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CastReader — Text to Speech, Read Aloud + AI Explain

CAST AI PTE. LTD.
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Overview

Read webpages, PDFs and EPUBs aloud with synced highlights and auto-scroll. Get AI explanations on the page.

CastReader is a text-to-speech extension for reading webpages, PDFs and EPUB books aloud in Chrome. Natural voices, synchronized word and paragraph highlighting, and automatic scrolling help you follow long articles with your eyes and ears together. Use AI Explain when a passage is difficult. It marks key ideas and explains them on the original page, so you can compare the explanation with the source as you read. What you can do - Webpages: read long articles, study materials and technical documentation on the original page. - PDF and EPUB: open files in CastReader’s document reader and follow the text as it is spoken. EPUB files must be DRM-free and contain readable text. - Reading controls: start at a chosen paragraph, adjust the speed, preview voices and save your favorites. 28 reading languages Read in English and 27 other supported languages. The interface and reading tools support 28 languages; the text language is detected automatically and can be corrected. Choose the explanation language separately. Free and Pro voice choices vary by language. Kindle Web compatibility depends on the book edition. Scanned documents require supported OCR and clear source images; OCR coverage differs from reading-language coverage. Free and Pro Start with 20 minutes of reading and 3 AI explanations per day for free. Pro offers more reading time and explanations, faster playback and additional voices. Cloned voices have separate usage allowances. Privacy Reading and explanations use online services to process the necessary content. Product usage and error statistics help improve the service. Privacy details: https://castreader.com/privacy-policy Get started 1. Open a webpage or a compatible Kindle book. 2. Click CastReader or the headphone button. 3. For a PDF or EPUB, choose Read a file and select the document in CastReader’s reader. 4. Choose Read Aloud or Explain. 5. Listen while following the highlighted text.

Details

  • Version
    1.2.60
  • Updated
    October 15, 2026
  • Size
    44.93MiB
  • Languages
    28 languages
  • Developer
    CAST AI PTE. LTD.
    Website
    Email
    support@castreader.ai
    Phone
    +86 139 1864 1416
  • Trader
    This developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.
  • D-U-N-S
    599695573

Privacy

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CastReader — Text to Speech, Read Aloud + AI Explain has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.

CastReader — Text to Speech, Read Aloud + AI Explain handles the following:

Website content

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

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