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Currency Converter

Convert between 150+ world currencies using live exchange rates. Rates are cached for 4 hours. All calculations run in your browser.

Your data never leaves your device
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Frequently Asked Questions

  • Where do the exchange rates come from?

    Rates are fetched from the open.er-api.com free API, which provides daily rates for 150+ currencies relative to USD.

  • How often are rates updated?

    Rates are cached in your browser for 4 hours. After the cache expires, fresh rates are fetched automatically on your next visit.