This is a great site if you need to create reports for tax purposes. This site allows you to import all of your trading history from Bittrex, Binance, Coinbase, and many, many, others. This will save hours of trying to track all of your trades. Once you have all of your transactions uploaded, you can create reports, showing your total gains or losses. This tool can give you an idea of what your tax burden may be. This site is totally free.