Optional: fetches ECB reference rates from Frankfurter in your browser. Not interbank spot; customs may require official sources.

Is data sent to Cool Tool?

Your browser requests Frankfurter directly; we do not store amounts or rates on a server.

How many units of the target currency equal 1 unit of the source currency.

Conversion runs locally; nothing is sent to a server.

Seller Currency Converter

Convert between major settlement currencies with indicative rates (override supported).

Amount

From

Custom rate (optional)

Using offline reference rates.

Default rates are offline estimates. Use “Fetch live rates” for ECB reference data via Frankfurter (requires network).

Choose currencies and amount. Optionally enter a custom rate (1 FROM = X TO).

Live rates?: Optional: fetches ECB reference rates from Frankfurter in your browser. Not interbank spot; customs may require official sources.
Is data sent to Cool Tool?: Your browser requests Frankfurter directly; we do not store amounts or rates on a server.
Custom rate meaning?: How many units of the target currency equal 1 unit of the source currency.
Privacy?: Conversion runs locally; nothing is sent to a server.