Root key

Message

Encoded notes

As a melody

Or click the piano keys to enter your own melody

Click keys to add notes · Backspace = remove last · Space = rest

Notes entered

Possible letters at each note (G root)

Each bracket shows all letters that note could represent. The cipher is one-way — decoding requires context to identify the intended word.

Root key

Enter note names separated by spaces (e.g. C# G# B C C)

Possible letters at each note

Each bracket shows all letters that could be encoded by that note. Octave numbers optional.

With G as root, each chromatic step maps to multiple letters. Encoding is exact (text → unique note). Decoding is ambiguous by design — context is required to identify the intended word.