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CurrencyX is a live currency converter that pulls real-time exchange rates from the European Central Bank via the Frankfurter API. You get access to 30+ world currencies, historical rate data going back years, and interactive charts that show you how a pair has moved over time. Whether you need a quick USD-to-EUR conversion for an online purchase or want to track the Japanese yen over the past quarter, it all happens right here in your browser.
The ECB publishes reference rates each business day around 16:00 CET. That means the numbers you see here are the same ones banks and financial institutions use as a baseline. Not a "best guess" or a delayed feed from some random aggregator. It is worth noting these are mid-market rates, though. Your bank or payment provider will almost certainly tack on a margin when you actually move money, so treat CurrencyX as a research tool, not a guarantee of what you will pay at the counter.
Pick your source and target currencies from the dropdowns, type an amount, and hit Convert. That is the whole process. The multi-currency overview table below will also update to show you the equivalent amount across all available currencies at once, which is genuinely useful if you are comparing prices across several countries.
Switch to the Rate Tracker tab to see historical charts. You can toggle between 7-day, 30-day, 90-day, and 1-year views. The stats panel gives you the period high, low, average, and volatility, which is helpful if you are deciding whether now is a good time to exchange or if you should wait. The History tab keeps a log of every conversion you run, and you can export the entire list as a CSV file for your records.
The only network request CurrencyX makes is to the Frankfurter API to fetch exchange rates. That is a public, open-source API with no tracking, no API keys, and no user identification. Your conversion amounts, your history, your preferences -- none of that leaves your browser. The conversion history is stored in your browser's local storage, and if you clear it, it is gone for good. We could not retrieve it even if we wanted to.
The European Central Bank publishes new reference rates every working day around 16:00 CET. Weekends and ECB holidays use the most recent available rate. CurrencyX fetches the latest data each time you open the page or switch currency pairs.
No. CurrencyX relies on ECB reference rates, which only cover traditional fiat currencies. Crypto pairs like BTC or ETH are not published by the ECB, so they are not available here.
ECB rates are mid-market reference rates. Banks add their own spread (markup) on top of this, which is how they make money on foreign exchange. The rate you see on CurrencyX is as close to the "real" rate as you will find, but the final amount you receive after a transfer will differ.
This tool pulls exchange rates from the European Central Bank's public API (api.frankfurter.dev), which tracks 30+ fiat currencies but doesn't cover crypto. Crypto prices change every second across dozens of exchanges with different prices on each one — there's no single "official" rate the way there is for EUR/USD. For crypto conversions, dedicated platforms like CoinGecko or CoinMarketCap are better suited since they aggregate prices across exchanges in real time.
The European Central Bank publishes new rates every business day around 16:00 CET. Weekends use the last available rate.
Banks add a spread (markup) on top of the mid-market rate. The rate here is the ECB reference — the true midpoint. Banks add 1–3%, credit cards 1–2%, airport counters 5–10%.
Yes, historical charts show rate movements over time. Useful for accounting, tax filing, or checking past purchase costs.
ECB rates are widely used for commercial transactions. For actual money transfers, confirm the rate with your financial institution.
Yes. Enter an amount in any currency and see the equivalent in all 30+ supported currencies simultaneously. This is especially handy when comparing costs across multiple countries — for example, checking the price of a product listed in USD, EUR, GBP, and JPY all at once. Travelers planning multi-country trips find this particularly useful for budgeting across different destinations without running separate conversions for each currency pair.
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