Free online music recognition and audio tools for identifying songs, detecting BPM and key, and editing audio in your browser without signing up
Stage
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Founded
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Based in
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Pricing model
Freemium
Free
Pricing
Free: access all catalog songs, add 5 new songs per month, edit charts, songs up to 12 minutes. Song packs: 10 songs ₹49/$2.99, 30 songs ₹99/$5.99, 100 songs ₹249/$12.99 (one-time purchase). FlexChords Pro (coming soon): ₹99/month or ₹799/year ($3.99/month or $29.99/year), includes unlimited songs u
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Key features
Automatic chord detection from YouTube videos and audio files
Real-time synced chord playback
Key and tempo detection
Instant chord transposition
Chart editing and customization
Slow down playback without pitch change (Pro)
Capo suggestions and simplified chords (Pro)
PDF export of chord sheets (Pro)
Multi-engine song recognition with ACRCloud and Shazam fallback
Lyric search to find songs from remembered lyrics
Mood-based song discovery
BPM and musical key lookup by track name
Local audio editing including EQ, speed, pitch, noise reduction, and trimming
Playlist analysis with harmonic mixing order
DJ Set Generator to create playable sets ordered by harmonic key
Music genre identification with style tags
Audio upload from files, URLs, or live recording
Audio-to-MIDI conversion
What makes it different
91% chord accuracy on unseen songs using proprietary model
All catalog songs free to play and transpose
User-editable charts saved to account
Crowdsourced chord library that improves for all users
Built specifically for musicians learning by ear
No sign-up or account required to use any tool
Multi-engine recognition chain tries up to three independent fingerprint databases automatically
All audio editing and analysis runs locally in your browser for privacy
Professional-grade tools including SoundTouch engine and parametric EQ at no cost
Privacy-first design with no data storage or selling
FlexChords
Song Finder