You can find anything on YouTube. It’s quite helpful to download YouTube audios/videos to your device to watch offline, especially when you’re on a flight, trip, or some places without internet access. KeepVid YouTube AudioDownloader is no doubt the bestonline to help you download YouTube audios/videosin an easy and fast way.

Part 1. How to use free YouTube Audio Downloader on Windows?

Paste a video URL (support 1000+ sites) into to the corresponding field, at the top of the page

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Click Download to begin analysis and you’ll see the list with all available options

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Choose the one you need from displayed results and click Download

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Part 2. Features of KeepVid YouTube AudioDownloader:

Compatible with almost all platform

KeepVid works with all devices and platforms, including iPhone, Mac, Windows, iOS, Android, Linux, Firefox, Chrome, IE, Opera, UC Browser, and more. No matter which browser and which device you’re using, you can always have access to this free YouTube Audio Downloader online as long as there is an internet connection.

Free YouTube Audio Downloader

This free online YouTube Audio Downloader is free of charge. More importantly, it puts almost no limit on users. You don’t need to register before your use. During the use, there is no limit to the video size and number that you can download from this KeepVid YouTube Audiodownloader. It is unblocked here. But keep in mind that you’re only allowed to download videos for personal use and with permission from the content creators since downloading copyright-protected videos violates Google’s terms of service.

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Support 4k Resolution

This KeepVid YouTube Audiodownloader supports to download high definition (HD) 1080P videos from all major video streaming sites. Besides, you can also download videos to 720p, 480p, and more with the best YouTube Audio downloader. Watching HD videos from your laptop or mobile device with KeepVidhas never been easier.

Additional Options

KeepVid YouTube Audio Downloader chromeprovides additional options for quality and format. This YouTube Audio Downloader extracts the soundtrack from YouTube videos and allows you to save audios in MP3 format without losing quality. Then you can play saved audios on almost any device since MP3 is regarded as the most frequently used audio format. You can choose to download videos to MP3 and use it as a YouTube to MP3 Converter.

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Happen in Cloud

Software installation is not required here. Registration is not needed either. You just open this YouTube AudioDownloader free and directly begin your download by pasting a video URL. It won’t consume any of your system storage space since everything happens in the cloud. It’s quite convenient and always accessible. when you are on YouTube and decide to download a video you're watching, feel free to use our online YouTube Audio Downloader.

Ultra-Fast Speed

The best YouTube Audio Downloader interface is intuitive and easy to use. You can simply copy and paste a video URL into Keepvid, then click the Download button. Our YouTube Audio Downloader gives you the fastest possible download speed. Download video at ultra-fast speed and get the fastest conversion speed.

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Unlimited free YouTube Audio Downloader

With YouTube audio downloader you can download unlimited videos and from streaming sites and watch them offline. With the KeepVid, you can download multiple videos at the same time. All you need to you are just open the website multiple times and paste the video address into this online YouTube Audio Downloader.

Part 3. How does online YouTube Audio Downloader work?

YouTube download websites determine the location of the FLV file that is served through the YouTube player. It essentially reverses engineers the Java (and now HTML5) that serves the video and gets the source.

It then prompts your browser to start downloading that FLV file, or it converts it in the cloud for you to download in the format you want. All of this is being done with VBScript or Visual Basic and Java.

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How to choose among those possible results?

If you use this KeepVid YouTube Audiodownloader online to download videos, you may find there is a wide range of quality options. Among them, 720p (aka HD) and 1080p (also referred to as FHD or 2K) are perhaps the most frequently used. Then how to choose between them?

The difference between 720p and 1080p is typically very small. There is only a 25% increase in luminance resolution and a 60% increase in the data rate. This difference is incredibly small and much too small for most people to notice. 1080p is better for events with low movement and is watched on bigger screens, while 720p makes sporting and interactive events much easier to watch. If you just watch videos on your mobile phone or tablet, 720p is pretty enough.

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