JSON Formatter

Format, validate and minify JSON online for free. Make complex JSON easier to read and debug directly in your browser.

Formatting Options

Configure how your JSON should be displayed.

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JSON Input

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Formatted JSON

Pretty-printed JSON appears here.

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Format JSON instantly

Turn compact or difficult-to-read JSON into a clean, structured format that is easier to inspect, debug and edit.

  • ✓Validate JSON syntax automatically.
  • ✓Choose 2, 4 or 8-space indentation.
  • ✓Minify JSON for compact output.
  • ✓Copy or download formatted JSON.

Useful for developers

Quickly inspect API responses, configuration files, database exports and JSON payloads without installing additional software.

API Responses

Make API JSON easier to inspect.

Configuration

Format JSON configuration files.

Debugging

Find malformed JSON quickly.

Data Inspection

Inspect objects, arrays and values.

Your JSON stays private

JSON formatting and validation happen entirely in your browser. Your data is not uploaded to a server or stored by ToolSquare.