JSON Formatter

Beautify and format JSON data

Processes in your browserFree, with no account

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JSON Formatter workspaceProcesses input in your browser

Private browser workspace

Format, validate, search, and export JSON

Your JSON stays in this browser. Paste text or drop a file to start.

Valid JSON

Source

218 B · 9 lines

Open file

Result

Live preview updates as you type

JSONPath queryIndentationSort object keys

{4 items"project":"Launch checklist"
"owner":"Avery"
"published":false
"tasks":[2 items0:{3 items"id":1
"title":"Write the brief"
"done":true
}
1:{3 items"id":2
"title":"Review accessibility"
"done":false
}
]
}

Made for the task in front of you

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What is the JSON Formatter?

The JSON Formatter & Beautifier takes minified or poorly formatted JSON data and transforms it into a beautifully indented, easy-to-read format with proper spacing and line breaks. This is the most-used developer tool for debugging API responses, reading configuration files, and preparing JSON data for documentation. Our formatter handles nested objects, arrays, and all valid JSON data types.

How to Use the JSON Formatter

Paste or type your text

Enter the input this tool accepts. You can paste or type text, choose a sample, or use a file picker only where the tool provides one.

Instant automatic processing

Choose the relevant options and run JSON Formatter. Some tools update as you type; others use a clear action button and show the result when it is ready.

Copy or download your results

Use the copy, download, or export option available in the result area. Your completed result is ready to use in the next app or document.

Why Choose Our JSON Formatter?

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Lightning Fast Real-Time Results

No loading screens, no server round-trips. Get instant results as you type. Process thousands of lines in milliseconds with client-side processing.

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Privacy & processing

Processing location depends on the tool. Tools that send input to an external service identify that before use; see our Privacy Policy for analytics and data-use details.

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Completely Free Forever — No Limits

No signups, no subscriptions, no paywalls, no daily usage limits. Every single one of our tools is free to use — today, tomorrow, and always.

Frequently Asked Questions — JSON Formatter

How do I format minified JSON?

Paste your minified JSON string into our formatter. It automatically detects the structure and adds proper indentation (2 spaces), line breaks, and formatting to make it readable. Click "Copy" to get the formatted result.

What is JSON and why does it need formatting?

JSON (JavaScript Object Notation) is a lightweight data format used for APIs, config files, and data exchange. Minified JSON removes all whitespace to save bandwidth, but makes it unreadable. Formatting adds indentation back for human readability.

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