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JSON Validator

JSON Validator

Validate your JSON syntax and get detailed error information

JSON Input
Validation Result
🔍

JSON validation will appear here

Paste JSON in the input area and click "Validate JSON"

JSON Validation Tips

Common JSON Rules:

  • • Use double quotes for strings
  • • No trailing commas allowed
  • • Property names must be quoted
  • • No comments allowed in JSON

Quick Fix Features:

  • • Removes trailing commas automatically
  • • Converts single quotes to double quotes
  • • Adds quotes around unquoted keys
  • • Replaces undefined with null
  • • Removes JavaScript comments
  • • Fixes missing/extra commas