JaySnake

JSON viewer, editor, converter

Only for Mac

Free · In‑App Purchases

Mac

Paste messy JSON, get a clean tree instantly. Query with JSONPath, diff two payloads, generate types, export YAML/CSV - fast, native, 100% offline. Turn messy JSON into something you can actually read. Paste any blob - minified, escaped, or malformed - and get a clean, explorable structure instantly. Fast, native, and 100% offline: your data never leaves your Mac. VIEW & EXPLORE • Instant tree view with collapse/expand, line numbers, and syntax coloring • Node graph — see your JSON's shape as a diagram, with zoom and per-node collapse • Auto-beautify on paste; one-tap Beautify/Minify • Copy any value, key, or JSONPath in a click FIND ANYTHING • Find-on-page with match highlighting and next/previous navigation • Filter the tree down to just what matches • JSONPath query with smart, context-aware key autocomplete ($.items[*].name, $..id, filters) TRANSFORM • Compare two JSONs side by side, GitHub-style diff • Generate types: TypeScript, Swift, Kotlin, Java, Go, and JSON Schema • Convert & export: YAML, CSV, minified, escaped string — copy or save to file WORK YOUR WAY • Tabs to keep multiple payloads open at once • Named Sessions — save, switch, and restore your working sets • Open selected text from any app via the macOS Services menu • Full Dark Mode PRIVATE BY DESIGN No accounts, no tracking, no network calls. Everything runs locally on your Mac. Built for developers, QA, and anyone who wrangles JSON.

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The developer, Kiryl Ramanouski, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

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    Information

    Seller
    • Kiryl Ramanouski
    Size
    • 2.2 MB
    Category
    • Developer Tools
    Compatibility
    Requires macOS 13.0 or later.
    • Mac
      Requires macOS 13.0 or later.
    Age Rating
    4+
    In-App Purchases
    Yes
    • Biggest Tip $19.99
    • Extra Large Tip $9.99
    • Large Tip $4.99
    • Medium Tip $2.99
    • Small Tip $0.99
    • Learn More
    Copyright
    • © ramanouski.com
  • Developer Website
  • Privacy Policy

    • More by Kiryl Ramanouski