JSON Formatter
JSONFormat and beautify JSON with customizable indentation
All processing happens locally in your browser — your data never leaves your machine.
Loading tool...
Examples
Basic Object
Input
{"name":"John","age":30,"city":"New York"}Output
{
"name": "John",
"age": 30,
"city": "New York"
}Nested Object
Input
{"user":{"name":"Jane","address":{"street":"123 Main St","zip":"10001"}},"active":true}Output
{
"user": {
"name": "Jane",
"address": {
"street": "123 Main St",
"zip": "10001"
}
},
"act...Array of Objects
Input
[{"id":1,"name":"Alice"},{"id":2,"name":"Bob"}]Output
[
{
"id": 1,
"name": "Alice"
},
{
"id": 2,
"name": "Bob"
}
]Frequently Asked Questions
- How does the JSON Formatter work?
- Paste your JSON into the input panel and it will be automatically formatted with proper indentation. You can customize the indent size (2 or 4 spaces, or tabs). All processing happens locally in your browser.
- Is my data safe?
- Yes. All formatting is done locally in your browser using JavaScript. Your data never leaves your machine.
- Can I format minified JSON?
- Yes. The formatter handles any valid JSON, including minified, compressed, or single-line JSON. It will format it with your chosen indentation style.