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Spotlight Reader: Text-to-Speech & Highlighting version history - 25 versions

Spotlight Reader: Text-to-Speech & Highlighting by lucas

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Spotlight Reader: Text-to-Speech & Highlighting version history - 25 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 3.4.0

    Released Nov 7, 2026 - 4.15 MB
    Works with firefox 121.0 and later, android 121.0 and later
    New: floating playback controls in in-page highlight mode (rewind, play/pause, stop, forward); can be minimized to a small button. Fix: when playback moved to another tab, the old tab kept its highlight.

    Source code released under MIT License

    Download Firefox and get the extension
    Download file

  • Older versions

    Version 3.3.0

    Released Nov 7, 2026 - 4.14 MB
    Works with firefox 121.0 and later, android 121.0 and later
    • Firefox for Android: Spotlight Reader now installs on Firefox for Android.
    • While reading aloud on a phone, the screen stays on so playback isn't cut off.
    • Settings page adapts to narrow touch screens.
    • Dark mode setting now applies on Android too.

    Source code released under MIT License

    Download file

  • Version 3.2.7

    Released Nov 7, 2026 - 4.14 MB
    Works with firefox 121.0 and later
    New: word replacements in the settings – one rule per line, "written = spoken" (e.g. "e.g. = for example"), an empty right side skips the word, "/regex/ = text" for patterns such as footnote markers. Only the spoken text changes; the page and highlighting stay as they are.

    Source code released under MIT License

    Download file

  • Version 3.2.6

    Released Nov 7, 2026 - 4.13 MB
    Works with firefox 121.0 and later
    New: "Read aloud from here" in the right-click menu – starts at the clicked paragraph or at the start of your selection and reads on to the end. Reading now resumes where you left off on a page; a short notice offers "Start over".

    Source code released under MIT License

    Download file

  • Version 3.2.5

    Released Nov 6, 2026 - 4.13 MB
    Works with firefox 121.0 and later
    Privacy: removed the premium voices and sign-in of the original Read Aloud (no more requests to its account servers); math is read locally; text never silently falls back to Google Translate; PDFs open in the hosted viewer only after you allow it.

    Source code released under MIT License

    Download file

  • Version 3.2.4

    Released Nov 6, 2026 - 4.13 MB
    Works with firefox 121.0 and later
    Smaller download; downloaded offline voices are no longer evicted by Firefox; a prompt appears when Firefox blocks autoplay; OpenAI-compatible servers: empty audio chunks are skipped instead of stopping playback.

    Source code released under MIT License

    Download file

  • Version 3.2.3

    Released Nov 6, 2026 - 4.33 MB
    Works with firefox 121.0 and later
    Smoother in-page highlight (no gaps between lines, softer on dark pages); auto-scroll pauses while you scroll; popup keeps the last text after reading ends and fits the overflow menu.

    Source code released under MIT License

    Download file

  • Version 3.2.2

    Released Nov 6, 2026 - 4.32 MB
    Works with firefox 121.0 and later
    Fix mid-sentence pauses after non-breaking spaces; sentence splitting for Arabic, Hindi and Urdu.

    Source code released under MIT License

    Download file

  • Version 3.2.1

    Released Oct 20, 2026 - 4.19 MB
    Works with firefox 121.0 and later
    No more pauses mid-sentence at line breaks; lines ending in ä/ö/ü/ß/é now pause correctly.

    Source code released under MIT License

    Download file

  • Version 3.2.0

    Released Oct 19, 2026 - 4.19 MB
    Works with firefox 121.0 and later
    Supertonic: smoother playback on multi-core computers, fixed swallowed words at high speeds, new quality setting.

    Source code released under MIT License

    Download file

  • Version 3.1.6

    Released Oct 19, 2026 - 4.19 MB
    Works with firefox 121.0 and later
    Faster Supertonic startup (updated ONNX Runtime); smaller download; avoid duplicate cloud TTS requests during prefetch.

    Source code released under MIT License

    Download file

  • Version 3.1.5

    Released Sep 16, 2026 - 6.53 MB
    Works with firefox 121.0 and later
    Fix the in-page paragraph highlight getting stuck on the first bullet of a list on job ads and other pages that nest their content in wrapper elements.

    Source code released under MIT License

    Download file

  • Version 3.1.4

    Released Sep 16, 2026 - 6.53 MB
    Works with firefox 121.0 and later
    Follow the highlight on pages that scroll an inner container instead of the window.

    Source code released under MIT License

    Download file

  • Version 3.1.3

    Released Sep 16, 2026 - 6.53 MB
    Works with firefox 121.0 and later
    Fix the in-page highlight getting stuck on the first bullet of a list; the view now follows along.

    Source code released under MIT License

    Download file

  • Version 3.1.2

    Released Sep 5, 2026 - 6.53 MB
    Works with firefox 121.0 and later
    Ordered lists are read with their real numbers instead of always "1.".

    Source code released under MIT License

    Download file

  • Version 3.1.1

    Released Sep 5, 2026 - 6.53 MB
    Works with firefox 121.0 and later
    Italic text is now spoken with emphasis when using Google cloud voices (can be turned off in Options). The options page is fully translated in all 26 languages.

    Source code released under MIT License

    Download file

  • Version 3.0.16

    Released Sep 1, 2026 - 6.49 MB
    Works with firefox 121.0 and later
    Fix numbers like "1,200" being misread by cloud voices.

    Source code released under MIT License

    Download file

  • Version 3.0.15

    Released Aug 29, 2026 - 6.49 MB
    Works with firefox 121.0 and later
    Fixed: the message about granting access to local files is now translated in all supported languages and points at the correct Firefox setting.

    Source code released under MIT License

    Download file

  • Version 3.0.14

    Released Aug 29, 2026 - 6.49 MB
    Works with firefox 121.0 and later
    Fix: file:// access permission is now requestable in Firefox's Add-ons Manager.

    Source code released under MIT License

    Download file

  • Version 3.0.13

    Released Aug 29, 2026 - 6.49 MB
    Works with firefox 121.0 and later
    Fix: file:// access permission is now requestable in Firefox's Add-ons Manager.

    Source code released under MIT License

    Download file

  • Version 3.0.12

    Released Aug 18, 2026 - 6.49 MB
    Works with firefox 121.0 and later
    Scroll the in-page highlight closer to the top of the view.

    Source code released under MIT License

    Download file

  • Version 3.0.11

    Released Jul 29, 2026 - 6.48 MB
    Works with firefox 121.0 and later
    Fixes the in-page highlight jumping to the top of the page on some layouts,
    and highlights that were missing on quoted or embedded paragraphs.

    Source code released under MIT License

    Download file

  • Version 3.0.10

    Released Jul 29, 2026 - 6.48 MB
    Works with firefox 121.0 and later
    In-page highlighting: the blue box now follows the paragraph being read on
    modern nested layouts (Substack and similar) instead of disappearing or
    jumping to the top of the page.

    Source code released under MIT License

    Download file

  • Version 3.0.9

    Released Jul 21, 2026 - 6.48 MB
    Works with firefox 121.0 and later
    Unordered (bullet) lists are no longer read with added numbering, and the in-page highlight no longer jumps around while reading list items.

    Source code released under MIT License

    Download file

  • Version 3.0.8

    Released Jul 21, 2026 - 6.48 MB
    Works with firefox 121.0 and later
    Adding better error messages.

    Source code released under MIT License

    Download file