Audio transcription, stripped back
Turn audio into MIDI. Keep the whole track.
Convert up to five minutes of audio into a complete MIDI file—free, with no account wall and no 30-second cutoff.
- Free
- No sign-up
- 10 conversions / day
- No 30s cutoff
Free converter
Drop in your audio
Private links · server files expire automatically
A clear definition
What audio-to-MIDI conversion does
Audio-to-MIDI conversion analyzes recorded sound and writes detected pitches and timing into MIDI note events. The result is editable data for a DAW or browser editor, rather than another audio file or engraved sheet music.
Read the method and accuracy boundaries →- Input
- MP3, WAV, FLAC, or OGG audio up to 50MB and five minutes.
- Output
- A full-length MIDI file plus a browser piano-roll preview.
- Best source
- One clear instrument, melody, or vocal line with audible note attacks.
- Boundary
- Dense mixes, noise, reverb, and pedal resonance can create extra or missing notes.
How it works
From recording to editable notes
Upload a clear recording, let Basic Pitch transcribe it, then inspect the resulting notes in a browser piano roll before downloading the complete MIDI.
- 01Upload the complete audioChoose one supported file up to 50MB and five minutes.
- 02Wait for the transcriptionYour private upload is sent to Replicate Basic Pitch and the MIDI result is secured.
- 03Preview, edit, or downloadCompare the source with the synthesized MIDI, then download it or open the notes in the browser editor.
Made for useful first passes
Four formats in. One portable result out.
Ready to turn the recording into notes?
No account. No payment details. No short preview.
Straight answers
Before you upload
Is this converter really free?
Yes. You can run up to 10 conversions per UTC day without creating an account or entering payment details.
Do you limit the result to 30 seconds?
No. We process and return the full uploaded track within the product limit of five minutes and 50MB.
How long are my files kept?
The uploaded source is removed after the provider reaches a terminal state. The MIDI result and job record expire within 24 hours. Your browser keeps a local copy of the source only so you can replay it on the result page.
What does an audio-to-MIDI converter produce?
It produces a MIDI file and a note preview that you can inspect or edit. It does not create engraved sheet music or a finished audio mix.
What recordings usually work best?
A clear, isolated instrument, melody, or vocal line usually gives the transcription model more useful note attacks than a dense mastered mix.