About This Tool
Documentation
What does this tool do?
An enterprise-grade JSON Schema validator powered by AJV. Validates complex JSON objects against standard JSON Schema definitions, supporting custom formats, strict mode, type coercion, and providing precise error messages with JSON pointer paths for every schema violation.
When should you use it?
Use this tool to test API contract compliance, validate configuration files before application startup, verify form submission payloads, or debug JSON validation errors in CI/CD pipelines.
Key Capabilities & Features
Highlights
Validate JSON payloads against JSON Schema specifications (Draft-04, Draft-07, Draft 2020-12)
Pinpoint validation errors with exact JSONPath locations, expected schemas, and failing values
Support for complex schema keywords: anyOf, allOf, oneOf, not, pattern, and dependencies
Interactive dual-pane editor with live validation feedback as you type
Built-in starter JSON Schema templates for common data structures and API models