Fast & Accurate Key and BPM Finder You Need
Discover the musical DNA of any track. Our free tempo and key finder reveals a song's key, tempo, and Camelot value instantly. Upload your audio to get started.
Browse or drag & drop audio files here to analyze your music.
Maximum support 10 minutes, 20MB
Upload Music for FreeTempo and Key Finder Online
Who Needs a Key and BPM Finder?
Our tool is built for anyone who works with music. Get the essential data you need to create, mix, and perform with total confidence.
DJs and Live Performers
Use our song key and bpm finder to build perfectly matched and energetic sets. The Camelot values provided by our BPM key detector make harmonic mixing intuitive and simple.
Remix Artists
Deconstruct any track with our key and tempo finder. Getting the core musical data is the first step to reimagining a song and making it your own.
Music Producers and Beatmakers
Make your samples fit perfectly. Instantly get the tempo and key of any audio loop or acapella to ensure it works in your project. This is a must-have key and tempo finder for your studio workflow.
Musicians and Bands
Want to learn a new track? This tool helps you find key and BPM online, making it easier to practice, write out chords, and play along with your favorite artists.
Get Song Key and BPM
How Our Key and BPM Finder Works
Our three-step process is designed for speed and simplicity.
Drop Your Audio File
Drag one or more audio files (MP3, WAV, FLAC, AIFF) directly onto the page or click to browse your computer.
Instant AI Detection
Our key and bpm detector uses artificial intelligence to scan your audio file right in the browser, with no uploads to a server.
Get Your Music Data
Immediately see the results, including the song's precise Key, BPM, Alt Key, Energy, Danceability, and Happiness.
Song Key and BPM Finder
More Than a Key and BPM Finder: A Music Analysis Powerhouse
Our Key and BPM Finder is engineered to give you a complete musical picture, not just the basics.
Precision You Can Trust
Our AI is trained on millions of songs to provide you with reliable data. Trust this key bpm finder to deliver correct results for professional use every single time.
Comprehensive Music Data
Don't just get song key and bpm. Our tool reveals deeper insights into your audio, including its energy level, danceability rating, and overall mood, helping you curate with precision.
Lightning-Fast Results
No downloads, no delays. This bpm and key finder online works entirely in your browser to deliver results in a flash. Get the data you need, right when you need it.
Bulk Analysis Engine
Why analyze one by one? Our platform is designed to handle multiple files (MP3, WAV, FLAC, or AIFF) at once. Get the key and tempo for your whole playlist in a single, easy step.
Frequently Asked Questions
What exactly is a song key and bpm finder?
A song key and bpm finder is a software tool that analyzes an audio file to identify its musical key (e.g., A minor) and tempo (in Beats Per Minute). The FreeMusic tool does this online, for free.
What's the easiest way to find a song's key and bpm?
The simplest way is to use an online tool like FreeMusic's Key and BPM Finder. You just drag and drop your music file, and our beat key detector shows you the information instantly.
How accurate is your key and tempo finder?
FreeMusic's key and tempo finder is extremely accurate. We use a constantly updated AI model trained on a massive music library to ensure our results are precise and reliable for all users.
What kind of audio files does your tool support?
Our platform supports all major audio formats, including MP3, WAV, FLAC, and AIFF. This makes it easy to find the key and bpm regardless of your file type.
Can I find the key and BPM of any song?
Yes, as long as you have the audio file, you can use FreeMusic's key & bpm finder to analyze it. From popular hits to your own unreleased tracks, our tool can handle them.
What does the "Alt Key" mean in the results?
The "Alt Key" is the track's Camelot Wheel notation. It's a system that simplifies harmonic mixing for DJs by assigning a simple code to each musical key. FreeMusic includes this to help you mix better.
Elevate Your Sound with Key and BPM Finder Today
Stop guessing and start creating with technical precision. Unlock the musical data you need to make every mix, production, and performance your best one yet.