Free MP3 and WAV analyzer that detects musical key, BPM, and Camelot code in your browser
Music data and marketing intelligence for independent artists
Stage
Not given
Startup
Founded
Not given
2026
Based in
Not given
US
Pricing model
Free
Freemium
Pricing
Not given
Opah Core: $0.99/month for first 3 months, then $19/month (3 artists, 1 Niche Playbook); Opah Pro: $4.99/month for first 3 months, then $39/month (10 artists, 3 Niche Playbooks); Opah Suite: $9.99/month for first 3 months, then $89/month (30 artists, 3 Niche Playbooks). Annual billing available at $
Key features
Analyze MP3 and WAV files up to 40 MB and 10 minutes long
Display multiple key candidates with confidence scores
Tap tempo counter for manual BPM verification
Half and Double tempo options to verify different pulse counts
BPM to milliseconds calculator for delay time conversion
Camelot wheel tool for comparing related keys
Browser-based processing with no file upload required
Spotify popularity score (0-100) updated daily
Meta ad archive back to 2020
Instagram, TikTok, YouTube social tracking
Niche Playbook to read up to 6 artists as one market
Audience demographics by city
Smart Links for releases with email capture
Artist comparison on one axis
Song analytics for top 10 tracks
What makes it different
No file upload needed; all analysis happens in your browser for privacy
Shows multiple candidate results instead of forcing a single answer
Free to use with no signup or account requirements
Includes interactive practice tools with synthetic teaching examples
Samples long files from beginning, middle, and end for complete analysis
Tracks every Meta ad since 2020 while competitors do not show this data
Lower pricing than major competitors
Tracks artists silently without following or contacting them
Find Key & BPM
Opah