internet? Search no more, Downie is what you’re looking for. Easily download videos from thousands of different sites.
Features of Downie

   Supports many sites – currently supports over 1,000 different sites (including YouTube, Vimeo, etc.) and the number is rapidly growing.
   4K video YouTube support – unlike many other YouTube downloaders, Downie supports HD video on YouTube, up to 4K.
   Postprocessing – need your video in MP4 for iTunes? Or want just the audio track? No problem, Downie can handle this for you automatically!
   Quick support – I respond to emails usually within 24 hours and often add support for requested sites in the next update.
   Frequent updates – Don‘t wait weeks for new sites to be supported, or bugs to be fixed! Downie is updated about once a week with new features, sites supported, etc.
   International – not only that Downie supports country-specific sites, it is localized into various languages.

VirusTotal Results:
DMG:
https://www.virustotal.com/gui/file/3c187a322559718e7ae86c22ef5f416455feeab30e8b1773076098de9515708a/detection