Launched this week

Lowkey Audio Engine
High-accuracy offline key & BPM tagger for DJs
3 followers
High-accuracy offline key & BPM tagger for DJs
3 followers
Unlike expensive subscription tools, Lowkey Audio Engine is built strictly for surgical accuracy, speed, and privacy. What makes it stand out: • Superior Accuracy: Outperforms standard DJ software on complex tracks and melodies. • Key Change Detection: Spots mid-song modulations so you never crash a transition. • 100% Offline: Zero cloud uploads. Your unreleased music stays private. • Seamless Workflow: Writes directly to ID3 tags for Rekordbox/Serato. • Pay Once: No SaaS fees.



Hey everyone,
I built this out of pure frustration with the current state of DJ library tools. Right now, if you want to find the true key of a track, you usually have to choose between two bad options: trusting the built-in analyzer in your DJ software (which often fails on complex melodies), or paying for an expensive subscription tool that forces you to upload your files to the cloud.
I just wanted a fast, highly accurate desktop app that runs locally and respects my privacy.
The main focus of Lowkey is the detection engine itself. It doesn't just guess the root key, it spots mid-song modulations and key changes so you never crash a transition on a big club system.
Because it runs 100% offline on your own machine, you can batch process massive crates without relying on an internet connection. Your unreleased tracks, promos, and custom edits stay completely private. Once it analyzes the audio, it writes the harmonic data and BPM right into the ID3 tags, so everything instantly populates the second you open Rekordbox, Serato, or Traktor.
Also, I am completely against the SaaS trend for basic utility tools. There are no subscriptions. You buy it once, and you own it.
I’ll be hanging out in the comments all day, so please let me know what you think, drop any brutal feedback, or tell me what features you want to see added next.