Developer tool
JSON Formatter
Validate and format JSON locally. Your data never leaves this page.
Ready.
How to use this tool
- Paste JSON into the input.
- Select Format JSON to validate and indent it.
- Use Minify for a compact version.
Example
{"name":"Ada","active":true}
becomes
{
"name": "Ada",
"active": true
} Frequently asked questions
What happens if JSON is invalid?
The tool reports the parser error.
Is my JSON uploaded?
No. Parsing happens locally.