JSON Validator

JSON HTTP Status Code Validator — Validate HTTP Status Code Format in JSON

Free online JSON status code validator. Validate status code format in JSON data with instant pattern checking. 100% browser-based — your data stays private.

What Is This?

JSON is a flexible data format, but when you need to store status code values, they should follow a consistent pattern. Our JSON HTTP Status Code format validator checks if status code strings in your JSON data match the expected format: 100-599. All validation happens in your browser — your JSON never leaves your device.

How to Use

1

Enter your JSON

Paste your JSON data containing the values you want to validate.

2

Select format

The validator automatically checks for HTTP Status Code format: 200.

3

Review results

Invalid values are highlighted with specific error messages for easy correction.

Examples

HTTP Status Code Example

200

Valid Usage

To validate status code format in your JSON data, paste your JSON string into the validator. The tool scans every string value and checks if it matches the status code pattern. Invalid values are highlighted with explanations, making it easy to fix data quality issues in your JSON documents.

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Frequently Asked Questions

What is a valid HTTP Status Code format?

A valid HTTP Status Code format follows the pattern: 100-599. Example: 200.

Does validation work on nested JSON?

Yes, the validator scans all string values at any depth in your JSON structure.

Is my JSON data uploaded anywhere?

No, all processing happens client-side. Your data never reaches any server.

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