Share-on-Nostr is a free Chrome browser add-on developed by penpenpng. It falls under the category of Browsers and is specifically categorized as an Add-ons & Tools subcategory. The main purpose of this add-on is to provide users with a convenient way to share the URL of an active tab on Nostr.

With Share-on-Nostr, users can quickly share the URL of the webpage they are currently viewing on Nostr. Whether it's sharing interesting articles, videos, or any other web content, this add-on simplifies the process by allowing users to directly share the URL without any hassle.

One of the key features of Share-on-Nostr is its ability to work seamlessly with other NIP-07 extensions, as well as with users' raw nsec or external web clients. This provides users with flexibility and convenience in choosing their preferred method of sharing.

Overall, Share-on-Nostr is a useful Chrome browser add-on for those who frequently use Nostr and want to easily share URLs with others. Its simplicity and compatibility make it a valuable tool for efficient URL sharing.