Song Key Transposer

Paste your chord progression, pick the number of semitones, and see the transposed result instantly.

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Original
Transposed

How to Use the Song Key Transposer

This free tool lets you transpose any chord progression up or down by semitones. It correctly handles:

What Is Transposition?

Transposing means shifting every chord in a song by the same interval. Moving up by +2 semitones turns C into D, Am into Bm, and so on. This is useful when a song is too high or low for a singer, or when you want to play in a guitar-friendly key with fewer barre chords.