JSON validator with syntax-checking and JSON Schema support.

JSON validation result
  • XML ValidatorBuddy is your JSON validator tool to create error free JSON content.
  • Quickly find not well-formed JSON and fix all errors with the built-in JSON editor.
  • Save time with Jump-to-error functionalities.
  • Supports the JSON Schema standard.
  • Validator for JSON Schemas to simplify schema creation.
  • Create JSON Schemas for Web services in less time.
  • Generate HTML documentation for JSON Schemas.

Download XML ValidatorBuddy now as your JSON validator:

Validate any number of JSON documents in less time

  • Run JSON well-formed checks for multiple documents directly from the built-in File Explorer.
  • Create validator batch tasks to check huge collections of JSON documents against a JSON schema.
  • Get detailed log files about the validation status of your JSON data.
  • Run the JSON validator as scheduled task using the included command-line tool.
JSON validator

Fix all errors with the built-in JSON editor

  • Use the JSON validator to find all content or well-formed errors at once.
  • Open any JSON data in the editor.
  • Jump-to-error functionality to quickly fix any parsing or validation errors.
  • The integrated JSON schema validator requires no configuration or additional setup.
  • Rich editor environment with syntax-coloring, code folding, copy-paste, find and replace, JSON Pointer evaluation and other standard editing capabilities.

The JSON Schema standard is used to describe any data format for JSON in a similar way XML Schema is used for XML. At the same time JSON Schema provides a human- and machine-readable documentation for JSON content. The standard supports complete structural validation as well as data type checking. JSON Schema is also often used to validate client-submitted data especially for JSON based web services. Use JSON Schema to create documentations for web APIs and check response data using a validator engine.

Together with the mature validator and batch functionalities of XML ValidatorBuddy, JSON Schema is an important technology for automated testing of JSON.

See also the guide at How to validate JSON

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