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JsonXmlEditor

Native macOS JSON and XML editor, linter, and REST client

Made by Alex

JsonXmlEditor screenshot

What is JsonXmlEditor?

JsonXmlEditor is a native macOS developer tool designed for structuring, formatting, validating, and debugging JSON and XML data. Built offline-first without browser or Electron frameworks, it provides a lightweight workspace featuring a split canvas with source editing on the left and validated, formatted output on the right.

Beyond core editing, the application integrates a sidebar-based REST request builder, DTO code generators for languages like TypeScript, Go, and Swift, and a Path Query Panel supporting JSONPath and XPath evaluation. The app requires no user accounts, collects no analytics, and processes all data locally on the device.

Key features

  • Side-by-side source and output editor
  • Built-in sidebar REST client
  • DTO code generators for seven languages
  • Path query panel for JSONPath and XPath
  • Automatic nested JSON string detection
  • Offline-first native macOS architecture

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