Lacuna

4 listings we've seen · as of 9 Oct 2026. This is the maker name shown on the store, not proof of who owns the company.

Workflow & Planning

Free audio speed changer and video speed controller with pitch shifter: change speed, shift key ±12 semitones, export WAV.

Tools

Increase volume to 600% on any tab without distortion. Free 10-band audio equalizer, limiter and per-site presets for video & music.

Workflow & Planning

Find the BPM, key, scale & Camelot code of any song. Free, instant, no upload — analysis runs in your browser. For DJs & producers.

Developer Tools

Learn Strudel with an AI coach for the strudel.cc REPL: understand live coding patterns and rewrite code. Lacuna account required.