JSON Validation
Validates JSON format, detects errors and provides fix suggestions
Input mode
1
0 Characters | 1 Lines
Validation options
Validation result
Enter JSON content to start validation
Features
Real-time validation: detect JSON syntax while typing
Error location: precise line/column and reason
Batch validation: validate multiple files at once
JSONC support: allow comments and trailing commas
How to use the JSON Validator?
- Choose input mode (text or file) and enter/upload JSON
- Enable options as needed: strict mode, comments, trailing commas, duplicate keys
- Start validation or rely on real-time checks; review error details and positions
- Fix issues per suggestions; optional one-click formatting
FAQ
What is JSON validation?
It checks whether your JSON syntax and structure are correct, and shows precise error positions and explanations.
Does it support JSONC (comments)?
Yes. Enable allowing comments and trailing commas in validation options.
How do I run batch validation?
Switch to file upload mode and select multiple .json files to validate together.