Important news: Recently, YouTube has rolled out a series of changes to retard the download from the video site. As a result, many downloader tools such as 4K video downloader, Clipgrab, Realplayer and more encountered errors, such as "Error. Unknown site", "Can't parse this link. Please send it to our support and we'll check it" and more, but MacX YouTube Downloader successfully parses the YT link and makes downloading as easy as possible.
If you are looking for a free online video downloader which supports downloading any video online from any site using URL, you definitely can not miss VidPaw Online Video Downloader. VidPaw is able to convert videos from YouTube, Vimeo, Instagram, Facebook and so on to many formats like MP4 in high quality. No software is needed and easy to use on both Windows and Mac.
You just need to copy page URL, or right click on the video to select "Copy video address", then paste the URL into the search box of Distill Video (http://distillvideo.com) and press “Start” button. After waiting 2-3 seconds, the video section showed, choose your preferred format and right click the "Download" button, then click "Save link as..." to download the video or audio into your computer or phone.
Not to be confused with the unrelated "pro" above, Video DownloadHelper supports a huge number of sites—even those for adults. You'll know a video is downloadable when the icon for the extension animates when you're on the webpage. Video DownloadHelper for Chrome has stopped working with YouTube—so it could get placement in the Chrome Web Store. You can get around that by using the Video DownloadHelper extension for Firefox. The developer has a Kiva initiative page, where it prefers you donate funds to those in need, which has raised over $137,700.
5K Player also features DLNA server playback so videos you grab can be watched on any devices on your home supporting DLNA network; it supports AirPlay for quick playback to supported devices. Pick a video in the library and you can do a quick conversion to MP4, MP3, or even ACC (an audio format preferred by iOS devices). The player didn't like playing back the overly large 4K file though and experienced buffering issues—VLC didn't have any problem with the same file. Ultimately, there's a lot to like about 5K Player, from the price to the features, especially if you look at them as extras on a downloader. But the interface and playback issues may have you looking elsewhere.

DistillVideo supports to run in any browser accross any platform, regardless of whether you are using Windows, Mac or Linux, Android, iPhone. Provide audios/videos in full file formats including MP4, AVI, MP3, WEBM, FLV, 3GP, M4A, etc. It also supports HD videos of 1080P, 2K, 4K and 8K. It can convert any online video to MP3 for free (free MP3 converter). Subtitles can be extracted and downloaded as well. No need to install any annoying softwares or apps that may infect your computer or android phone. It is the best and free downlowder to download any video from any site using url online.
If you're willing to do more about the offline YouTube videos, you can try the its advanced version - MacX Video Converter Pro. Comparing with MacX YouTube Downloader, It not only allows you to download YouTube SD/HD/4K videos on Mac, but also convert them to all general-purpose formats, and common devices profiles, edit the downloaded YouTube videos, record screen videos from both desktop and iPhone, or capture videos with webcam. Besides, if you have DVD sources, you can also take advantages of this program to rip DVD to any formats and devices, or make a backup of your DVD movies without any quality loss.
Normally it takes around 1 second to extract the downloading url for videos like Youtube, for some videos it make take longer, but no more than 5 seconds. If the extracting process takes more than 5 seconds, you better check the settings of your browser, sometimes it is due to the extension like "uBlock Origin". The speed will be greatly enhanced after disabling such extensions. Otherwise, just clear the cookies of the browser, the problem will be solved most of the times.
I keep copies of all my uploaded videos to YouTube on an external hard drive but most people don't do this. You run the risk of losing all your hard work should YouTube terminate your account. Google Drive makes it easy to backup all the current videos on your YouTube channel. It also makes video management very simple. You can preview your videos within Google Drive or download them at any time.
In a recent allegation, YouTube, the biggest video-sharing platform, was accused of failing to follow the regulations prescribed by the act. They were found guilty and were forced to pay a settlement of 170 million dollars to the New York Attorney General and FTC for the violations. They were also asked to take measures in order to prevent further violations of the act. Thus, YouTube has asked for a revamping of its guidelines, demanding the YouTubers to tag their creations according to their targeted audience, which should later be approved.
Step 1:   Free download YouTube video downloader on Mac iMac Pro, Macbook Air/Pro or Mac Mini and install it, copy the URL of the video page. find a video you'd like to save offline, then paste the URL and click "analyze" to load the YouTube video details. Or click "paste & analyze" button to automatically detect the YouTube video opened in browse.

This rule, to be carried out this month, applies to all the YouTubers, regardless of their location or their content (even if it is directed towards a mature audience). This sudden declaration has caused quite a big conundrum in the virtual world. According to the rule, YouTube can demonetise the content of YouTubers who fail to follow it and might even get fined.
Step 1:   Free download YouTube video downloader on Mac iMac Pro, Macbook Air/Pro or Mac Mini and install it, copy the URL of the video page. find a video you'd like to save offline, then paste the URL and click "analyze" to load the YouTube video details. Or click "paste & analyze" button to automatically detect the YouTube video opened in browse.
Updated: YouTube no longer supports 4K video player in Safari according to the feedback from Reddit users. This is because of the VP9 video codec problem that safari doesn't support. So Mac users won't access to 4K video on YouTube in native 2160p resolution until Apple updates Safari to support VP9 codec. Or they can turn to another 4k video player like 5KPlayer or YouTube downloader for Mac to capture the 4K videos for viewing offline.
MacX YouTube Downloader helps you out of the dilemma, letting you download YouTube videos (HD/4K) on Mac free, thus you can save and watch your favorite videos offline, even if you are thwarted by the lack of Wi-Fi, restrictive data plan or sudden video disappear from YouTube. The free YouTube video downloader for Mac has been highly awarded by big tech giants like CNET, receiving 3.5 stars. It stands out from the rest largely due to it's free, safe but powerful in downloading any kinds of online videos like 360 degree VR videos, 4K/8K UHD, 3D videos, HD videos, Blu ray movies, TV shows, music, etc in whateverformat (MP4, FLV, WebM, 3GP, etc.). Its user-friendly interface will guide you to grab videos from YouTube on Mac without consulting any tutorials or user guide, no matter you are an experienced user or a newbie.
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