Gemini Text-to-Speech

Generate natural, expressive speech from text using Google Gemini TTS. Supports 70+ languages, 30 prebuilt voices, and style control via natural language prompts and audio tags.

Requirements: Node.js 18+, ffmpeg, @google/genai npm package, GEMINI_API_KEY env var.

Available Scripts

• scripts/generate-tts.mjs — All-in-one TTS generator with single-request consistency, silence-based splitting, and automatic trimming.

Quick Start

Single text to speech