JSON Validator Pro
Validate, format, and beautify your JSON with real-time syntax checking
✅ Real-time validation
🎨 Syntax highlighting
📊 Tree view
📋 Copy & Download
🔄 Minify/Prettify
📝 JSON Input
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🎯 Output
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JSON Nodes
Examples:
Recent Validations
Frequently Asked Questions
🔍 What is JSON validation?
JSON validation checks if your text follows proper JSON syntax rules - correct brackets, quotes, commas, and data types.
🎨 Is syntax highlighting supported?
Yes! We provide full syntax highlighting for keys, strings, numbers, booleans, and null values.
📊 What's the tree view?
Tree view shows your JSON as an expandable/collapsible hierarchy, making complex data easy to navigate.
🔄 Can I minify JSON?
Yes! Use the "Minify" button to remove all whitespace, or "Prettify" to format with proper indentation.
📋 How do I copy results?
Click the "Copy" button to copy formatted JSON to clipboard, or "Download" to save as .json file.
🔒 Is my data private?
100% client-side! Your JSON never leaves your browser. No server uploads, completely private.