Six small tools we built for our own studio work. No account, no watermark, no upload limit — just open one and go.
Detect the musical key, tempo and energy of any track.
Runs in your browser — nothing uploaded Open toolSpeed a track up or slow it down without changing its pitch.
Studio-grade processing Open toolTranspose audio up or down in semitones, tempo untouched.
Studio-grade processing Open toolTap along to any beat and read the tempo instantly.
Runs in your browser — nothing uploaded Open toolCut a clean section out of any audio file.
Runs in your browser — nothing uploaded Open toolFlip a sample backwards for risers and transitions.
Runs in your browser — nothing uploaded Open toolMP3, WAV or M4A — straight from your project folder.
Each tool does one job with one control. No manual needed.
Clean audio out — no watermark, no account, no paywall.
Over a thousand royalty-free vocals from real singers, with the key and BPM already listed.
Browse vocals