MIDIFLOW

What MIDIFLOW is

MIDIFLOW turns recordings into editable MIDI files that you can download and continue working with in music software. It accepts MP3, WAV, M4A, FLAC and OGG files. The browser downloads Spotify’s open-source Basic Pitch model and processes audio on your device rather than sending it to an audio-processing server. After transcription, you can listen to the original alongside a synthesized MIDI preview and adjust the note threshold to exclude quieter or fewer notes. Output may include detected pitches, note timing and duration, velocity, and eligible pitch-bend events. MIDIFLOW provides import guidance for Ableton Live, Logic Pro and FL Studio. The project characterizes the result as a starting point for editing, with dense arrangements less reliable than a single melody. It is free forever at no cost, with no signup, watermark, payment or credit system. Musicians can use the MIDI to change sounds, reharmonize or continue an AI-generated idea in a DAW.

Who it suits

MIDIFLOW suits musicians who want to turn audio into editable MIDI for a DAW, including those working from an AI-generated music idea. It is also a fit for users who prefer local audio processing in a browser.

Limits

There is no signup, payment, credit system or server upload limit. Transcriptions are an editable first pass, with dense arrangements less reliable than a single melodic line; very large files can run out of device memory, especially on phones.

Getting started

1. Open https://audiomidi.org/ in a web browser.
2. Choose an MP3, WAV, M4A, FLAC or OGG recording.
3. Review the transcription against the synthesized MIDI preview and adjust the note threshold if needed.
4. Download the MIDI and follow the site's import instructions for Ableton Live, Logic Pro or FL Studio.

Verdict

MIDIFLOW offers a free, browser-based route from audio to editable MIDI, with preview and note-threshold controls. Its results are an initial pass, and large files or dense recordings may be less suitable.