Smart Invoice Generator is a clean, fast, and fully responsive browser based billing tool that allows users to create professional invoices instantly. Built with pure HTML5, CSS3, and vanilla JavaScript with no backend or database required it runs smoothly on any hosting and works directly inside the browser. It is designed for freelancers, small businesses, agencies, and anyone who needs a simple and reliable way to generate invoices within seconds.
Users can add items, set quantities, apply tax and discounts, customize business details, download invoices as PDF or print them instantly. Everything is handled client side making this tool extremely lightweight, secure, and easy to integrate on any website.
index.html style.css and script.js are in the same directory.