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Audio and MIDI tools

Start with a recording to get editable notes, open MIDI to make corrections, or generate an audio arrangement. Conversion and Raw MIDI downloads are free. Edited exports and AI arrangements are separate paid options.

Find the tool for your file

MP3 to MIDI converter

Start with an MP3 recording and turn its pitched notes into an editable MIDI draft. Select one clear phrase, compare the detected notes with the original and download Raw MIDI free. A finished song may need an isolated stem first; this tool does not split a mix into labeled instrument tracks.

  • MP3
  • Local conversion
  • Free Raw MIDI
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WAV to MIDI converter

Transcribe a WAV recording without uploading it. A clean solo instrument or voice is a useful starting point; lossless audio alone does not remove accompaniment or room noise. Try the documented example, compare the detected notes with the source and correct any extra notes before using the MIDI in a project.

  • WAV
  • Lossless input
  • Note checking
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M4A to MIDI converter

Use a browser-compatible M4A or AAC recording, including a voice memo, to estimate editable notes. Choose the part you want before conversion and check the resulting pitch and timing. If the file cannot be decoded, export a compatible local audio copy; changing the extension alone will not repair its codec.

  • M4A / AAC
  • Voice memos
  • Browser decoding
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MP4 to MIDI converter

Select a local MP4 with a browser-compatible audio track to transcribe its music into notes. The converter works on the sound, not the video frames, and does not download videos from a link. Pick a short musical phrase and compare the free Raw MIDI with the original audio before editing.

  • MP4
  • Local video
  • Audio track
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Song to MIDI

Work from a song recording when you need a draft of its prominent pitches. Full mixes can create extra notes or miss the part you want. Use a legally available isolated stem when possible, convert a short passage first and keep the original beside the MIDI while checking the result.

  • Song recordings
  • Isolated stems
  • Editable draft
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Piano to MIDI

Turn a piano recording into notes you can inspect in a piano roll or import into a DAW. Use the Piano & Guitar profile for chordal material, then compare attacks, chord tones and sustained notes with the recording. Pedal resonance and overlapping harmonics can still produce errors that need manual correction.

  • Piano
  • Chord checking
  • Piano roll
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Vocal to MIDI

Estimate a sung melody from a vocal recording using the Voice profile. An isolated voice is easier to follow than vocals mixed with instruments. Listen for octave errors, missed soft notes and fragmented slides, then adjust the MIDI. The output contains note instructions, not lyrics or a copy of the singer’s voice.

  • Voice
  • Melody
  • Pitch checking
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Humming to MIDI

Record a hummed idea or choose a recording and turn it into a MIDI sketch. Keep the microphone close enough for a clear signal and sing one note at a time. Check the first note, large pitch jumps and phrase endings before downloading; the transcription remains a draft of your performance.

  • Humming
  • Microphone
  • Melody sketch
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Audio to MIDI walkthrough

Use the shared audio converter with a compact guide to selecting a phrase, checking the notes and downloading MIDI. A documented eight-note example shows why even a simple result needs listening checks. Choose this page if you want the workflow explained without starting from a particular file extension.

  • Audio
  • Worked example
  • Raw MIDI
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MIDI editor

Open an existing MIDI file to inspect notes and adjust pitch, timing or duration. You do not need to transcribe audio again when you already have note data. Preview changes before deciding to export. Edited MIDI and score files are part of the optional paid export pack; editing does not restore a recording’s original sound.

  • MIDI input
  • Note editing
  • Paid edited export
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AI music arrangements

Choose a musical style, listen to a fixed style demo and submit an audio excerpt for a new arrangement. This is a separate cloud generation workflow requiring an account, credits and upload consent. Use audio you have permission to process. It produces audio variations, not an exact MIDI transcription or a guaranteed melody copy.

  • Audio generation
  • Cloud processing
  • Credits
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Not sure where to start?

If you have audio and need notes, use the audio-to-MIDI converter. If you already have a .mid file, open the MIDI editor. For troubleshooting and DAW instructions, browse the guides.

MIDI stores note instructions rather than the original sound. None of these conversion pages guarantees exact transcription of every instrument in a full mix.