MP3 to MIDI Converter & Live Player
Upload any MP3, WAV, or AAC audio file. Listen live with synchronized piano roll tracking, analyze pitch frequencies, and export to standard MIDI.
Drag & Drop MP3, WAV, AAC, or OGG file here
or Browse audio from computer
Extracting pitch envelopes and mapping note events into memory.
Audio to MIDI & Live Listening Guide
Understanding audio codecs, frequency estimation, and MIDI export workflows.
Full Audio Support & Decoding
Whether your track is in compressed **MP3**, lossy **AAC/M4A**, or uncompressed **WAV** format, your browser's native Web Audio decoder handles the stream instantly.
The **Live Listening** feature allows you to monitor the audio playback while simultaneously viewing the detected note sequence move across the piano roll timeline in real time.
MIDI Export Specification
The exported `.mid` files conform to standard Type 0 MIDI architecture. They store note-on, note-off, and velocity commands that load seamlessly into digital audio workstations (DAWs) like Logic Pro, Ableton, and FL Studio.
Frequently Asked Questions
Does live listening work on mobile browsers?
Yes. Modern mobile browsers (Chrome, Safari, Firefox) support Web Audio decoding, though some mobile operating systems require a physical tap on the play button to activate audio output.
Are my audio files uploaded anywhere?
No. All audio decoding, pitch detection, playback, and MIDI file creation occur 100% locally in your browser memory.