Free Text to Speech
Type or paste any text and hear it spoken aloud in a natural human voice using Kokoro, an 82-million parameter text-to-speech model with over 6,000 GitHub stars. Choose from 54 voices across 9 languages including English, Japanese, Chinese, Spanish, French, Hindi, Italian, and Portuguese. All processing runs locally in your browser — no signup, no server, no API calls. Your text stays on your device.
Loading Text-to-Speech...
What Is Kokoro TTS and How Does This Text to Speech Tool Work?
This free text-to-speech tool is powered by Kokoro, an open-source 82-million parameter speech synthesis model with over 6,000 GitHub stars. Unlike robotic-sounding TTS engines, Kokoro produces natural, expressive speech that rivals commercial services like ElevenLabs, Google Cloud TTS, and Amazon Polly — but runs entirely in your browser with no API keys, no cloud processing, and no data leaving your device.
The model supports 54 distinct voices across 9 languages: English (American and British), Japanese, Chinese, Korean, Spanish, French, Hindi, Italian, and Portuguese. Each voice has been trained to sound natural with proper intonation, rhythm, and emphasis. You can preview voices instantly and switch between them to find the perfect match for your content.
All processing happens locally using WebAssembly and WebGPU acceleration. Your text is never uploaded to any server, making this tool ideal for converting sensitive documents, personal notes, or confidential content into speech. The model downloads once and is cached in your browser for instant access on return visits.
For Developers: Build With Kokoro TTS
Kokoro is an open-source text-to-speech model built on the StyleTTS2 architecture, available on GitHub and Hugging Face. At just 82 million parameters, it is remarkably lightweight compared to commercial TTS models while delivering comparable quality. The model uses phoneme-based synthesis with prosody prediction, producing speech that captures natural pauses, stress patterns, and emotional tone.
For web deployment, Kokoro can be integrated through ONNX Runtime Web or Transformers.js, enabling real-time speech synthesis directly in the browser. Developers building accessibility features, language learning apps, content narration tools, or voice-enabled interfaces will find Kokoro a production-ready alternative to paid TTS APIs. The model's small size and efficient architecture make it practical for edge deployment on mobile devices, embedded systems, and offline applications.
Need expert help with AI?
Looking for a specialist to help integrate, optimize, or consult on AI systems? Book a one-on-one technical consultation with an experienced AI consultant to get tailored advice.
How It Works
Type or paste the text you want spoken aloud.
Choose a voice and language, then click Generate Speech.
Listen to the AI-generated audio, download it, or try another voice.
Key Features
Privacy & Trust
Use Cases
Frequently Asked Questions
Limitations
- Initial model download is ~92MB on first use
- Generation speed depends on device hardware
- Very long texts may take more time to process
- Some voices may not perfectly handle all accents or dialects
- Best results with well-punctuated text
