Alt+D and close NSFW tabs is a free Chrome add-on developed by w0rkingc4t0708. This add-on allows users to close tabs that contain NSFW (Not Safe For Work) content with a simple keyboard shortcut. With just a press of the Alt+D keys, users can close any tabs that match the pre-set conditions, such as YouTube and Twitter.

The add-on provides a convenient way to quickly close NSFW tabs without the need to manually search for and close each tab individually. Users can customize the conditions by adding or removing URLs from the extension's options.

Alt+D and close NSFW tabs is a useful tool for those who want to easily maintain a safe browsing environment by quickly closing tabs that may contain inappropriate content. It is available for free on the Chrome platform.

Please note that the developer's contact information is not provided in this review.