Email: zakirsajib@gmail.com
This widget is using exchangeratesapi api to get currency and convert them into Bangladesh Taka (BDT). Currently it has Euro, USD and GBP currency. You can add as many as you want.
To use this widget you need an api key from exchangeratesapi.io which is free.
This widget is tested on high sierra and big sur with iMac and Macbook Pro 2011 model. This widget is highly customizable in terms of Style, Code.