FAQs

About JSONLint

JSONLint is a validator and reformatter for JSON, a lightweight data-interchange format. Copy and paste, directly type, or input a URL in the editor above and let JSONLint tidy and validate your messy JSON code.

Features

• Validate JSON syntax
• Format and beautify JSON
• Compress/minify JSON
• Syntax highlighting
• Line numbers & folding
• Dark/Light theme
• Real-time error detection
• Download formatted files
• Copy to clipboard

Tips

• Ctrl+Enter to validate
• Real-time syntax validation
• Bracket matching
• Auto-indentation
• Code folding support
• Choose your preferred theme
• Works with large JSON files

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FAQs

How accurate is the formatter?

How to format JSON using a code editor?

What is the structure of formatted JSON?

Is the JSON object formatter suitable for complex structures?

How easy is it to use the online JSON formatter?

Are there any limitations to the formatter?