A porn tube is a site that allows for the uploading and playback of pornographic videos. Porn tubes have free content as a pose to premium porn sites that require a subscription.
“Tube” was a term for the television. The website YouTube was created to bridge your personal videos and television. Porn tube sites are like YouTube, only for pornographic content.
Most porn tube sites will allow you to upload your own pornographic videos. They can be amateur videos or videos taken from somewhere else on the internet, though you need to be careful not to upload copyrighted content that goes against a site’s terms of service. Every so often some of the largest porn tube sites such as PornHub delete millions of videos uploaded by users that violate the copyright of models. Some porn tube sites also allow for videos to be downloaded such as SpankBang.
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