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JSON Validator

Validate JSON syntax, format JSON code, and get detailed error information with line numbers. Professional JSON validation and formatting tool.

JSON Input

Characters: 0 Lines: 0

Validation Results

Ready to validate JSON

Validation History

JSON Validator Features

Syntax Validation

Comprehensive JSON syntax checking with detailed error reporting and line numbers.

Format & Minify

Format JSON for readability or minify to reduce file size for production use.

Error Detection

Pinpoint exact error locations with line and column numbers for easy debugging.

Statistics

Get detailed statistics about your JSON structure including object and array counts.

Valid JSON
`; this.validationDetails.style.display = 'block'; this.errorDetails.style.display = 'none';

Syntax Validation

Comprehensive JSON syntax checking with detailed error reporting

Format & Minify

Format JSON for readability or minify to reduce file size

Error Detection

Pinpoint exact error locations with line and column numbers

lidationStatus">
Ready to validate
ate JSON Online"; $pageDescription = "Validate JSON online with our advanced JSON validator. Check syntax, format JSON, and get detailed error information with line numbers."; $pageKeywords = "JSON validator, validate JSON, JSON syntax checker, JSON parser, JSON format checker, JSON error finder"; $canonicalUrl = "https://paterro.com/json-validator.php"; include 'header.php'; ?>

JSON Validator

Validate JSON syntax, format JSON code, and get detailed error information with line numbers.

JSON Input

Characters: 0 Lines: 0
❓
Ready to validate

Validation History

JSON Validator Features

✅

Syntax Validation

Comprehensive JSON syntax checking with detailed error reporting

🎨

Format & Minify

Format JSON for readability or minify to reduce file size

🔍

Error Detection

Pinpoint exact error locations with line and column numbers

📊

Statistics

Get detailed statistics about your JSON structure