JSON Validator

Check JSON for syntax errors and compliance with Small SEO Tools’ free Validator.

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The JSON Validator by Small SEO Tools scans JSON data for errors like missing quotes, trailing commas, or incorrect brackets. This tool ensures data integrity before deployment or processing.

How It Works

Paste JSON into the tool. Valid JSON returns a green checkmark; invalid JSON shows error details (e.g., Error: Unexpected token '}' at line 3).

Key Features

Line Numbering: Pinpoint errors to specific lines.

Schema Validation: Upload a JSON Schema for advanced checks.

Auto-Correct Suggestions: Fix common mistakes with one click.

Use Cases

APIs: Validate payloads before sending requests.

Data Pipelines: Ensure ETL processes receive clean JSON.

Education: Teach JSON syntax rules interactively.

Benefits

Undetected JSON errors crash applications. This tool acts as a safety net for developers.

FAQs

Does it support JSONP? No—validate standard JSON only.

Can I validate against a schema? Yes—upload a .schema.json file.

Conclusion

The JSON Validator safeguards systems from malformed data, ensuring seamless operations.

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