Base64 URL Decoder & Opener

Base64 URL Decoder & Opener is a Firefox add-on that allows you to decode a base64 encoded URL and open it in a new tab in the browser. It supports decoding URLs that have been encoded once or twice, making it useful for niche use cases. Simply select the base64 URL, right-click, and choose the appropriate decoding option from the context menu. The decoded URL will then be opened in a new tab to the right, without any additional extraneous functions. It's a simple and straightforward add-on designed for a specific purpose.