YT Tools is a Chrome extension developed by Xemul that allows users to easily open and download YouTube video previews with just a few clicks. As an add-on in the Browsers category, YT Tools provides a convenient way to access and save video previews for offline viewing.

With YT Tools, users can add a "Get Preview" button to the YouTube video page. Upon clicking this button, users are presented with previews of all available sizes of the video and can choose to download them. This feature makes it effortless to find the perfect preview size for various purposes.

In addition to the "Get Preview" button on the YouTube video page, users can also download previews directly through the extension interface. By clicking on the YT Tools icon while on the YouTube video tab, users will find the "Get preview" button conveniently located. This allows for quick and easy access to downloading video previews without any hassle.

YT Tools is a free extension, providing users with a valuable tool for accessing and saving YouTube video previews. Its user-friendly interface and straightforward functionality make it an excellent choice for those who frequently use YouTube and need quick access to video previews.