About CastReader
CastReader is a free Chrome extension that reads any webpage aloud with natural AI voices and paragraph-level highlighting. It works on 15+ platforms including Kindle Cloud Reader, Google Docs, Notion, Gmail, ChatGPT, and millions of regular websites.
Our Mission
We believe everyone should be able to consume web content in the way that works best for them. Whether you have dyslexia, ADHD, visual fatigue, or simply prefer listening over reading, CastReader turns any text into natural-sounding audio — for free, with no signup and no limits.
What We Build
- Chrome Extension — One-click read-aloud with paragraph highlighting on any website. 4.7★ on Chrome Web Store.
- Document Upload — Convert PDF, EPUB, DOCX files to audio instantly.
- AI Chatbot Listener — Listen button next to every ChatGPT, Claude, Gemini, and DeepSeek response.
- Kindle Reader — The only extension that reads Kindle Cloud Reader aloud using OCR.
- Send to Phone — Send any article or ebook from desktop to your phone for mobile listening.
By the Numbers
4.7★
Chrome Web Store Rating
40+
Languages Supported
Free
Price
15+
Platforms
Get in Touch
Have feedback, a feature request, or a bug report? Reach us at support@castreader.ai.