NOTE: Converting does a call to 3th party 'https://api.frankfurter.dev/v2/rates'.
Values can be pre-filled with fragment in url, e.g. "#?amount=2&from=usd&to=eur"
To embed in an iframe with only button and output, e.g. "#?amount=2&from=usd&to=eur&iframe=true"
Values can be pre-filled with fragment in url, e.g. "#?amount=2&from=usd&to=eur"
To embed in an iframe with only button and output, e.g. "#?amount=2&from=usd&to=eur&iframe=true"
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