Text-to-speech and speech-to-text, using your browser's built-in Web Speech API — nothing installed, nothing sent to a server.
Speech-to-Text needs microphone permission and a secure connection (https) — it won't work when opened as a local file. Text-to-Speech works either way. Chrome/Edge have the best support.
Useful for ad script read-throughs, accessibility checks
Useful for quick voice notes, transcribing a call snippet
The launch funnel, the metrics cheat sheet, and the budget rhythm behind every campaign on this site — one free PDF, no signup.
Knowledge base, not live AI — instant answers