Visit on your Mac and click the 'Download' button. Go to YouTube and copy the URL of the video you want to download. To download a YouTube video on Mac with Keepvid: Besides, it also serves the function of an audio converter that will extract music or other audio files from a YouTube video for you. You will like it if downloading YouTube videos in different formats and quality is what you need. Keepvid is one of the most popular online video downloader that allows you to download YouTube videos on a computer by inserting the video link into the address bar. Here is Keepvid that works well to get videos from YouTube onto your Mac. Luckily, not all the online YouTube downloaders are that troubling. The tool can't find the video according to the linkĪnd more.The users are redirected to another shopping site.According to my own experience, there are some issues that may occur while using an online tool to save YouTube videos on a computer, including: Honestly speaking, although much convenient, an online YouTube downloader may cause more troubles than a desktop program. How to Save YouTube Videos on Mac Onlineĭon't want to install any software? If so, you may prefer online YouTube video downloaders compared with desktop software.  Download for PC  Download for Mac Method 2.