Show YouTube Video Upload Date is a Firefox extension designed to enhance the user experience on YouTube by displaying the upload date of videos. This subscription-based tool replaces relative dates with full dates in a customizable format across various pages, including video descriptions, search results, and channel home pages. The extension caters to both free and paid users, with options to show upload times and customize date formats.

In addition to displaying upload dates, the extension also showcases dates for comments, Shorts, and live videos. Paid features further enhance the functionality by allowing users to view the time of uploads and comments, as well as providing options to display dates for suggested videos and in the Watch History. With a user-friendly interface and a monthly subscription of $1 for premium features, this tool is a valuable addition for frequent YouTube users.