JSON formatter & validator
Validate, format or minify JSON.
Open toolRead URL query parameters as JSON.
Enter your text, then process it. Copy or download the result.
Uses URLSearchParams and groups repeated parameter values; input can be a URL or query string.
?name=Ali&tag=book&tag=tools → { "name": "Ali", "tag": [ "book", "tools" ] }
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.