JSON Formatter & Prettifier
Local ProcessingParse JSON and serialize it with the selected indentation.
How It Works & Processing Standards
Parse JSON and serialize it with the selected indentation.
Tool processing runs in your browser. If you create a calculator or conversion share link, its values are included in the URL. See the privacy policy for account, analytics and advertising data.
Current Limits
- Desktop max file size: 50MB
- Mobile max file size: 20MB
Choose pretty-print or minify under "Task". Expand one-line JSON such as API responses for reading, or shrink it for configs and transport.
What You Can Do
- Pretty-print
- Breaks lines with the indentation width you choose.
- Minify
- Removes all insignificant whitespace and line breaks.
How to Use JSON Formatter & Prettifier
- 1Choose a taskPretty-print or minify.
- 2Paste JSONPaste the JSON to format.
- 3CopyCopy the formatted JSON.
Examples
2-space indent
Input: {"name":"핑케일","tags":["a","b"]}
Result: {
"name": "핑케일",
"tags": [
"a",
"b"
]
}
Minify
Input: {
"a": 1,
"b": [1, 2]
}
Result: {"a":1,"b":[1,2]}
Common Use Cases
- Reading API responses comfortably
- Putting a config value on one line
Frequently Asked Questions (FAQ)
Does it reorder keys?
No. Keys keep their written order. Use JSON Key Sorter to sort them.