Pricing: Free to read — no sign-up needed.
You came here for an audio to midi plugin. Before you pay, compare the real options below. A web converter handles most one-off jobs with no install: upload, get MIDI back, drag it into your project.
Plugin comparison: audio to midi plugin options and the web alternative
| Plugin / Tool | Form | Engine | Polyphonic transcription | Price | Best for |
|---|---|---|---|---|---|
| NeuralNote (Dr. Audio) | VST plugin | Neural | Free | Budget VST pick; pitch-bend detection | |
| Basic Pitch (Spotify) | Free web app, not a plugin | Neural transcription | Yes | Free | Polyphonic drafts with zero install |
| Samplab | Web app + cloud | Neural | Free tool, no account | Quick browser conversions — verify it's still live | |
| RipX | Standalone app, local | Neural | One-time purchase | Offline work, no subscription | |
| Notegrabber | VST plugin | Paid ("on sale" per user reports) | Users call it the most accurate paid VST they own | ||
| MIDIdock (this site) | Web app, not a plugin | Neural transcription | First conversion is free; sign in for unlimited conversions | Try before you buy a plugin |
No install · No sign-up to try · Runs in your browser. We are not an audio to midi plugin vendor — we run a free web converter.
How to Use
How do I choose and use an audio to MIDI plugin?
Four steps, and you will know within minutes whether a plugin is worth your money.
Step 1 — Decide: plugin or web tool?
Transcribe daily inside your DAW? A plugin earns its price. Convert the occasional riff or vocal? A web tool does it with no install — try the free version above first.
Step 2 — Check the six buying dimensions
Polyphonic accuracy, engine type, pricing model, DAW routing, format coverage, built-in editing — the table and checklist turn them into yes-or-no questions for any vendor.
Step 3 — Test with your own audio
Never buy on a demo video. Run your clearest 20 seconds through the trial: trim silence, pick the cleanest section, expect to nudge a few notes.
Step 4 — Route the MIDI into your DAW
Drag the exported MIDI onto a track, or use direct routing if the plugin supports it. Then assign your own instruments — transcription gives you the notes, not the sound.
Features
What to look for in an audio to MIDI plugin
The checklist reviewers and producers actually use — from published buying guides, not our marketing.
1. Polyphonic accuracy — the single biggest quality difference
Polyphonic accuracy is the single biggest quality difference between tools. Monophonic converters track the loudest pitch and fail on chords; neural transcription estimates which notes sound at each moment, polyphony included. Converting chords? This decides everything.
2. Engine type: pitch-tracking vs neural transcription
Classic pitch-tracking works on clean, monophonic sources like voice or bass; neural transcription is the newer generation and handles harmony. Solo line: old generation is fine. Two notes at once: buy neural.
3. Pricing model: one-time, subscription, or cloud credits
One-time licenses, subscriptions and cloud-credit systems all exist here — know which you're signing up for. Daily users favor one-time; occasional users favor free or credits.
4. DAW routing: direct drive vs export-and-drag
Can it drive your other plugins directly, or do you export a file and drag it around? Real-time routing suits live jamming; for transcription, drag-and-drop is fine.
5. Format and platform coverage
VST3/AU coverage, plus a standalone app if you work outside the DAW. Check your OS and Apple Silicon support — one reviewer's verdict on NeuralNote was essentially "try it yourself". Web tools sidestep all of this.
6. Built-in workflow: piano roll, scale-lock, humanize
Raw MIDI out is fine; a built-in piano roll, scale-locking and humanizing means you finish the idea in one window. Without them, budget cleanup time — or use our free online MIDI editor.
Use Cases
Who actually needs an audio to MIDI plugin?
Songwriters: hum it, keep it
Record a melody on your phone and sing it into a converter — keep the idea as MIDI before you forget it. No instrument, no theory, no note-by-note typing.
