Live Age Calculator is a web-based tool that computes a user's exact age in real time, updating continuously down to the second. The application requires only a date of birth as input and displays the age as a live counter that increments with each passing second. No account creation or login is necessary to use the tool, making it immediately accessible upon loading the page. The primary function of the application is to provide a precise, second-by-second age calculation based on the current date and time. The interface presents a single input field for the date of birth and a display area where the age is shown in years, months, days, hours, minutes, and seconds, all updating automatically. The tool does not store any user data or require any permissions, operating entirely within the browser. Typical use cases include checking one's exact age for personal curiosity, verifying age for time-sensitive events, or demonstrating real-time data updates in educational contexts. The workflow is straightforward: the user enters their date of birth, and the counter begins running immediately, showing the age as it changes. The application is built as a single-page web app and can be accessed from any modern web browser without installation. The tool is hosted at age-calculator-rxl.lovable.app and was created by Sachin.