JSON formatter & validator
Validate, format or minify JSON.
Open toolJSON key sorter
Sort object keys recursively for readable JSON.
Your input stays in this browser. No account needed.
THE QUICK GUIDE
How to use json key sorter
Enter your text, then process it. Copy or download the result.
How it works
Sorts object keys recursively while preserving array order; numeric-looking keys follow JavaScript ordering.
A useful example
{"z":1,"a":2} → { "a": 2, "z": 1 }
Good to know
Input stays in your browser. Text input is limited to 200,000 characters. CSV cells containing formulas should be reviewed before opening in spreadsheet software.