获取B站bilibili视频封面图 is a Firefox extension designed to enhance the user experience on the Bilibili platform by adding a convenient right-click menu for downloading video cover images. This tool simplifies the process of obtaining thumbnails from videos on Bilibili, allowing users to easily access and save images with minimal effort.

To utilize this extension, users simply hover over the desired video, right-click, and select the option to download the cover image. Upon selection, the thumbnail opens in a new tab, although users may need to enable pop-up permissions for optimal functionality. This straightforward and user-friendly approach makes it a practical addition for Bilibili users.