| What it does | Free MP3 and WAV analyzer that detects musical key, BPM, and Camelot code in your browser
| A library manager for large, owned music collections
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| Stage | Not given
| MVP
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Free trial
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| Pricing | Not given
| Free 30-day trial. Support license: $30 one-time payment, no subscription. All basic features are free.
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| 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
| - Four layouts: Play for DJing with AI mixing, Prep for building sets, Studio for comparing versions, Desk for release management
- DJ Flow automatic mixing with harmonic matching by key and tempo
- Works with Serato, rekordbox, Traktor, Engine, VirtualDJ, Mixxx and Apple Music in both directions
- Writes artwork, lyrics, tags, tempo and beatgrids into audio files
- Find fake bitrates, duplicates and missing files
- Search in plain English for complex queries across the library
- Live FX with echo, roll, filter, gate, crush, flanger and sample pads
- Mini player and menu bar controls
- Smart crates, hot cues, loops and A/B comparison that holds playhead
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| 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
| - Local-first: nothing uploaded, no cloud, no telemetry, no account needed
- Files never moved, renamed or re-encoded; your library stays yours
- Reads existing Music, Serato and rekordbox libraries without altering files
- Metadata embedded in files travels to any other app or machine
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ▲ +1 (up) since last check | 1 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 2 | 22 |
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| Citation Flow (Majestic) | 23 | 18 |
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| Referring domains (Majestic) | 21 | 13 |
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Find Key & BPM