{ } JSON बिउटिफायर — ऑनलाइन JSON फॉर्मेट करें

Beautify and pretty-print JSON in one click. Paste any minified or messy JSON and get clean, indented output instantly. 100% free, no signup.

Paste any minified or badly indented JSON into the input area and click Beautify. The tool formats it with proper indentation, detects syntax errors, and shows you exactly where the problem is. No signup, no file upload — everything runs in your browser.

Input JSON

0 chars

Output

0 chars

How to Use

Paste your JSON

Copy or type your JSON data into the left input area. Minified or messy JSON is fine.

Click Format

Press the Format button (or Ctrl+Enter) to instantly beautify and validate your JSON with proper indentation.

Copy the result

Use the Copy button to copy the formatted output. Fix any errors shown in the status bar.

Frequently Asked Questions

What is a JSON formatter? +

A JSON formatter (also called JSON beautifier or JSON pretty printer) takes minified or poorly indented JSON data and reformats it with proper indentation and line breaks, making it human-readable. It also validates that the JSON syntax is correct.

How do I format JSON online? +

Paste your JSON into the input area, then click Format. The tool automatically detects syntax errors and shows them with the line number. Your formatted JSON appears in the output area ready to copy.

What is the difference between format and minify? +

Formatting adds spaces and line breaks for readability. Minifying removes all unnecessary whitespace to reduce file size — useful for production APIs and config files.

Does this JSON formatter store my data? +

No. Everything runs 100% in your browser using JavaScript. Your JSON data never leaves your computer and is never sent to any server.

Can I validate JSON without formatting it? +

Yes — click the Validate button to check if your JSON is valid without changing its structure. The tool shows a green checkmark for valid JSON or a red error message with the exact problem location.

संपूर्ण गाइड: JSON Formatter और Validator

JSON Formatter क्या है?

JSON वेब APIs के लिए डेटा एक्सचेंज का मानक प्रारूप बन गया है। Production systems कभी formatted JSON नहीं भेजते — responses एक ही लाइन में हजारों characters के रूप में आते हैं। JSON formatter RFC 8259 specification लागू करता है: सही indentation, newlines, और real-time validation।

यह किनके लिए उपयोगी है: fetch() responses debug करने वाले frontend engineers, test fixtures लिखने वाले backend engineers, और deployment configs audit करने वाली DevOps टीमें।

कैसे उपयोग करें

JSON paste करें input area में — minified, broken या partially formatted सभी accepted हैं।
Format click करें (या Ctrl+Enter दबाएं) — validate और beautify एक साथ।
Status bar देखें: हरा ✓ = valid, लाल ✕ = exact error message।
Minify use करें production के लिए compact output हेतु।
Copy click करें result clipboard पर copy करने के लिए।

Pro Tips

Trailing commas ({"a":1,}) JSON में invalid हैं, भले ही JavaScript में valid हों।
Unquoted keys और single-quoted strings भी JSON में invalid हैं।
gzip JSON को ~70% compress करती है, इसलिए formatted JSON का extra cost लगभग शून्य है।