Currency Exchange Rate Converter

Description

A desktop application built using C++ and Qt Framework that provides real-time currency exchange rates. Convert between different currencies with a simple, intuitive graphical interface powered by ExchangeRate-API.

Technologies Used

• C++
• Qt Framework
• ExchangeRate-API.com
• CMake

Features

• Real-time currency exchange rate data
• Simple and intuitive Qt-based GUI
• Convert between multiple international currencies
• Shows conversion 1 unit of source currency to destination currency

How it works

• User selects source currency and target currency from dropdown menus
• Application sends HTTP request to ExchangeRate-API.com
• API returns current exchange rates in JSON format
• Application displays the conversion result

Prerequisites

• Qt 5.x or 6.x installed
• Internet connection (for API access)
• ExchangeRate-API key (you can make one at the official website)

How to run

WIP

About the API

This project uses the free tier of ExchangeRate-API.com

• Free tier allows up to 1,500 requests per month
• No authentication required for basic usage

Limitations

• Active internet connection required
• Exchange rates update frequency depends on API plan
• Limited to currencies supported by ExchangeRate-API

Notes

This project was built to self-learn Qt GUI development and practice API integration in C++

Contributions

This is a showcase project. Contributions are welcome but not expected.