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JSONView version history - 17 versions

JSONView by Ben Hollis

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JSONView version history - 17 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 3.2.0

    Released May 17, 2025 - 82.98 KB
    Works with firefox 109.0a1 and later
    Added a specific workaround for Microsoft SharePoint sites, which say they are returning JSON when they are really returning HTML from their service worker.

    Source code released under MIT License

    You'll need Firefox to use this extension
    Download Firefox and get the extension
    Download file

  • Older versions

    Version 3.1.0

    Released Jan 14, 2025 - 82.55 KB
    Works with firefox 109.0a1 and later
    Fixed conflicts with some SharePoint sites.

    Source code released under MIT License

    Download file

  • Version 3.0.2

    Released Aug 26, 2024 - 82.4 KB
    Works with firefox 109.0a1 and later
    Fixed a regression in Firefox where JSON not served as UTF-8 (which is technically invalid) caused ugly characters to display in the formatted JSON.

    Source code released under MIT License

    Download file

  • Version 3.0.1

    Released Jun 19, 2024 - 82.38 KB
    Works with firefox 109.0a1 and later
    - Fixed a regression where floating-point numbers were truncated to integers.

    Source code released under MIT License

    Download file

  • Version 3.0.0

    Released Jun 16, 2024 - 82.37 KB
    Works with firefox 109.0a1 and later
    Fix a few minor bugs and update to Manifest V3.

    Source code released under MIT License

    Download file

  • Version 2.6.1

    Released Dec 29, 2023 - 83.53 KB
    Works with firefox 42.0 and later
    Restore JSONView's ability to work in Firefox without having to manually disable the built-in JSON viewer.

    Source code released under MIT License

    Download file

  • Version 2.5.0

    Released Dec 17, 2023 - 83.46 KB
    Works with firefox 42.0 and later
    Fix a cross-site scripting vulnerability in the Firefox version of the extension. Also removed the webRequestBlocking permission.

    Source code released under MIT License

    Download file

  • Version 2.4.3

    Released Jul 7, 2023 - 83.75 KB
    Works with firefox 42.0 and later, android 120.0 and later
    Fixed content type matching for things like application/hal+json

    Source code released under MIT License

    Download file

  • Version 2.4.2

    Released May 24, 2023 - 83.73 KB
    Works with firefox 42.0 and later
    Fix a Firefox-specific issue where text encoding may be correct.

    Source code released under MIT License

    Download file

  • Version 2.4.1

    Released May 11, 2023 - 83.7 KB
    Works with firefox 42.0 and later
    Minor fix to data handling that could cause mangled output.

    Source code released under MIT License

    Download file

  • Version 2.4.0

    Released May 3, 2023 - 83.67 KB
    Works with firefox 42.0 and later
    - Preserve indentation when copying JSON.
    - The JSON object is available from the console via the global "data" property. Note: This may go away when JSONView is forced into the new Manifest V3 extension model.
    - Increased the number of content types that will be recognized as JSON.
    - Added Indonesian localization.

    Source code released under MIT License

    Download file

  • Version 2.3.0

    Released Jan 6, 2021 - 85.14 KB
    Works with firefox 42.0 and later
    Switch to a dark theme when your system is set to dark mode.

    Source code released under MIT License

    Download file

  • Version 2.2.1

    Released Oct 20, 2020 - 84.93 KB
    Works with firefox 42.0 and later
    Escape single quotes in generated HTML.

    Source code released under MIT License

    Download file

  • Version 2.2.0

    Released Sep 5, 2020 - 84.92 KB
    Works with firefox 42.0 and later
    Ignore case when checking headers.

    Source code released under MIT License

    Download file

  • Version 2.1.0

    Released Mar 17, 2019 - 84.4 KB
    Works with firefox 42.0 and later
    JSONView now ignores case when checking headers.

    Source code released under MIT License

    Download file

  • Version 2.0.1

    Released May 19, 2018 - 84.29 KB
    Works with firefox 57.0a1 and later, android 48.0 to 68.*
    * Force encoding to UTF-8

    Source code released under MIT License

    Download file

  • Version 2.0.0

    Released May 13, 2018 - 84.27 KB
    Works with firefox 57.0a1 and later, android 48.0 to 68.*
    JSONView has been rebuilt for the new Firefox extension model, and now works with newer versions of Firefox.

    Source code released under MIT License

    Download file