Currency Converter
Convert between 150+ world currencies using live exchange rates. Fast, free, runs in your browser.
Advanced — 4 decimals · No fee
What is Currency Converter?
A currency converter converts amounts between world currencies using live exchange rates. ToolCrux supports 170+ currencies including USD, EUR, GBP, JPY, INR, and many more. Rates are fetched from a free API and cached for 1 hour. Exchange rates may be delayed compared to live forex markets—verify with your bank or a financial source for critical transactions.
Real-world use cases include travel budgeting, international e-commerce pricing, freelance invoicing in foreign currencies, expense reporting, and quick comparisons when shopping across borders. Business travelers, online sellers, and anyone dealing with multiple currencies rely on it for fast, free conversions.
How to Use Currency Converter
- Enter the amount you want to convert in the Amount field.
- Select the From and To currencies from the dropdowns (searchable by code or name).
- Click Convert or press Ctrl+Enter. The converted amount appears instantly.
- Use Swap to reverse the currency pair. Stats show exchange rate, inverse rate, fee applied, and rate update time.
- Open Advanced to set decimal places (2–8) or simulate a fee/spread percentage.
Tips & Best Practices
Use Ctrl+Shift+C to copy the result and Esc to clear. The fee/spread option in Advanced helps estimate real-world conversion costs (e.g., bank or exchange markup). Rates are cached for 1 hour to reduce API calls. For non-currency conversions (length, weight, etc.), use our unit converter.
When to Use This Tool
Use the currency converter for travel, e-commerce, invoicing, or any multi-currency calculation. Pair it with the unit converter for measurement conversions, or the percentage calculator for discount or margin math.
Frequently Asked Questions
What is a currency converter?
A currency converter converts amounts between different world currencies using exchange rates. ToolCrux supports 150+ currencies, fetches rates from a free API, and caches them for 1 hour. Note: rates may be delayed; verify for critical transactions.
How do I convert currencies?
Enter an amount, select From and To currencies from the dropdowns, then click Convert. Use Swap to reverse the pair. The converted amount and exchange rate appear below.
Are exchange rates real-time?
Rates are fetched from a free API and cached for 1 hour. They may be delayed compared to live forex markets. For critical transactions (e.g., large transfers), verify rates with your bank or a financial source.
How many currencies are supported?
Over 150 world currencies including USD, EUR, GBP, JPY, INR, and many more. Use the dropdowns to search by code or name. Try our unit converter for non-currency conversions.
Is the currency converter free?
Yes. The ToolCrux currency converter is free, requires no signup, and runs in your browser. Amounts and conversions stay local; only exchange rate data is fetched from an external API.