Cowin Booking is a Chrome extension designed to streamline the process of booking Covid vaccine slots on the Cowin portal. By automating the filling of essential form data such as mobile number, state name, and district name, this tool aims to expedite the registration process for users.

To use the extension effectively, users need to install it and click on the "Edit autofill inputs" button located at the top left of the page. They can then input the required information, ensuring correct spellings and capitalization for state and district names. Once the data is saved by clicking on the "Save" button, the extension will automatically populate the fields during the registration process.

For more detailed instructions on how to utilize the extension, users can refer to the provided link. It's essential to review the terms of use before incorporating this tool into the vaccination slot booking workflow.