Spectrogram Maker
See what your sound is made of.
Bring a sound into view.
A voice, a piano note, the world outside your window.
MP3 or WAV · Up to 20 MB · First 30 seconds · Processed on your device
Single-melody pitch detection. Chords and full mixes may need substantial editing.
How to Make a Spectrogram
Choose an MP3 or WAV from your device. DrawMusic analyzes the first 30 seconds in your browser, using a 2048-sample Hann window and a 512-sample hop. Your recording stays on your device.
What You Can Read in a Spectrogram
Time moves from left to right. Frequency rises from bottom to top on a logarithmic scale. Brighter marks show stronger energy. Horizontal bands often reveal held notes and their harmonics; vertical bursts often reveal attacks or percussion.
Export the Image or Convert to MIDI
Download the frequency picture as a PNG. To turn a clear, single-note recording into editable notes, use Audio to MIDI. Dense chords, drums, and full mixes need more correction than a solo melody.