CastReader
What is CastReader?
CastReader is a text-to-speech and reading-assistance tool available as a browser extension and mobile app. It reads webpages, PDFs, Kindle books, ebooks, documents, emails, and AI responses aloud with synchronized highlighting and auto-scroll. Its Read & Explain feature helps users understand difficult passages through spoken explanations, subtitles, and annotations while keeping the original source visible. CastReader supports multiple languages, including German, and works across supported Chrome, Edge, Firefox, iPhone, iPad, and Android workflows.
How to use CastReader?
Install the CastReader browser extension or mobile app, open a supported webpage, document, PDF, Kindle book, or AI response, and press the Listen or Read This Page button. CastReader extracts the available text and reads it aloud with synchronized highlighting and auto-scroll. For difficult content, select Read & Explain to receive spoken guidance and marked key points. Free users can start without signing up, while Pro users can sign in and choose a subscription for extended access.
CastReader's Core Features
Text-to-speech reading for webpages, PDFs, Kindle books, ebooks, documents, emails, and AI responses
Synchronized word or paragraph highlighting with automatic scrolling
Read & Explain for spoken summaries, explanations, subtitles, and source annotations
Kindle, WeRead, and O'Reilly browser reading with OCR and auto-advance
Per-response listening buttons for ChatGPT, Claude, Gemini, DeepSeek, Kimi, and Doubao
Read Selected Text through the browser context menu
Support for nine languages, including German
Natural and premium AI voices with playback speeds up to 3× on Pro
Mobile apps for iPhone, iPad, and Android
Upload support for PDF, Word, and TXT files
Reading voices with real samples through the CastReader Voice Hub
CastReader's Use Cases
Listen to long webpages, articles, newsletters, and research papers while commuting or multitasking
Read Kindle books aloud with synced highlighting and auto-advance
Understand dense academic or technical passages through Read & Explain
Listen to individual ChatGPT, Claude, or Gemini responses
Proofread Google Docs, emails, contracts, and reports by ear
Read foreign-language webpages while hearing explanations in a preferred language
Support reading for users with dyslexia, ADHD, visual impairments, or reading fatigue
Listen to PDFs, textbooks, and lecture notes during study sessions
Read selected passages from cluttered webpages, code, emails, or chat threads
FAQ from CastReader
What can CastReader read aloud?
Is CastReader free?
Do I need an account to use CastReader?
What does CastReader Pro unlock?
How many free AI explanations are available?
How does Read & Explain work?
Can CastReader read Kindle books?
Which devices and browsers does CastReader support?
Is there a free trial for Pro?
How much does CastReader Pro cost?
Can I cancel my CastReader subscription?
Is CastReader affiliated with Amazon or Kindle?
CastReader Support Email & Customer service contact & Refund contact etc.
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CastReader Pricing
Free
$0
20 minutes of listening per day, standard AI voices, speeds up to 1.25×, three AI explains per day, supported sites, Kindle, WeChat Read, PDFs, ChatGPT, and uploads for PDF, Word, and TXT files.
Pro Monthly
$4.99 per month
Far more listening hours with no 20-minute daily cap, full ebooks and long PDFs, more premium voices, speeds up to 3×, and unlimited AI explanations. Includes a three-day free trial.
Pro Yearly
$35.99 per year
Same Pro features at approximately $3.00 per month when billed yearly, advertised as saving 40%. Includes a three-day free trial.
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