Streaming of videos is a fun task, especially when you like a clip and want to save it so that whenever you want you can watch and cherish it. Given that people who may not be very lucky to have a reliable Net connection then for them it is understandable why the process is essential. There are applications and websites that help in saving hard copies of various videos on the Web that you like, but because of the teetering on the edge, they tend to become not too user-friendly. So heres some information on what could be the best to use and what you could filter from the list. There are four categories under which they could be segregated, which are, Firefox extensions, URL-entry websites, software downloads and user-scripts. It is a process weighing if convenience be given an upper hand or power!
URL entry websites- There are sites and tools to carry out this task. After you find a video that you like and might want to save it then you could copy the URL and paste it into a software or application or a site that returns you with a link from where you can download MP4 and FLV versions easily. To get them on your systems desktop, you would need right clicking, saving and the naming the file that youd remember. In some of the utilities even drag and drop feature is present, making the task easier.
Firefox extensions- Many powerful sites are there that work capably for unique URLs. On some sites there you can find small icon that rides along in toolbar and it wakes up each time a page is navigated that contains a video or a clip. Such sites let you download even multiple videos at one go.
User-scripts- Given that you do not want to deal with bookmark, then you could work a little more to get the download button appear on video pages on its own. Download Video, a script that capably works on a good variety of sites is the one to look for. But it seems that there could be some trouble with working on YouTube.
Software or tool- Would you mind installing software on your computer system for this task if you are really serious about it? Some of the applications are paid while some come for free and can be easily downloaded. The ones that are paid might offer free trials so that you get an idea on how capable they are at streaming videos for you. So search and get a YouTube video downloader that works best for you.