VideoSnipper автор Nice丶Lee

VideoSnipper is a Simple, Free Video Downloader basing on WebExtensions API. It caches the video source in the html page, and you can do follows through the Addon:

• Copy the video source to the system Clipboard, so you can do whatever you like, such as sharing the video source or downloading in other devices
• Download the video source with FireFox default Downloader

How to use:

• Step 1. Visit the page you enjoy the video
• Step 2. Play the video (Mostly unnessesary, just do this if failed in Step 3)
• Step 3. Click/Tap the button of this Addon in tool bar( Top-right the FireFox Window on PC, in menu displayed after tap the Top-right Button on Phone)
• Step 4. You will receive a notice if source exists, and the link copied and download task auto set

* You can change the default action in the Config page if you don't need to Copy/Download/Alert.
* You can get the code at https://github.com/nICEnnnnnnnLee/VideoSnipper
Update log:

Version 2.3
• Provide the function to open the embed pages if failed at current page, you can do things again in the new pages and then most likely susucceed.
• If you find puzzled with the new feature, just disable it in the config page, and things will act as it did in Version 2.2.
Version 2.2
• Add Config to decide whether to alert, copy and download onClick the Addon button
Version 2.1
• Minimize the requied Permission "tabs" to "activeTab"
• Cut the Permission "notifications", using default js function "alert" instead
• Trans the url from to Relative URL to ABS URL