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Grammar and Spell Checker - LanguageTool version history - 25 versions

Grammar and Spell Checker - LanguageTool by LanguageTooler GmbH

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Grammar and Spell Checker - LanguageTool 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 9.0.1

    Released Jul 21, 2025 - 14.71 MB
    Works with firefox 128.0 and later

    Source code released under All Rights Reserved

    Download Firefox and get the extension
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  • Older versions

    Version 8.19.4

    Released Apr 8, 2025 - 14.02 MB
    Works with firefox 128.0 and later

    Source code released under All Rights Reserved

    Download file

  • Version 8.18.4

    Released Mar 11, 2025 - 13.89 MB
    Works with firefox 128.0 and later

    Source code released under All Rights Reserved

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  • Version 8.14.3

    Released Dec 30, 2024 - 12.82 MB
    Works with firefox 128.0 and later

    Source code released under All Rights Reserved

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  • Version 8.13.2

    Released Nov 29, 2024 - 12.07 MB
    Works with firefox 78.0 and later

    Source code released under All Rights Reserved

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  • Version 8.11.8

    Released Aug 23, 2024 - 11.47 MB
    Works with firefox 78.0 and later

    Source code released under All Rights Reserved

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  • Version 8.11.7

    Released Aug 15, 2024 - 11.46 MB
    Works with firefox 78.0 and later

    Source code released under All Rights Reserved

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  • Version 8.11.6

    Released Aug 7, 2024 - 11.96 MB
    Works with firefox 78.0 and later

    Source code released under All Rights Reserved

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  • Version 8.11.2

    Released Aug 1, 2024 - 11.96 MB
    Works with firefox 78.0 and later

    Source code released under All Rights Reserved

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  • Version 8.10.4

    Released Jul 10, 2024 - 11.88 MB
    Works with firefox 78.0 and later

    Source code released under All Rights Reserved

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  • Version 8.9.1

    Released Jun 5, 2024 - 11.77 MB
    Works with firefox 78.0 and later

    Source code released under All Rights Reserved

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  • Version 8.6.0

    Released Mar 14, 2024 - 10.68 MB
    Works with firefox 78.0 and later

    Source code released under All Rights Reserved

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  • Version 8.3.0

    Released Nov 23, 2023 - 10.66 MB
    Works with firefox 78.0 and later

    Source code released under All Rights Reserved

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  • Version 8.2.2

    Released Nov 17, 2023 - 10.1 MB
    Works with firefox 78.0 and later

    Source code released under All Rights Reserved

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  • Version 7.1.13

    Released Jun 22, 2023 - 10.07 MB
    Works with firefox 60.0 and later

    Source code released under All Rights Reserved

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  • Version 6.2.5

    Released Mar 20, 2023 - 10.18 MB
    Works with firefox 60.0 and later

    Source code released under All Rights Reserved

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  • Version 6.2.2

    Released Feb 28, 2023 - 10.12 MB
    Works with firefox 60.0 and later
    Several bug fixes; a new way to turn off the add-on (hover over the icon)

    Source code released under All Rights Reserved

    Download file

  • Version 6.0.1

    Released Nov 24, 2022 - 10.13 MB
    Works with firefox 60.0 and later

    Source code released under All Rights Reserved

    Download file

  • Version 5.8.10

    Released Nov 5, 2022 - 7.66 MB
    Works with firefox 60.0 and later

    Source code released under All Rights Reserved

    Download file

  • Version 5.8.6

    Released Oct 30, 2022 - 7.66 MB
    Works with firefox 60.0 and later

    Source code released under All Rights Reserved

    Download file

  • Version 5.4.3

    Released Aug 7, 2022 - 7.28 MB
    Works with firefox 60.0 and later

    Source code released under All Rights Reserved

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  • Version 5.3.3

    Released Jul 12, 2022 - 6.95 MB
    Works with firefox 60.0 and later

    Source code released under All Rights Reserved

    Download file

  • Version 5.3.0

    Released Jun 17, 2022 - 6.95 MB
    Works with firefox 60.0 and later
    Activate the paraphrasing feature for more users

    Source code released under All Rights Reserved

    Download file

  • Version 5.2.4

    Released Jun 10, 2022 - 6.8 MB
    Works with firefox 60.0 and later
    Roll-out of the Rephrasing feature (see synonyms feature)

    Source code released under All Rights Reserved

    Download file

  • Version 5.2.3

    Released Jun 1, 2022 - 6.79 MB
    Works with firefox 60.0 and later
    Synonyms feature has been extended with sentence rephrasing (English only for now). Bug fixes.

    Source code released under All Rights Reserved

    Download file