In order to download videos from Youtube there is a need to install an addition software on your system or an extension in your browser. Such applications provides download link in various formats on many websites including Youtube. Simply click on the link and the download will be done by your Google Chrome or a download manager installed on your system.
If you are using Google Chrome, you can go in to the Chrome Store and download an AdBlocks, I am almost sure it blocks YouTube commercials too
You can sign into youtube, using your Google account. A global Google account can be used to log in.
You can download and convert videos using download managers. They are the ones that can convert the videos as well.
You can easily play 240p videos in Google Chrome. They can be played in youtube as well.
Chrome does not automatically download sites. Some files like PDF are made for download.
Use the mozilla or google chrome browser. Goto keep-tube.com and and paste the URL of your youtube video. Then you can download the format you want it be in. Btw, you need to have Java in your PC first. If not, you'll be asked to download it. Cheers!
You do not need much to play songs on Youtube. Chrome plays them just have to reduce the size to 240p.
Google Chrome is a web browser, while Google is a search engine. You can continue using Google while using Google Chrome.
Try using a vpn. For chrome users you can easily download one from the Chrome Webstore.
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You can download "Adblock" an ad blocking software for Google Chrome Directly from Google. If you are using Firefox you can download "Adblock Plus" from the site Mozilla Add-ons.