Video DownloadHelper (Firefox, Chrome)
JDownloader 2 (Windows, Mac, Linux)
youtube-dl (Windows, Mac, Linux)
Record video online
Using online video download tools is recommended because there is no need to install, software in this area usually contains adware, malware.
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VideoGrabby supports pages: Facebook, SounCloud, Vimeo, Vine, YouTube.
VideoGrabby is the simplest and easiest to understand tool. We recommend using it if you want to download video stream to your computer easily. Just paste the URL of the video you want to download into VideoGrabby, select Record Video (to describe videos in MP4 format) or Record Audio (to download music in MP3 format). The quality is not great, but it's quite good.
In addition, this tool can also download regular YouTube videos, what to do is just paste the video URL to download into the frame on the site only.
These are 2 quite popular add-ons in Firefox and Chrome, support downloading videos on Dailymotion, Facebook, Instagram, Lynda, Twitter, Udemy, Vimeo, YouTube and many other sites.
Using Video DownloadHelper is somewhat easier than VideoGrabby, just that it needs to add settings on the browser for the first time. In addition, it can slow down the browser if you often have to open multiple tabs or install too many add-ons. But this downside seems to be nothing compared to the great videos that Video DownloadHelper brings.
Adding a browser tool such as Video Download Helper will allow you to instantly download the video you are watching, just caught without moving the page or opening another software.
Support almost all websites. You only need to take the URL of any online video watch page or of the video and paste it into the application, it will scan and detect downloadable videos. Now select the video you need and download it.
Although scanning with Virustotal, JDownloader 2 has no virus, but during the installation process, you should pay attention to refuse requests to install additional software on your computer.
Supported sites: Dailymotion, Facebook, HBO, Metacafe, Vimeo, Vine, YouTube and thousands of other websites.
If you are a fan of the command line interface, youtube-dl will be a great tool.
When scanning the download file of youtube-dl on Virustotal, it will not detect the virus, but when downloading on Windows 8.1, the file will be deleted.
If you trust Virustotal, you can turn off antivirus software when downloading the application.
youtube-dl has a wide selection of video quality, parameters, list processing, speed limit for downloading, batch loading, file naming, etc. Up to the present time, this application supports Support formats: 3GP, AAC, FLV, M4A, MP3, MP4, OGG, WAV, and WebM.
If the above tools don't fit your eyes, the final solution is to play videos in full mode, then use screen capture software to record video. This is not a perfect solution, but it seems safe when you are afraid to install third party software.
In addition, it is also possible to use the popular VLC video viewing software to watch and record videos, as long as the live video is obtained.
Specifically: How to record a screen with VLC Media Player?