MP3 to MIDI
Convert MP3 to MIDI for free in your browser. AI-powered note detection, no uploads, no signup. Preview, edit, and download your MIDI file.

Introduction
What is MP3 to MIDI
MP3 to MIDI Converter is a free online tool that turns MP3 audio into editable MIDI files using AI-powered note detection. How it works Upload an MP3 file, choose the closest audio type (voice, piano, guitar, bass, another solo instrument, a full song, or Not Sure), and the AI transcribes the notes. The entire process runs locally in your browser — your audio stays on your device and is never uploaded to a server. Key Features AI-powered note detection — Detects pitch, timing, and duration, including chords and polyphonic audio 100% browser-based — No uploads, no servers, no signup required Built-in piano roll editor — Move, resize, join, or delete notes with undo, redo, and optional grid snapping Preview before downloading — Compare the original audio with the synthesized MIDI playback Standard MIDI output — Download a .MID file and continue editing in any DAW or MIDI editor Limitations Supports MP3 files up to 20 MB and 3 minutes Works best on solo instruments or clear melodies; full songs are experimental and may need cleanup Who it's for Musicians and producers who want to transcribe audio into their DAW (Ableton Live, Logic Pro, FL Studio, etc.) Music learners who want to see the notes of a song Anyone who needs a quick, private, and free MP3 to MIDI conversion
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