A BPM and Key Finder Built for DJs, Not Voice Changers
Voice AI's Key and BPM Finder is a side tool on a voice changer platform. BeatKey is a dedicated BPM and key detection suite built specifically for DJs and producers, with Camelot codes, harmonic mixing tools, and 5 companion utilities.
Try BeatKey FreeWhat is Voice AI?
Voice AI (voice.ai) is primarily a real-time AI voice changer and voice cloning platform. It offers a suite of free utility tools alongside its core products, including a Key and BPM Finder that detects the musical key and tempo of an uploaded audio file.
The Key and BPM Finder works, but it is designed as a general-purpose utility, not a DJ or music production workflow tool. It shows key and BPM but does not output Camelot codes, does not link to harmonic mixing tools, and does not connect to any production workflow. BeatKey was built from the ground up for the DJ and producer use case.
BeatKey vs Voice AI Key and BPM Finder
| Feature | BeatKey | Voice AI Key and BPM Finder |
|---|---|---|
| Price | Free (forever) | Free (tool); paid platform |
| Account required | No | No (for the free tool) |
| Primary focus | BPM + Key + Camelot for DJs/producers | Voice changer / AI voice cloning |
| BPM detection | Yes | Yes |
| Key detection | Yes | Yes |
| Camelot code output | Yes | No |
| Interactive Camelot Wheel | Yes | No |
| Chord detection | Yes (Chord Finder tool) | No |
| Delay calculator | Yes (Delay Calculator tool) | No |
| Scale finder | Yes (Scale Finder tool) | No |
| Files stay on device | Yes (browser processing) | No (server upload) |
| Ads | No | No (free tool) |
Why Camelot Codes Matter for DJs
A Camelot code (like 8A or 4B) maps each musical key to a position on the Camelot Wheel. Tracks in adjacent Camelot positions mix harmonically without clashing. Knowing a track is in A minor is useful, but knowing it is 8A tells you instantly that it mixes with 7A, 9A, 8B and more.
Voice AI shows the key name but not the Camelot code. BeatKey shows both, and links to the interactive Camelot Wheel where you can click your detected key to see all compatible mixing keys highlighted. This is the difference between a general-purpose utility and a DJ-focused tool.
Who Should Use BeatKey Instead of Voice AI
DJs who need Camelot codes
Voice AI shows key and BPM but not Camelot codes. If you are planning harmonic transitions, you need the Camelot code. BeatKey outputs the Camelot code with every analysis and links directly to the interactive Camelot Wheel.
Producers building a full workflow
Voice AI's BPM and key tool is standalone with no connected tools. BeatKey is part of a 6-tool suite: after detecting BPM and key, you can calculate delay times, look up chord progressions, find scale notes, and plan harmonic mixing, all in one integrated workflow.
Privacy-first users
BeatKey processes audio entirely in your browser. Your files never leave your device. Voice AI uploads audio to its servers. For unreleased music, client recordings, or anything private, BeatKey is the safer choice.
Users who want a dedicated music tool
Voice AI is a voice changer platform that includes BPM and key detection as a utility feature. BeatKey is purpose-built for DJs and producers with a focused interface, Camelot output, and companion tools tailored for music production workflows.
An Integrated Suite Built for Music Production
BeatKey is 6 free tools designed to work together. After detecting BPM and key, everything else is one click away.
Frequently Asked Questions
What is Voice AI and does it detect BPM and key?
Voice AI is primarily a real-time voice changer and AI voice cloning platform. It includes a Key and BPM Finder as one of its free utility tools, separate from its core voice products. The Key and BPM Finder detects musical key and tempo from uploaded audio files. BeatKey is a dedicated alternative that also adds Camelot code output and an integrated 6-tool suite designed specifically for DJs and producers.
Does BeatKey show Camelot codes?
Yes. Every BeatKey analysis returns the Camelot code (like 8A or 4B) alongside the musical key and BPM. Voice AI's Key and BPM Finder shows key and tempo but does not output Camelot codes. For DJs doing harmonic mixing, Camelot codes are essential for planning transitions. BeatKey also includes an interactive Camelot Wheel at beatkey.app/camelot-wheel.
Is BeatKey free?
Yes. BeatKey is completely free with no account, no subscription, and no ads. All 6 tools in the BeatKey suite are free forever. Voice AI's Key and BPM Finder is also free, but it is one tool in a platform primarily monetized through paid voice cloning and voice changer subscriptions.
Does BeatKey upload my files?
No. BeatKey processes all audio in your browser using WebAssembly. Your files never leave your device. Voice AI uploads audio to its servers for processing. For unreleased music, demo recordings, or client projects, BeatKey is the privacy-first choice.
A BPM and Key Finder That Speaks DJ
BPM, key, and Camelot code in one analysis. Built for DJs and producers, not voice changers. Free, no account, browser-based.
Analyze Your Track Free