Text Converter with UPI Payment

A web application that converts user-provided text to uppercase, sends a link via email, and includes a UPI payment option that accepts Indian UPI payments.

Features

• React.js frontend with animations (using Material-UI and Framer Motion)
• Node.js + Express backend
• Email sending functionality using Nodemailer
• UPI deep linking for payment (works on mobile devices)
• QR code generation for desktop users
• JWT-based secure links
• Mobile responsive design

Project Structure

project/
├── client/             # React frontend (Vite)
│   ├── src/
│   │   ├── components/
│   │   │   ├── HomePage.jsx
│   │   │   ├── PaymentPage.jsx
│   │   │   └── SuccessPage.jsx
│   │   ├── App.jsx
│   │   ├── App.css
│   │   └── main.jsx
│   └── package.json
├── server/             # Node.js backend
│   ├── index.js        # Express server
│   ├── .env            # Environment variables
│   └── package.json
└── README.md

4. Live Link

Link: TEXT CONVERTER

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5. Screenshot of the Interface

Prerequisites

• Node.js (v14+)
• npm or yarn
• A Gmail account for sending emails
• Your UPI ID for receiving payments