PureMIDI
PureMIDI (puremidi.com) is an AI-powered music transcription platform that converts MP3, WAV, audio recordings, video files, and sheet music into accurate, editable polyphonic MIDI (.mid) files directly in your browser.
Yes, PureMIDI offers a free 30-second AI audio-to-MIDI preview and interactive note editor in the browser on puremidi.com with zero credit card required, while full .mid downloads use affordable one-time credits (no forced subscription).
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Quick Facts: Pricing, Quotas & Architecture
Hands-On Testing: What We Liked & What to Know
- Multi-Source Transcription: Converts MP3, WAV, video files, and even sheet music images into editable MIDI notes.
- Accurate Polyphonic Chord Detection: Captures multi-note piano chords, note durations, and expressive velocity dynamics.
- Free 30-Second Browser Preview: Listen to and inspect the transcribed MIDI accuracy before spending a single credit.
- No Forced Monthly Subscription: Uses simple pay-as-you-go one-time credits for full .mid file exports.
- Downloading the full-length .mid file beyond the 30-second preview uses one-time credits.
- Heavily distorted full-band mixes benefit from stem separation before MIDI transcription.
Hands-On Testing Notes: Is PureMIDI Actually Free?
We tested PureMIDI (puremidi.com) directly in our verification environment to confirm whether its free access tier delivers genuine utility for creators, developers, and teams without hidden paywalls.
Yes, PureMIDI offers a free 30-second AI audio-to-MIDI preview and interactive note editor in the browser on puremidi.com with zero credit card required, while full .mid downloads use affordable one-time credits (no forced subscription).
Verified Workflows & Output Benchmarks
- Producer Sample & Chord Extraction: Drop an MP3 or WAV recording into PureMIDI to extract the exact chord progression for FL Studio, Ableton Live, or Logic Pro.
- Sheet Music & Video to MIDI: Convert performance videos or scanned score pages into playable MIDI tracks.
Competitive Positioning: Where PureMIDI Excels
Unlike legacy FFT converters that produce chaotic phantom notes, PureMIDI uses deep neural pitch-onset models and lets you verify a 30-second preview for free with zero subscription lock-in.