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![YouTube Video and Audio Downloader', an extension for Firefox that allows you to download video and audio files from YouTube for free - GIGAZINE YouTube Video and Audio Downloader', an extension for Firefox that allows you to download video and audio files from YouTube for free - GIGAZINE](https://i.gzn.jp/img/2019/08/21/youtube-video-and-audio-downloader/snap0001.png)
YouTube Video and Audio Downloader', an extension for Firefox that allows you to download video and audio files from YouTube for free - GIGAZINE
![YouTube Video and Audio Downloader', an extension for Firefox that allows you to download video and audio files from YouTube for free - GIGAZINE YouTube Video and Audio Downloader', an extension for Firefox that allows you to download video and audio files from YouTube for free - GIGAZINE](https://i.gzn.jp/img/2019/08/21/youtube-video-and-audio-downloader/00.png)
YouTube Video and Audio Downloader', an extension for Firefox that allows you to download video and audio files from YouTube for free - GIGAZINE
![Saving a Web Video from Youtube, Vimeo, etc. Using Video Download Helper and Firefox - Moody College of Communication - UT Austin Wikis Saving a Web Video from Youtube, Vimeo, etc. Using Video Download Helper and Firefox - Moody College of Communication - UT Austin Wikis](https://wikis.utexas.edu/download/attachments/121445174/image2018-4-26%2012%3A51%3A5.png?version=1&modificationDate=1524747067000&api=v2)