Chord Transposer

Paste a chord progression, choose a semitone shift, and instantly transpose roots and slash-bass notes in your browser.

Chord progression

Transpose by semitones

Accidental style

—Recognizes common A–G chord roots and slash-bass notes while leaving other text unchanged.

How to use this Chord Transposer

Transpose chord names up or down by semitones while preserving common chord extensions. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.