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Gmail Headers Beautifier version history - 2 versions

Gmail Headers Beautifier by Top Deliverability

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Gmail Headers Beautifier version history - 2 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 1.0.3

    Released Jan 2, 2026 - 142.58 KB
    Works with firefox 126.0 and later
    misc fixes

    Source code released under MIT License

    Download Firefox and get the extension
    Download file

  • Older versions

    Version 1.0.2

    Released Jun 9, 2025 - 101.09 KB
    Works with firefox 126.0 and later

    Source code released under MIT License

    Download file