Chords Translate is a tool that allows you to change the pitch of a song. This change is convenient to adjust your voice tone to the pitch of a song.
As well Chords Translate also allows you to calculate the fret guitar where a capo can be placed to make easier the interpretation even maintaining the original pitch of the song.
You can add tablatures of songs that interpreters often, so keep his chords. And then you can adjust the pitch of the song that suits you more comfortable.