Developer Tool
JSON TOOL
Format, validate, minify, query, and convert JSON — 100% private, no server uploads.
Options
Extras
Enter a JSONPath expression. Supports dot notation, array indexes, wildcards (*), and deep scan (..).
Click "Schema" to generate.
Output
Lines: 0
Chars: 0
Time: 0ms
History
No recent actions. Format, validate, or minify JSON above.
Frequently Asked Questions
How does the JSON Formatter work?
Simply paste your JSON into the input field. The tool instantly formats and validates it directly in your browser.
Is my JSON data safe?
Yes. All processing happens locally in your browser. Your data never touches any server and is never stored.
How to Use
01
Paste JSON
Paste your JSON data into the input text area.
02
Select Mode
Choose between Format, Validate, or Minify modes.
03
View Result
Instantly see the formatted JSON, explore the tree view, or copy the output.
About the JSON Formatter & Validator
The JSON Formatter & Validator is a free online tool that helps you format, validate, minify, and convert JSON data.
Built with privacy in mind, all processing happens directly in your browser. No sign-up required, no data stored, no tracking.