Prettify JSON

Clean, format, and validate JSON data instantly in your browser. Configurable indentation, alphabetical key sorting, detailed stats, and syntax error alerts.

Private • In-browser processing • Zero server uploads
Action:
JSON Input Idle
Client JSON Parser Live Validation
Formatted Output
Standard RFC 8259 JSON Zero Server Requests

How to Use Prettify JSON

1
Paste JSON Content
Paste raw JSON into the input editor or load an example.
2
Choose Options
Toggle indentation spacing and key sorting to match your coding standards.
3
Copy or Download
Download the formatted file or copy it with a single click.

Key Features

Format & Beautify
Clean up messy JSON with 2-space, 4-space, or tab indentation.
Key Sorting
Alphabetically sort object keys recursively for easy comparison.
Fast Minifier
Strip unnecessary whitespace for production payload compression.
Detailed Tree Stats
View total keys, array counts, object counts, and nesting depth.

Common Use Cases

  • Formatting raw minified API responses and network payload inspections.
  • Sorting JSON keys alphabetically for clean Git diff comparisons.
  • Minifying JSON configuration objects for reduced bandwidth usage.
  • Validating complex nested JSON payloads and locating syntax errors instantly.

Frequently Asked Questions

No. The parser runs strictly within your browser sandbox using native browser JSON parsing. No requests are dispatched to any external server.

The parser catches errors immediately and indicates the exact line and position of invalid commas, quotes, or brackets.

Minify JSON
Remove all whitespace from JSON and compress it to a single line.
Stringify JSON
Double-serialize JSON into an escaped string value for embedding in code.
Analyze JSON
Get stats on a JSON document: key count, nesting depth, types and size.
CSV to JSON
Convert a CSV file to a JSON array of objects, one per row.
YAML to JSON
Convert a YAML document to equivalent JSON format.