Online Song Key Finder
Find the Key of Any Song
Just upload your audio file, and our powerful key finder will instantly detect the musical key. Perfect for DJs, producers, and musicians.
Browse or drag & drop audio files here to analyze your music.
Maximum support 10 minutes, 20MB
Upload Music for FreeHow Our Key Finder Works
Upload Your Music File
Drag and drop your MP3 or other audio file. Our song key finder makes it simple.
Wait for Analysis
Our key finder analyzes your song in seconds. It's incredibly fast.
Receive Your Results
View the accurate key of the song, ready for your music projects.
The Best Tool to Find the Key of a Song
Highly Accurate Results
Our key finder algorithm is tuned for precision, so you can always trust the results when you need to find the key of a song.
Incredibly Fast Key Finder
Our song key finder delivers results in under a minute, speeding up your workflow.
Supports All Major Audio Formats
Our MP3 key finder also works perfectly with WAV, FLAC, AAC, and more. If you have the audio, we can find the key for free.
No Download Required
Use our key finder online directly in your browser. No software to install, no sign-up needed. It’s the easiest way to find a key.
Frequently Asked Questions
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Is there such a thing as a key finder?
Ready to Find Out What Key a Song Is In?
Get started now with our free online key finder. It's fast, accurate, and easy to use.
Try Find Key Now