Jackrabbit-Jhonson for Chrome is a handy browser add-on developed by cupof. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. This free program allows users to quickly create URL shortening links with expiration times.

With Jackrabbit-Jhonson, users can easily generate short URLs for the current opened page. The unique feature of this add-on is the ability to set expiration times for the generated links. Users can choose from options like "3 minutes" or "1 hour" for the accessibility of the shortened URLs.

This Chrome extension provides a simple and convenient way to create time-limited URLs, which can be useful for various purposes such as sharing temporary links or ensuring privacy. Jackrabbit-Jhonson is a valuable tool for anyone looking for quick and customizable URL shortening with expiration times.