Format JSON

How to format and validate JSON

1. Step 1 – Paste or import your JSON into the online formatter

   • Paste raw JSON into the left editor from any source (API response, config file, logs, etc.).
   • Or use Import to load JSON from a file, URL, or sample data.
   • This tool works as an online JSON formatter so you can quickly clean up messy JSON.

2. Step 2 – Choose formatting options

   • Select an indentation size to pretty-print your JSON (2 spaces, 4 spaces, or compact).
   • Optionally sort keys alphabetically to normalize structure across payloads.
   • Switch to minified output when you need compact JSON for APIs, storage, or production.

3. Step 3 – Review the formatted result and any validation errors

   • See the formatted JSON on the right with syntax highlighting and consistent indentation.
   • Watch for parse errors (for example, missing commas or quotes).
   • Use this page as a quick JSON syntax check while you format.

4. Step 4 – Copy or download for your API, responses, or logs

   • Use Copy to send the formatted JSON to your clipboard.
   • Download the result as a .json file for API requests, API responses, or log snapshots.
   • Reuse the same formatted JSON as a clean source of truth for documentation or code examples.

// Input JSON
{"name":"Maeve","age":28,"active":true}

// Formatted JSON
{
  "name": "Maeve",
  "age": 28,
  "active": true
}

Related JSON tools

• Validate JSON before or after formatting to catch syntax errors early.
• Repair broken JSON that cannot be parsed, then run it through the formatter.
• Generate schemas and types from clean JSON for validation and typed code.