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JSON

Validate, beautify, minify, and search JSON. Everything runs locally and your last session is restored automatically.

Search:
Input
Output(editable)

About JSON tools

JSON is the standard data format for APIs and config files. This tool validates, formats, minifies, and searches JSON entirely in your browser — nothing leaves the page, and your last session is saved between visits.

  • Use Beautify to format with your chosen indent.
  • Toggle Sort keys for diff-friendly canonical output.
  • Search by key, value, or both — click a result to jump.
  • Drag the divider or arrow keys to resize panes.
  • Press F11 (or Cmd/Ctrl+Enter) for fullscreen.