Format, validate, and beautify JSON data instantly. Our free JSON formatter makes minified JSON readable, highlights syntax errors, and helps you debug API responses.

Working with JSON is part of every developer's daily routine. But minified API responses and config files are nearly impossible to read. Our free JSON formatter instantly transforms ugly, compressed JSON into beautifully indented, readable code.

What Our JSON Tool Does

• Format JSON: Adds proper indentation and line breaks
• Validate JSON: Catches syntax errors with line numbers
• Minify JSON: Compresses JSON for production use
• Tree view: Collapsible sections for easy navigation

How to Format JSON Online

1. Go to Toolrivo's JSON Formatter at toolrivo.com/tool/json-beautifier
2. Paste your minified JSON
3. Click "Format" or "Beautify"
4. Copy the clean, indented result

Common JSON Issues Fixed by Our Tool

• Missing commas or brackets
• Unescaped quotes inside strings
• Trailing commas (invalid in JSON)
• Wrong quote types (must use double quotes)

👉 Try it now: toolrivo.com/tool/json-beautifier