Invoice and Receipt Generator

About

This is a fully functional, 100% frontend web application built with HTML, Tailwind CSS, and vanilla JavaScript. It allows users to generate professional invoices and receipts directly in the browser without requiring a database, backend server, or user authentication. Features include a real-time live preview, dynamic line-item calculations, tax and discount adjustments, currency conversion, a built-in digital signature pad, dynamic QR code generation, and direct PDF exporting. The application is PWA-ready, meaning it can be installed as a standalone app on both desktop and mobile devices. It is an excellent utility for freelancers or small businesses and serves as a highly marketable starter kit for developers.