Guitar Tool is a chords/lyrics transposer, chord reference, and tuner all in one. Enter in the chords along with the corresponding lyrics and Guitar Tool will recognize the chords and transpose them by the desired number of half steps. You can then email the transposed chords/lyrics if desired. Guitar Tool also includes a tuner and chord reference. You can view the most common guitar chords (major and minor) inside of Guitar Tool as well as tune your guitar easily. Transposing chords/lyrics, helping you tune, and refreshing your chord knowledge, Guitar Tool is an essential to any guitarist.