Last updated 06-28-2026
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PureMIDI
PureMIDI is an online MIDI conversion platform that turns audio recordings and sheet music into editable MIDI files for any DAW. Producers, musicians, teachers, and students upload MP3, WAV, or score PDFs in the browser and download standard .mid drafts they can refine in Logic, Ableton, FL Studio, Cubase, and other major tools. New accounts receive 2 free trial credits valid for 14 days.
Two conversion modes cover different jobs. Quick Melody uses Basic Pitch for clean solo instruments and isolated melody lines at 1 credit each. Pro Song runs MT3 on vocals, full songs, and mixed audio, producing multi-track MIDI drafts with separate melody, bass, chords, and drums channels at 6 to 15 credits depending on length.
Beyond audio, PureMIDI also offers sheet music and PDF conversion via score recognition (beta), video-to-MIDI for local MP4 and MOV uploads, and a browser piano-roll editor. Uploaded files are deleted within 24 hours, and the platform states it never trains models on user content.
Built for real production workflows: transcribing hooks and riffs into arrangement sketches, converting student recordings for grading, and turning assigned scores into playable MIDI for ear training. No plug-ins or DAW install required to get started.
Quick Melody runs Basic Pitch on solo lines for 1 credit per conversion
Pro Song uses MT3 to draft multi-track MIDI from full mixes
Accepts MP3, WAV, M4A, FLAC, OGG, WEBM, and AAC up to 12MB
Exports standard .mid files compatible with every major DAW
Sheet music PDFs, MusicXML, and score images convert via beta score recognition
Browser piano-roll editor for quantizing and cleaning MIDI before import
Two conversion modes let you pick Basic Pitch for solo lines or MT3 for full-song multi-track drafts.
New accounts get 2 free trial credits for 14 days with no credit card required.
One-time credit packs never expire, and failed conversions do not consume credits.
Exports standard .mid files that open across Logic, Ableton, FL Studio, Cubase, and more.
Uploaded files are deleted within 24 hours with a stated no-training policy on user content.
12MB upload cap on the free tier limits longer recordings without a paid plan.
Dense full mixes and heavy effects often need manual cleanup after conversion.
Direct YouTube-link conversion is not live; you must upload authorized local audio files.
Does PureMIDI have a free plan?
Yes. PureMIDI gives new accounts 2 free trial credits valid for 14 days with no credit card required. After that, you buy one-time credit packs that never expire. Quick Melody conversions cost 1 credit; Pro Song costs 6 to 15 credits depending on audio length.
What audio formats does PureMIDI support?
PureMIDI accepts MP3, WAV, M4A, FLAC, OGG, WEBM, AAC, and AIFF for audio conversion. Maximum upload size is 12MB on the free tier. Lossless WAV and FLAC generally produce the most accurate MIDI drafts.
Will PureMIDI MIDI files work in my DAW?
Yes. PureMIDI exports standard .mid files that open in Logic Pro, Ableton Live, FL Studio, Cubase, Reaper, GarageBand, Studio One, Pro Tools, MuseScore, Sibelius, Dorico, and other major DAW or notation tools.
What is the difference between Quick Melody and Pro Song mode?
Quick Melody uses Basic Pitch to detect a single melodic line and costs 1 credit. It works best on solo vocals, guitar, bass, or other monophonic parts. Pro Song uses MT3 on full mixes and returns a multi-track MIDI draft with melody, bass, chords, and drums at 6 to 15 credits by length.
Does PureMIDI keep my uploaded audio?
PureMIDI retains uploaded files only long enough to run the conversion and deletes them within 24 hours. The site states it never uses your audio or scores to train models. Paid users can opt in to conversion history that is one-click deletable.
Can PureMIDI convert sheet music PDFs to MIDI?
Yes, in beta. PureMIDI converts PDF sheet music, MusicXML, MXL, and PNG, JPG, or WebP score images into MIDI via score recognition. Standard staff notation for piano, vocals, strings, and ensemble scores is supported at launch.
How do I contact PureMIDI support?
Email [email protected] for conversion issues, billing questions, or partnership inquiries. PureMIDI typically responds within 24 to 48 hours and supports English, Chinese, and Korean.