Audio Tools
Text to Speech
Convert text to spoken audio using your browser's built-in speech synthesis engine.
Your files stay on your device - processed locally via WebAssembly, never uploaded
0 / 5,000 characters
First use downloads 63MB - after that it's cached forever.
How it works
100% on-device: Voice models are downloaded once, then cached in your browser's Origin Private File System. No text or audio is ever sent to any server.
Powered by Piper TTS - a fast neural TTS engine from the Rhasspy project. Voice models are open-source (MIT) and hosted on Hugging Face.
Works on every device: Chrome, Safari, Firefox, Edge - desktop and mobile. No microphone or special permissions required.
Your text is processed locally on your device. OptiPix never sees what you type.
Embed this tool on your website
Copy this code to add the Text to Speech to your site for free. It runs entirely in your visitors' browsers - no API key, no usage limits.
<iframe src="https://optipix.art/embed/text-to-speech" width="100%" height="600" style="border:1px solid #e4e4e7;border-radius:8px;" title="Text to Speech by OptiPix" loading="lazy"></iframe> <p style="font-size:12px">Free tool by <a href="https://optipix.art/text-to-speech">OptiPix Text to Speech</a></p>
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About Text to Speech
Last updated: May 2026
OptiPix Text to Speech convierte texto escrito en audio hablado utilizando la API Web Speech Synthesis integrada en tu navegador. Elige entre todas las voces del sistema disponibles agrupadas por idioma. Ajusta la velocidad del habla (0.5x a 2x) y el tono. La herramienta resalta la palabra actual mientras lee. Admite docenas de idiomas, incluyendo inglés, español, francés, alemán, japonés, chino, hindi y árabe. La mayoría de las voces se ejecutan en el dispositivo sin llamadas de red. El texto largo se divide automáticamente en fragmentos manejables.
How It Works
La herramienta utiliza la API Web Speech Synthesis (SpeechSynthesisUtterance) integrada en los navegadores modernos. Consulta las voces disponibles a través de speechSynthesis.getVoices(), aplica tus ajustes de velocidad/tono y lee el texto en voz alta con resaltado a nivel de palabra.
Use Cases
- •Que te lean artículos mientras realizas varias tareas a la vez
- •Revisar escritos escuchándolos
- •Pronunciación para el aprendizaje de idiomas
- •Accesibilidad para usuarios con discapacidad visual
- •Crear contenido de audio a partir de texto escrito
You Might Also Like
If you find Text to Speech useful, check out these related tools: Speech to Text, Word Counter, and Audio Recorder. All tools run entirely in your browser with no uploads or signups required.
Explore more: Browse all tools · Step-by-step guides · Tips & tutorials · Compare tools
Frequently Asked Questions
¿Qué idiomas se admiten?
¿Puedo controlar la velocidad?
¿Se procesa esto en mi dispositivo?
¿Puedo descargar el audio?
¿Hay un límite de caracteres?
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