Description
CurrencyX – Offline-Ready Currency Converter PWA with 172+ Currencies
CurrencyX – Offline-Ready Currency Converter PWA with 172+ Currencies is a modern, installable currency converter Progressive Web App designed for reliability, speed, and privacy. Built using HTML, Tailwind CSS, and JavaScript, with a secure PHP API proxy, it supports real-time conversion across 172+ global currencies, including major fiat currencies and selected cryptocurrencies.
Unlike typical converters, CurrencyX continues to work even without an internet connection, making it ideal for travel, financial dashboards, and low-connectivity environments.
Key Highlights
- Real-time exchange rates powered by OpenExchangeRates
- Works fully offline after first load using PWA and Service Worker
- Converts between 172+ world currencies
- Installable on desktop and mobile like a native app
- Secure PHP backend to protect API credentials
- Fast local caching for instant conversions
- Responsive and modern UI suitable for production use
