JSON Validator
Validate and format your JSON code
How to Use
- Paste your JSON code in the input area
- Click Validate JSON
- View validation results and any error details
All processing is done in your browser, and files are never sent to a server.
Frequently Asked Questions
What does JSON validation check?
It checks for proper syntax including matching brackets, correct use of commas, valid string formatting, and proper value types.
Can it fix invalid JSON?
The validator identifies errors but does not automatically fix them. It shows you where the error is so you can correct it.
Does it support JSON5 or JSONC?
No, it validates standard JSON format only.