FXRatesAPI - Your Gateway to Real-Time Exchange Rates
Modern CSV - A CSV editor/viewer
Fixer.io - Fixer provides a free, simple, and lightweight API for current and historical foreign exchange rates and currency conversion. The API tracks rates published daily by the European Central Bank.
Rons CSV Editor - Rons CSV Editor / Now Rons Data Edit
Freecurrencyapi.com - Freecurrencyapi.com is a free, reliable & feature-complete currency exchange rates API. 32 world currencies & daily update rates.
ReCsvEditor - Csv / Tsv / Delimited file editor. Supports for very large Files.