Producers: remake and resample
Transcribe a loop, keep its groove, replay it through your own synths. You get the notes, not the sound — the sound design stays yours.
Guitarists and bassists: from riff to score
Record your riff and see what you actually played — polyphonic tools catch double-stops and chord voicings monophonic trackers miss.
Beatmakers: flip one-shots into patterns
Turn a vocal chop into MIDI, then rearrange the notes into a new pattern. One clean sample becomes a kit of melodic material.
Limitations
What an audio to MIDI plugin can't do (and what we don't pretend to do)
No tool perfectly transcribes a full mixed song: dense mixes come back rough, and noise, distortion and baked-in reverb create ghost notes. Reverb and delay are the classic killers — convert the driest source you have.
Plugin vs web: who each is for. A plugin suits daily DAW users who need real-time routing or offline work. A web tool suits occasional converters and test-before-you-pay users. Neither replaces your ears: expect to nudge notes after every conversion.
And we are not a plugin vendor: MIDIdock is a web converter — no VST, no real-time DAW claims. Cloud-dependent tools can die with their servers, so we keep our free tier simple and export plain MIDI files.
FAQ
Audio to MIDI plugin: frequently asked questions
Is this audio to MIDI plugin free?
We don't sell an audio to midi plugin — we run a free web converter. Among real plugins, NeuralNote and Basic Pitch are free per third-party reports.
Can any tool perfectly transcribe a full mixed song?
No. Polyphonic neural tools handle clear material well — a clean piano take, an isolated vocal — but a full mixed song still converts roughly. Treat every converter as a fast draft maker: most notes in seconds, cleanup in your DAW.
Monophonic or polyphonic — which do I need?
Monophonic means one note at a time: vocals, bass lines. Polyphonic means chords and harmony: piano, guitar strums. Classic pitch-tracking handles monophonic sources; for chords you need neural transcription — buying the wrong generation is the most common way to waste money.
Why does my transcription have extra ghost notes?
Noisy or effect-heavy audio produces ghost notes attached to the fundamental tones. Use the clearest section of your sample, trim silence, reduce reverb — then clean up leftovers in a MIDI editor.
Are my files uploaded? Is it private?
No — our web tool runs entirely in your browser. Your files never leave your device.
Will the MIDI work in my DAW?
Yes. The web tool exports a standard MIDI file that opens in Ableton, FL Studio, Logic, Cubase, Reaper and other major DAWs — drag it onto a track and assign any instrument. Plugins instead stream MIDI directly via VST3 or AU routing.
One-time license, subscription, or cloud credits — which should I pick?
One-time licenses, subscriptions and cloud-credit systems all exist in this category — know which you're signing up for. Daily DAW users favor one-time licenses; occasional users are better served by free tools or credits. Beware cloud-tied subscriptions: if the vendor shuts down its servers, the tool can stop working.
Cloud or local processing — what's the difference?
Cloud tools convert on remote servers: no install, but you need internet and trust the vendor's uptime. Local tools and VST plugins run on your machine: offline and private, but need installation and a capable CPU. Our web tool runs entirely in your browser — zero install, and your files never leave your device.
Why does reverb-heavy audio convert so badly?
Sounds baked with a lot of reverb or delay convert poorly — reflections blur note onsets, so the model hears smeared pitch instead of clean attacks. Convert the driest version of your recording, and expect extra cleanup on wet mixes.
Can I sing or hum into it to get MIDI?
Yes — you can sing directly into the app to capture the melody in a MIDI transcription. Record your voice, upload the file, and you'll get the melody as editable notes. Monophonic sources convert the most accurately.
Is it legal to convert a commercial song to MIDI?
Converting audio you own for personal study, practice or arrangement ideas is the common use case. Redistributing someone else's music — even as MIDI — needs the rights holder's permission.
Final CTA
Try the web version before you buy a plugin
Test-drive the conversion free in your browser — no plugin required. If the web version handles your material, you may not need to buy one at all.