Kokoro Web

What is Kokoro Web?

Kokoro Web is a 100% free and open-source AI voice generator that transforms text into natural-sounding speech directly in your browser. Built with cutting-edge deep learning models, it offers a seamless text-to-speech experience without any hidden costs, subscriptions, or usage limits. Whether you're a content creator, educator, developer, or accessibility advocate, Kokoro Web provides high-quality voice synthesis that rivals premium services—all while remaining completely free and transparent.

Key features include support for multiple languages and accents, adjustable speech speed and pitch, and a growing library of expressive voices. The tool runs entirely client-side using WebAssembly and TensorFlow.js, ensuring your text never leaves your device—perfect for privacy-sensitive applications. You can generate voiceovers for videos, narrate e-learning materials, create audiobooks, or assist visually impaired users with screen reading. Developers can integrate it via a simple JavaScript API or use the standalone web app for quick conversions.

Technical highlights: Kokoro Web leverages a lightweight neural TTS model optimized for real-time performance on modern browsers (Chrome, Firefox, Edge, Safari). It supports WAV and MP3 export, with sample rates up to 48kHz. The open-source nature allows community contributions, custom voice training, and self-hosting. Use cases range from podcast production and language learning to smart home assistants and gaming. With no data retention and offline-capable modes, it's ideal for sensitive environments. Join thousands of users who rely on Kokoro Web for ethical, accessible, and cost-free voice generation.

Use Cases

Key Features

free and open source text to speech multiple languages adjustable speed and pitch expressive voices client side processing privacy focused JavaScript API WebAssembly support real time performance

Who is it for?

content creators, educators, developers, accessibility advocates, visually impaired users, video producers, e, learning designers

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