Audio to MIDI Converter

Convert audio to MIDI quickly for musicians, producers, and educators needing MIDI data from audio tracks.

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About This Tool

This tool converts audio content into MIDI data suitable for immediate editing in a DAW or notation software. It analyzes audio to identify note events and timing, then exports a standard MIDI file that can be refined or rearranged. Conceptually, raw audio is segmented into events, pitched into MIDI notes, and aligned to a tempo grid to produce usable rhythm data. The workflow benefits composers, producers, educators, and students who need a quick transcription workflow without manual score work. Core features include automatic onset detection, pitch tracking, tempo estimation, and MIDI export. The tool supports monophonic basics out of the box and offers an optional polyphonic pipeline for more complex sources at a higher fidelity. Use cases include turning a guitar lick into MIDI for orchestration, converting a drumless loop into a MIDI groove, or generating a teaching reference from a recording. Unique value lies in combining accessibility (online, no install) with a straightforward MIDI output suitable for immediate production or analysis. Post-processing steps such as editing MIDI notes, adjusting velocity curves, or re-assigning channels are supported in downstream tools. This tool is designed for rapid iteration: upload, convert, and download within minutes, enabling fast experimentation and learning across music production, game audio, and classroom settings.

How to Use

  1. Upload an audio file (WAV, MP3, FLAC) to begin the conversion.
  2. Choose conversion mode (mono or polyphonic) and adjust optional tempo or sensitivity if available.
  3. Run the conversion to generate MIDI data.
  4. Download the MIDI file and import into your DAW or notation software.
  5. (Optional) Export a JSON note representation for further analysis or scripting.
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Frequently Asked Questions

Find Quick Answers

What audio formats are supported?
Supported formats include WAV, MP3, and FLAC. Other common formats may be transcoded on upload; the tool focuses on broad compatibility and reliable MIDI output.
How accurate is the transcription?
Accuracy depends on polyphony, tempo, and harmonic complexity. Monophonic melodies tend to be highly accurate; polyphonic material may require manual correction in a DAW or notation program.
Can I process multiple files at once?
Bulk processing may be available in advanced tiers or via batch upload. In basic usage, each file is converted individually in a single session.
Is the uploaded audio stored after conversion?
Uploads are processed for the current session and may be retained briefly for processing. Long-term storage is not guaranteed and preserving privacy is prioritized.

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