Exact BPM Detection, Instantly
Find the precise BPM of any song in seconds. Get accurate tempo detection down to one decimal point, perfect for DJs, producers, and musicians.
BPM & Key Detector
Detect BPM & Key from both youtube and your own files
180 BPMD# Minor
Accurate Song Key Finder
Detect the musical key of any track, including major and minor scales. Get the full scale notes and relative minor key to understand your song better.
Analyze Any Song or Audio File
Use BPM and key detection with MP3 files, WAV files, YouTube links, or live audio recordings. Find the information you need from any audio source.
Built for anyone who makes music
How it works
STEP 1
Upload your track
Upload an MP3, WAV, or other audio file, paste a YouTube link, or record audio directly from your microphone.
STEP 2
AI analyzes your song
The AI analyzes your track to identify its rhythm, tempo, and tonal characteristics. It detects the BPM, musical key, scale, and other important song information.
STEP 3
Get your BPM and key instantly
Receive your results instantly, including BPM, song key, scale notes, relative minor key, and time signature. Use this information for mixing, remixing, music production, or learning songs.
3000+
AI voices
3.2M+
Active users
5.1M+
Songs created
FAQs
All you need to know about BPM & Key Finder.
From Our Blog
How to Write Better AI Music Prompts: Examples, Templates, and Method
Apr 20, 2026
When people use AI music generation as a creative tool, many approach it like a search engine. Write out your lyrics or use a lyrics generator tool, and then for the music you enter a genre, a mood, and a tempo and see what comes back. This tends to require a lot of trial and error, where prompts get tweaked word by word hoping the next result lands closer to the original idea.
Voicemod vs Lalals: Which One Should You Use for Music?
Jan 9, 2026
Voicemod and Lalals both talk about “AI voices,” so it’s easy to assume they’re competing tools. They’re not, at least not in the way most people mean when they ask, “Which one should I use for music?”
AI Music Writer: Can AI Write Songs?
Mar 24, 2026
A half-finished beat, one good hook idea, and no singer or lyric draft – that’s where a lot of songs get stuck. More people now use AI to move past that point and turn rough ideas into something they can actually hear. But can AI really write a full song, or does it just imitate the process without doing it well? In this article, we’ll look at that question in detail.
Analyze Any Song with AI
Find BPM, discover song keys, and understand your music instantly with Lalals AI tools.