JSON OS Alternatives

JSON OS is described as 'Free JSON & Markdown workbench — format, validate, diff, chart, generate types, test APIs. Runs 100% in your browser, no signup, no uploads' and is a JSON Viewer in the development category. There are more than 50 alternatives to JSON OS, not only websites but also apps for a variety of platforms, including Mac, Windows, Google Chrome and SaaS apps. The best JSON OS alternative is JSON Crack, which is both free and Open Source. Other great sites and apps similar to JSON OS are Boop, 10015.io, fx and JSON BANG!.

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Alternatives list

  1. jless icon

    jless

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    jless will pretty print your JSON and apply syntax highlighting. Use it when exploring external APIs, or debugging request payloads.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Homebrew
    • Linux
    • Mac
    • Rust
    • NetBSD
    • FreeBSD
    • BSD
    • MacPorts
    jless screenshot 1
     
  2. DataLensia icon

    DataLensia

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    DataLensia is a privacy-first, browser-based data toolkit that lets you visualize CSV datasets and work with JSON/NDJSON using tools like a JSON comparator, schema generator, editor, and converter — all processed locally.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    Landing Page
     
  4. ArrayCat icon

    ArrayCat

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    ArrayCat is a free tool for converting a list of data into an array. For example, you can convert CSV file into PHP array. Or, into a JavaScript array. Or even into an SQL insertion thingie, which is technically not an array, but cats get confused sometimes.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    ArrayCat screenshot 1
     
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