YouTube to Mp4 is part of Tubidy set of free tools to download online video and audio (from YouTube, mostly). Tubidy is short for YouTube video to MP4 file converter. It only accepts video URL from YouTube, you can copy one via social Share menu (look for Copy Link option). If not sure what video and how to copy/paste the link - try our search engine. We will accept full or shortened video URL and YouTube shorts URL. Any YouTube user pages, searches, URLs of collections such as channels or playlists are not supported.