Find out what key any song is in, free.
Your file. Your browser. Nothing uploaded.
Yes, 100% free. No sign up and no limits.
No. Your song never leaves your device. The analysis happens right in your browser, so it stays private and works on unreleased tracks, beats and demos too.
Drop the song in the box. In a few seconds it shows the key, like A minor, plus the Camelot code and BPM.
Singers use it to pick songs that fit their voice, producers use it to write melodies that match a sample, and DJs use it to mix songs that sound good together.
Yes. Use our Pitch Shifter to move a song up or down in key without changing its speed.
Any audio your browser can play: MP3, WAV, M4A, FLAC, OGG and more.
This free song key finder listens to your file and tells you the musical key. It checks which notes appear most and matches them to all 24 major and minor keys.
It works on MP3, WAV and more, including beats, samples and songs that aren't released yet. Producers often use it to find the key of a sample before writing on top of it.
We hope you enjoy using our free song key finder! Consider donating to keep the site running here: Donate