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Convert between different currencies with real-time exchange rates and historical data.
Unlike most Toolbench tools, this converter fetches live exchange rates from an external API (open.er-api.com). No key is required and no personal data is sent, but the request does leave your browser to retrieve current rates.
This currency converter turns an amount in one currency into its equivalent in another using current exchange rates. Enter a value, pick the currencies you are converting from and to, and read the result along with the underlying per-unit rate. A swap button reverses the direction instantly, which is handy when you want to check a conversion both ways.
Unlike most Toolbench tools, this converter is not fully offline. It fetches live rates from a public exchange-rate service (open.er-api.com) when the page loads, then computes every conversion locally in your browser from those numbers. No API key is required and no personal data is sent — the only network request is the one that retrieves current rates, and the amount and currencies you choose are never transmitted.
Rates are quoted relative to the US dollar and converted through USD as a pivot, so any supported currency can be compared against any other. The fetched rates are cached in memory for the session; press Refresh Rates to pull the latest figures. Because published rates lag the interbank market and exclude bank spreads, treat the results as accurate reference values rather than guaranteed transaction prices.
They are fetched from the public open.er-api.com service each time the page loads. No API key is needed, and only the request for rates leaves your browser — the amount and currencies you pick stay on your device.
The tool retrieves the latest published rates when it loads and shows the update timestamp. Press Refresh Rates to pull newer figures. Published rates typically update daily and lag the live interbank market slightly.
These are reference exchange rates without markups. Banks and payment providers add a spread or fee, so the amount you actually receive in a transaction is usually a little less favorable.
The full list of currencies returned by the rate service is available in the From and To menus, covering major and many minor world currencies quoted against the US dollar.
Not entirely. It needs one network request to download the current rates. Once those are loaded, the actual conversions are calculated locally in your browser without further requests.