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CastReader — Read Aloud + AI Explain version history - 5 versions

CastReader — Read Aloud + AI Explain by CastReader

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CastReader — Read Aloud + AI Explain version history - 5 versions

  • Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.

  • Latest version

    Version 1.2.22

    Released Jul 26, 2026 - 13.58 MB
    Works with firefox 140.0 and later

    Source code released under All Rights Reserved

    Download Firefox and get the extension
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  • Older versions

    Version 1.2.19

    Released Jul 20, 2026 - 14.51 MB
    Works with firefox 140.0 and later

    Source code released under All Rights Reserved

    Download file

  • Version 1.2.18

    Released Jul 19, 2026 - 14.49 MB
    Works with firefox 140.0 and later
    • Improved Kindle Cloud Reader support for horizontal books in English, Chinese, Japanese, Spanish, French, Portuguese, Italian, and Hindi.
    • Improved OCR accuracy, two-column reading order, synchronized highlighting, and automatic page turning on Kindle.
    • Fixed playback not continuing after Kindle page turns.
    • Fixed an issue where Read Aloud and QuickRead could start playing at the same time after changing pages.
    • Added clearer loading states while switching voices and buffering the next TTS segment.
    • Improved Pro subscription status synchronization and identity recovery.
    • Expanded the extension interface localization to eight languages.
    • Improved Firefox compatibility for web pages, Kindle, QuickRead, and TXT, PDF, DOCX, and image files.
    • General stability and playback improvements.

    Source code released under All Rights Reserved

    Download file

  • Version 1.2.16

    Released Jul 15, 2026 - 4.62 MB
    Works with firefox 140.0 and later
    • Read web pages aloud with synchronized text highlighting and automatic scrolling.
    • Added QuickRead, which explains long content with synchronized handwritten annotations on the original page.
    • Added a local document reader for PDF, DOCX, TXT, Markdown, and images.
    • Improved support for Kindle Cloud Reader, WeRead, Google Docs, YouTube transcripts, and AI chat platforms.
    • Added multilingual voice selection, playback speed controls, reading progress, and improved language detection.
    • Added optional Firefox-controlled technical analytics consent.
    • Improved TTS reliability, HTTPS security, highlighting accuracy, and long-document stability.
    • Fixed QuickRead mark alignment, scrolling jumps, Firefox API compatibility, and Kindle OCR paragraph continuity.

    Source code released under All Rights Reserved

    Download file

  • Version 1.0.2

    Released Mar 16, 2026 - 3.55 MB
    Works with firefox 109.0a1 and later

    Source code released under All Rights Reserved

    Download file