Audio to Sheet Music Converter
One conversion, four outputs: an engraved score on the page, a printable PDF, MusicXML for notation apps and MIDI for DAWs. Six audio formats in — MP3, WAV, FLAC, AIFF, OGG, M4A.
Powered by basic-pitch (Spotify Research, open source).
What kind of converter is this?
Most audio converters change containers: the same recording comes out as a different file type. Converting audio to sheet music is a different animal — the recording has to be understood, not repackaged. A neural transcription model estimates every note in the performance, and a notation engine then engraves those notes as readable music.
That is why the output list looks unusual for a converter. You do not get an audio file back; you get notation artifacts: the score itself rendered in the browser, a print-ready copy for PDF, MusicXML — the interchange format every serious notation app reads — and standard MIDI carrying the raw performance.
And it is why conversion quality depends on the recording rather than the format: a clean solo-instrument take converts into a score that is mostly right; a dense band mix converts into a busy draft. The converter is deterministic about formats and honest about music.
Converter features
Six input formats
MP3, WAV, FLAC, AIFF, OGG and M4A are all decoded before analysis — the model sees the waveform, never the container.
Four outputs from one credit
Engraved on-page score, print/PDF copy, MusicXML and MIDI — one conversion covers reading, printing, editing and producing.
Polyphonic conversion
Chords and simultaneous voices convert as simultaneous notes. Melody-only converters flatten music; this one does not.
Key-aware notation
The score carries a detected key signature, so the conversion reads like music rather than a chromatic transcription exercise.
No installs
The whole conversion runs from this page. The only software you might want afterwards is the notation editor you already use.
Results saved to your library
Every conversion is kept with its downloads, so you can come back for the files later.
What converts into what
The full conversion matrix — six formats in, four artifacts out, all from a single credit:
| You upload | You get | Best for |
|---|---|---|
| MP3 / M4A / OGG (lossy) | Engraved score + PDF + MusicXML + MIDI | Everyday recordings, phone captures, downloads — fully supported, slightly noisier drafts than lossless. |
| WAV / FLAC / AIFF (lossless) | Engraved score + PDF + MusicXML + MIDI | The cleanest conversions — nothing was discarded for the transcriber to miss. |
| Any of the above | MusicXML | Editing the score in MuseScore, Sibelius, Finale or Dorico. |
| Any of the above | MIDI (unquantized) | DAW work — the performance with its original timing and dynamics. |
Related: the full guide to reading your converted score is at Audio to Sheet Music; for DAW-first workflows, MP3 to MIDI skips notation entirely.
What people convert
Recordings into practice scores
Convert the version you actually want to learn — not the arrangement a publisher happened to print.
Voice memos into drafts
That 2am idea on your phone converts into notation before it stops making sense.
Session takes into parts
Convert a take to MusicXML, clean it up, and hand out readable parts.
Old projects into archives
Recordings age badly as the only copy of a piece. A score is the durable format.
How the converter works
1. Drop in the audio
Any of the six formats, up to 10 minutes on the free tier. One credit per conversion.
2. Transcribe + engrave
Notes are detected polyphonically, overtone ghosts removed, the key detected, and the score engraved.
3. Collect your outputs
Read the score here, print or save the PDF, and download MusicXML and MIDI.
Converter FAQ
Which format converts to sheet music best?
Lossless formats — WAV, FLAC, AIFF — by a small margin: lossy encoders discard quiet content that is masked by louder content, which is exactly where inner voices live. A 320 kbps MP3 is close behind; low-bitrate files lose noticeably more.
Is this converter really free?
Sign-up is free and includes 10 credits; each conversion costs one credit and returns everything — score, PDF, MusicXML, MIDI. We would rather be plain about that than advertise 'free' and cap you at a 30-second watermarked preview.
Can it convert YouTube videos?
Not directly — it accepts audio files, not links. If you legitimately own or have rights to the audio, download it first and upload the file. For everything else, respect the rights holder.
What's the difference between the MusicXML and MIDI outputs?
MusicXML describes notation — how the score should look: staves, key signature, note spellings. MIDI describes performance — when notes sound and how hard. Edit scores with MusicXML; produce music with MIDI.
How long can the audio be?
Up to 10 minutes per file on the free tier. Longer material converts best split into movements or sections anyway — correction is easier in chunks.
Does the converter change my audio file?
No. Your upload is only analysed; the outputs are new notation files generated from it. The conversion also runs server-side, so an old laptop converts as fast as a new one.
Six formats in. A score out.
Convert a recording and collect the score, PDF, MusicXML and MIDI in one pass.
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