Transform Text into Natural Speech with AI

Kokoro TTS is a free, open-source text-to-speech tool powered by an efficient 82-million parameter AI model. It converts written text into natural-sounding speech with expressive voices that understand context and emotion, making synthesized audio sound genuinely human and engaging.

Who It's For

Kokoro TTS serves content creators working on podcasts, audiobooks, and video voiceovers, as well as developers integrating TTS functionality into applications. Language teachers use it to create pronunciation guides, while app developers leverage it for voice features across their products.

Key Features & Capabilities

• Instant Audio Generation: Ultra-fast real-time synthesis delivers immediate voice output • Multilingual Support: Generate speech in American English, British English, French, Korean, Japanese, and Mandarin • Flexible Voice Customization: Adjust voice settings, tones, and styles to match specific project requirements • Efficient Architecture: 82M parameter model balances performance with fast processing and resource efficiency • Expressive AI Voices: Context-aware voices capture appropriate tone and emotion for natural delivery • Generous Limits: Convert up to 500 characters per generation or 5,000 characters in stream mode

How It Works

The workflow is straightforward: input your text (up to 500 characters per generation), choose your desired voice and mode settings to fine-tune the output, then listen to a preview and download the audio file. The browser-based interface requires no installation or technical setup.

What Sets It Apart

Kokoro TTS distinguishes itself through its combination of being completely free, open-source, and delivering exceptional performance despite its compact model size. This makes professional-quality text-to-speech accessible to everyone, from individual creators to development teams. The platform has already generated over 1 million minutes of audio for 10,000+ users worldwide, with creators reporting up to 80% reduction in audio production time while improving quality.