Image Optimizer is a modern and efficient mobile application developed using React Native with Expo, designed to resize and optimize images quickly while maintaining quality. The app provides a smooth user experience and is ideal for developers who want to publish an image utility app or integrate image optimization features into their own projects.

The project comes with Google AdMob integration (Banner & Interstitial ads), making it monetization-ready. The codebase is clean, well-structured, and beginner-friendly, allowing easy customization of UI, ads, and app branding.

This app supports Expo EAS builds for both Android and iOS, making it future-proof and easy to maintain. You can use it as-is or extend it with additional features like format conversion, batch processing, or cloud uploads.

Perfect for developers, freelancers, and startups looking for a ready-made image utility app.

Features

• Resize and optimize images efficiently
• Built with React Native + Expo
• Clean and easy-to-understand code
• Google AdMob integration (Banner & Interstitial)
• Environment-based Ad ID configuration
• EAS build support (Development & Production)
• Lightweight and performance-focused
• Easy to customize UI and app name
• Android & iOS compatible

Requirements

• Node.js (v16 or higher recommended)
• Expo CLI
• EAS CLI
• Basic knowledge of React Native
• Google AdMob account (for monetization)
• Android Studio or Xcode (optional, for testing)

Instructions

1. Install dependencies

npm install
# or
yarn install

1. Create a .env file and add your AdMob details

EXPO_PUBLIC_APP_NAME="Image Optimizer"
EXPO_PUBLIC_ADMOB_APP_ID="YOUR_ADMOB_APP_ID"
EXPO_PUBLIC_BANNER_AD_ID="YOUR_BANNER_AD_ID"
EXPO_PUBLIC_INTERSTITIAL_AD_ID="YOUR_INTERSTITIAL_AD_ID"

1. Update app.json with your AdMob App ID
2. Run the app

npx expo start

1. Build using EAS

eas build --platform android
eas build --platform ios

Tip: Use Google AdMob test IDs during development to avoid policy issues.