🧪 JSON Validator Online
Paste your JSON string to check its validity. Instantly catch syntax errors or get a well-formatted result.
What Is JSON and Why Validate It?
JSON (JavaScript Object Notation) is a lightweight data format widely used in APIs, config files, and web apps.
- 📦 Validate configuration files in JSON
- 🔧 Debug API requests
- 🧠 Useful for frontend and JavaScript development
- 📁 Clean up data before sending
Our validator helps you quickly find syntax issues, format your JSON, and avoid integration errors with external services.