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JSON Schema 验证器 - 在线验证 JSON 数据

免费在线 JSON Schema 验证工具。根据 JSON Schema 规范验证 JSON 数据，检查类型、必填字段、格式等。浏览器端处理，无需上传数据。

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How to Use JSON Schema Validator

  1. Paste your data into the JSON Schema Validator input area
  2. Click Validate to check your data against the rules
  3. Review any errors or warnings shown in the results
  4. Fix issues based on the detailed error messages provided

Common Use Cases

  • Validating API payloads against JSON Schema definitions
  • Testing JSON data structure compliance
  • Debugging schema validation errors in applications
  • Verifying JSON documents meet specification requirements

Frequently Asked Questions

Is JSON Schema Validator free to use?
Yes, JSON Schema Validator is completely free with no signup required. You can use it as many times as you need.
Is my data safe when using JSON Schema Validator?
Absolutely. All processing happens directly in your browser. Your data is never sent to any server or stored anywhere.
What validation rules are checked?
JSON Schema Validator checks against the official specification and reports syntax errors, structural issues, and common mistakes.
Can I validate large documents?
Yes, validation happens in your browser and can handle documents of any reasonable size efficiently.
Does it show where errors are located?
Yes, JSON Schema Validator highlights the exact location of errors and provides descriptive messages to help you fix them.