the lab.

Instruments for the craft. No subscription. No limits.

essential tools. zero fluff.

Perfect rhymes, near rhymes, multi-syllabic stacks. Type any word. Get back 200+ options instantly.

Paste your lyrics. Get instant bar count, syllable density, and structure analysis. No more 15-bar verses.

Upload your acapella. Get timing visualization, pocket drift detection, and breath pattern feedback.

Get 10 track titles based on your theme.

Interactive metronome with swing settings.

Rap-specific thesaurus. Street synonyms.

Break any word into rap-ready syllables.

— M. Hayes (producer, engineer)

All tools are free. Forever. No login required for most.