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Tempo & Key Finder

Tempo & Key Finder is a browser-based audio analysis tool that allows users to automatically detect the BPM, tempo, musical key, and Camelot code of a song without requiring a signup. It operates entirely on local audio files, ensuring that filenames and results are never sent to a server.

shipped Sep 21, 2026voicefree
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Tempo & Key Finder - AI tool hero image

Why it matters

1ai
2voice
3writing

About Tempo & Key Finder

Platforms
Web
Target Audience
Musicians, DJs, Producers, Teachers, and Students

Pricing Plans

Free Tier
Free
  • Unlimited runs
  • No signup required
  • Audio stays on device
Open Source

Specs

API Available

Yes, public API

overview

Overview

Tempo & Key Finder is a browser-based audio analysis tool that allows users to automatically detect the BPM, tempo, musical key, and Camelot code of a song without requiring a signup. It operates entirely on local audio files, ensuring that filenames and results are never sent to a server.

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