Working with JSON data? Our free JSON validator helps you check JSON syntax, find errors, and ensure your data is properly formatted—no software, no signup, instant validation.
In this guide, we'll show you how to validate JSON, understand common errors, and write better JSON code.
Explore our json validator tool
What is JSON Validation?
JSON validation checks if your JSON data follows proper syntax rules. Valid JSON must have correct brackets, quotes, commas, and data types. Our validator instantly identifies errors and shows you exactly where they are.
Why Validate JSON:
- •Find syntax errors before deployment
- •Ensure API compatibility
- •Debug configuration files
- •Verify data integrity
How to Validate JSON (3 Easy Steps)
1
Paste JSON Code
Copy and paste your JSON data into the validator.
2
Instant Validation
The tool checks syntax and highlights any errors found.
3
Fix & Verify
Correct errors and re-validate until JSON is perfect.