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Penguin Check version history - 1 version

Penguin Check by Johan

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Penguin Check version history - 1 version

  • 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 0.1.0

    Released Feb 2, 2026 - 1.45 MB
    Works with firefox 140.0 and later

    Source code released under MIT License

    Download Firefox and get the extension
    Download file