JSON Validator
Validate JSON syntax and find errors instantly. Get detailed error messages with line and column numbers.
JSON Input
Real-time syntax validation
Detailed error messages
Line and column error location
Common error suggestions
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How to Use the JSON Validator
Our json validator makes working with JSON simple:
- 1.Paste your JSON into the input area
- 2.Configure options if available (indent size, delimiter, etc.)
- 3.Click the action button to process your JSON
- 4.Copy or download the result
Common Use Cases
- •Debugging API responses
- •Checking configuration files
- •Validating user input
- •Testing JSON generation
Why Use Our JSON Validator?
- •100% Private: All processing happens in your browser
- •No Registration: Use immediately without creating an account
- •No Limits: Process as much JSON as you need
- •Works Offline: Once loaded, works without internet
- •Free Forever: No hidden fees or paywalls
About JSON
JSON supports these data types:
•Objects:
{}•Arrays:
[]•Strings:
"text"•Numbers: int/float
•Booleans:
true/false•Null: empty value
JSON Best Practices
- •Always use double quotes for keys and strings
- •Avoid trailing commas after the last item
- •Use meaningful key names that describe the data
- •Keep nesting reasonable for readability