JSON Validator & Formatter
Validate, lint, and beautify your JSON code. Detect errors, format messy JSON, and ensure proper syntax for data interchange.
đ Understanding JSON & Validation
What is JSON?
JSON (JavaScript Object Notation) is a lightweight, human-readable data-interchange format. It’s language-independent and used widely for APIs and configuration files.
JSON Syntax Rules
âĸ Data in name/value pairs
âĸ Objects in curly braces {}
âĸ Arrays in square brackets []
âĸ Keys must be in double quotes
âĸ Strings in double quotes only
Common JSON Errors
âĸ Trailing commas
âĸ Missing quotes around keys
âĸ Using single quotes instead of double
âĸ Invalid escape characters
âĸ Missing commas between items
Why Validate JSON?
Validation ensures your JSON is properly formatted before using it in APIs, databases, or configuration files. Catch errors early and save debugging time.
âšī¸ This JSON Validator checks your code against strict JSON standards. All processing happens locally in your browser â no data is sent to any server. Safe for AdSense, completely private, and perfect for debugging JSON data.
Why Use Our JSON Validator?
Validate
Check JSON syntax
Format
Beautify messy code
Minify
Compress JSON size
Copy Output
One-click copy
Error Detection
Pinpoint exact errors
Privacy First
100% client-side