QR Code Generator & Downloader

A simple, fast, and customizable QR code generator built with React Native and Expo.

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Overview

QR Code Generator & Downloader is a cross-platform mobile application built with React Native and Expo.

The application allows users to:

• Generate QR codes from URLs or text
• Customize QR code appearance
• Add a logo inside the QR code
• Download QR codes as PNG or SVG
• Share generated QR codes directly

This app is designed to be simple, fast, and user-friendly.

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Features

• Generate QR codes instantly from text or URLs
• Customize QR code color
• Adjust QR size
• Add logo inside QR code
• Download QR code as PNG
• Download QR code as SVG
• Share QR code image

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Tech Stack

• React Native / Expo – Cross-platform mobile app framework for building Android and iOS apps.

• react-native-qrcode-svg – Generates QR codes as SVG or PNG in React Native.

• react-native-view-shot – Captures a snapshot of a React Native view as an image.

• expo-media-library – Provides access to the device's media library to save or read images.

• expo-image-picker – Allows picking images from the device gallery or camera.

• expo-file-system – Enables reading and writing files in the device’s file system.

• expo-sharing – Provides the ability to share files or images with other apps.

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Installation & Setup

1. Clone the repository

   git clone https://github.com/dainyjose/qr-code-generator.git
   cd qr-code-generator