Currency Thingamajig is a free Chrome app that allows you to convert any currency into another. It is a simple and easy-to-use application that has a minimal UI, allowing you to easily change the currencies. It is the best app for converting currencies and making calculations.

You can easily add any currency you want. There is a list of currencies available in the app. The currencies are as follows: AUD, BGN, BRL, CAD, CHF, CNY, CZK, DKK, EUR, GBP, HKD, HRK, HUF, IDR, ILS, INR, ISK, JPY, KRW, MXN, MYR, NZD, PHP, PLN, RON, RUB, SEK, SGD, THB, TRY, USD, and ZAR.