Type fx in the address bar, press space, then type a conversion like 10 USD to PLN. A live suggestion appears with the converted amount; pressing Enter opens a plain result page.
10 USD to PLN
10 USD PLN (word "to" is optional)
USD PLN (amount defaults to 1)
USD/PLN
Decimal separator accepts both . and , (10,5 EUR to PLN)
Rates are Frankfurter's daily reference values (ECB and partner central banks), not real-time market rates.
No API key, no host beyond api.frankfurter.dev is contacted.
lastRequestId guards against race conditions: if you keep typing before a fetch resolves, the stale response is discarded instead of overwriting a newer suggestion.
