CurrencyX — Help & Documentation

CurrencyX is a currency converter with live exchange rates from the European Central Bank. It features 50+ currencies, rate tracking charts, conversion history with CSV export/import, and quick conversion pairs.

1. Select "From" and "To" currencies from the dropdowns 2. Enter an amount 3. The conversion happens automatically 4. Use Swap to reverse the currencies 5. Try Quick Pairs for popular combinations

Select currencies using the searchable dropdowns (with country flags). Enter any amount — conversion is instant. The Swap button reverses From/To currencies. Quick pair buttons at the bottom load popular combinations (USD/EUR, GBP/JPY, etc.).

Shows a line chart of exchange rate history for the selected pair. Choose time periods: 7D, 30D, 90D, or 1Y. The current rate and percentage change are displayed above the chart.

All conversions are automatically logged with date, currencies, amounts, and rates. Features: Export as CSV, Import CSV records, Clear All history (with confirmation). History persists across sessions via localStorage.

• Use Quick Pairs for the most common currency combinations
• The Rate Tracker percentage shows rate change over the selected period
• Export history as CSV for spreadsheet analysis
• Converting 0 shows the exchange rate itself

Rates not loading: Check your internet connection. The Frankfurter API requires connectivity.
Stale rates: ECB only updates on business days. Weekend/holiday rates are from the last business day.
History not saving: Check localStorage space in your browser settings.