What's newJust shipped v2.0
Read aloud anything with Readio
Listen to web pages, EPUB books, or PDFs in lifelike voices powered by OpenAI. Whether you're learning, multitasking, or relaxing, your reading is now hands-free.
OpenAI Text-to-Speech voices
Experience the most natural OpenAI tts voices today. Our advanced neural networks generate lifelike speech with perfect intonation, ensuring top-tier performance.
- Natural-sounding speech with perfect intonation
- 6 unique voices with distinct characteristics
- Multilingual support across 50+ languages
Alloy HD
balanced, neutral, versatile
Echo HD
clear, steady, straightforward
Fable HD
narrative, warm, storyteller-like
Onyx HD
deep, strong, resonant
Nova HD
bright, friendly, approachable
Shimmer HD
light, crisp, expressive
Explore Our Natural-Sounding AI Voices
Discover expressive and nuanced voices that can fluently read undefined text out loud. Choose voices by style, speed, or regional accent across 140+ languages and dialects.
Popular Languages
English
British English
Australian English
Indian English
Canadian English
Irish English
New Zealand English
South African English
Spanish
Mexican Spanish
Argentinian Spanish
Colombian Spanish
French
Canadian French
Belgian French
Swiss French
German
Austrian German
Swiss German
Brazilian Portuguese
European Portuguese
Simplified Chinese (China)
Traditional Chinese (Taiwan)
Cantonese (Hong Kong)
Japanese
Korean
Hindi
Arabic
Hebrew
Russian
Italian
Dutch
Polish
Turkish
Swedish
Danish
Finnish
Norwegian
Indonesian
Malay
Vietnamese
Thai
Frequently asked questions
Readio is a TTS reader that can read aloud web pages, EPUBs, and PDFs using realistic OpenAI voices. It’s designed to make reading more accessible and enjoyable anywhere, on any device.