ECB allows download of some rates at:
https://www.ecb.europa.eu/stats/eurofxref/eurofxref.zip
After extracting the CSV from the ZIP file, the following format of 32 exchange rates in Euros are there:
Date, USD, JPY, BGN, CZK, DKK, GBP, HUF, PLN, RON, SEK, CHF, ISK, NOK, HRK, RUB, TRY, AUD, BRL, CAD, CNY, HKD, IDR, ILS, INR, KRW, MXN, MYR, NZD, PHP, SGD, THB, ZAR,
18 December 2018, 1.1377, 127.86, 1.9558, 25.753, 7.4675, 0.89715, 323.11, 4.2848, 4.6467, 10.2760, 1.1281, 139.00, 9.8835, 7.4048, 76.1678, 6.0782, 1.5810, 4.4366, 1.5249, 7.8455, 8.8976, 16472.76, 4.2812, 80.2530, 1284.35, 22.8293, 4.7579, 1.6556, 60.390, 1.5590, 37.277, 16.3106,