Repo Birthdays is an open source browser extension available for Chrome. Developed by utf9k, this free program falls under the category of Browsers and the subcategory of Add-ons & Tools.

The main purpose of Repo Birthdays is to provide users with information about the age of Github repositories. When visiting a Github repo, this extension adds a badge that displays the creation date of the repo. By querying a publicly accessible Github API endpoint, Repo Birthdays is able to retrieve this information and present it to the user.

With its simple and straightforward functionality, Repo Birthdays offers a useful tool for developers and Github users who are interested in knowing the age of various repositories. It enhances the browsing experience by providing quick access to important information about Github repos.