cabbage
Cabbage is a currency converter.
mechanics
It just fetches rates from ExchangeRate-API. Don’t use this if real-time conversion precision is necessary. The response is cached and only refreshed when there’s an updated set of rates available to minimise unnecessary calls.
The URL hash contains the ISO 4217 currency pair and monetary amount joined by hyphen-minus:
convert 100 THB to USD
https://cabbage.avanier.dev#THB-USD-100