Key & Tempo Detection

Every track's key, in one click

Find a track’s key, tempo and tuning reference from live audio or an audio file. Key Finder gives you a quick starting point for your session, with manual adjustment and a direct key handoff to Magnitune.

VST3 · AU · AAX · macOS & Windows

  • ✓ Instant Download
  • ✓ Secure Checkout
  • ✓ License Key by Email
  • ✓ Free Updates
Key FinderKey Finder
VST3 · AU · AAX
Plugin Formats
Mac & Windows
Apple Silicon, Intel & Windows 10/11
Lifetime
License & Updates
Instant
Digital Download
Explore the Plugin

Every Control, At a Glance

Hover any point on the interface to see exactly what it does.

Key Finder
Every Control, Explained
1

Undo / Redo

Undo a change or bring it back.

2

Theme

Choose the interface appearance.

3

Bypass

Bypass the plugin.

4

Manual Override

Set the key manually when you want a different choice.

5

Key Display

Read the detected key and scale.

6

Waveform

View the audio being analysed.

7

BPM

See the estimated tempo.

8

A4 Reference

Check the track’s tuning reference.

9

Analyze

Start analysing the incoming audio.

10

File

Load an audio file for analysis.

11

Clear

Clear the current analysis.

12

Send to Magnitune

Send the selected key and scale to Magnitune.

The Features

Discover Key Finder

Start with the track
01

Start with the track

  • Analyse audio playing through your session.
  • Load an audio file for a quick scan.
  • Clear the result when you are ready for another track.
Get the essentials
02

Get the essentials

  • Read the detected key and major or minor scale.
  • Check the estimated tempo.
  • See whether the tuning reference differs from standard pitch.
Keep the session moving
03

Keep the session moving

  • Adjust the result manually when needed.
  • Send the key and scale to Magnitune.
  • Choose the interface appearance that suits your workspace.
Tech Specs

Built for Every Studio

Formats Mac: AU, VST3, AAX · Windows: VST3, AAX
Platform Mac and Windows
Detects Key, scale, BPM, A4 tuning
Audio input Live audio or audio files
Keys 12 keys · Major / Minor
Tempo range 70–190 BPM
File scan First 30 seconds
License 2 machines · yours forever
Delivery Instant download · key by email
MixPilot drives this plugin for you Our companion app hears your session and moves this plugin when you ask — by voice or by typing. MixPilot comes with a Suite subscription or the complete bundle, the two ways to get all 21 plugins. Meet MixPilot
Ready to level up your sound?

Get Key Finder

One purchase. Lifetime license. Free updates forever.

$29.99