JSON Formatter
Clean up compact JSON, minify formatted data, and catch syntax errors before data reaches your application.
Local processing. Your data stays in this browser.
How to use it
- Paste JSON or open a .json file.
- Choose Format, Minify, or Validate.
- Copy or download the valid result.
Example
Input
{"name":"Naminc","active":true}Output{
"name": "Naminc",
"active": true
}Common questions
- Does this JSON formatter upload my data?
- No. Parsing, formatting, and file handling run locally in your browser.
- What JSON errors can it find?
- It reports standard JSON syntax errors such as missing commas, invalid quotes, and incomplete values.