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MP3 to MIDI Converter

AI-powered MP3 to piano MIDI converter running entirely in your browser. No signup, no uploads, complete privacy. Built-in piano roll editor to refine notes.

Category:Music & Audio

Tags:#mp3 to midi#audio converter

About the Tool

MP3 to MIDI Converter is a free, browser-based AI tool that transcribes MP3 audio into editable piano MIDI files using the Spotify Basic Pitch model. Upload any MP3 (up to 20 MB / 3 minutes), select the piano-optimized preset, and get back clean note detection with melody, chords and rhythm. Everything runs 100% client-side via WebAssembly, so your audio never leaves your device. A built-in piano roll editor lets you fine-tune notes before exporting a standard MIDI file for any DAW or notation software. Perfect for musicians, producers, songwriters and educators.

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