Professional JSON Schema tooling that brings real-time linting, metaschema
validation, and automatic formatting directly into your editor.
Install from the Visual Studio Code Marketplace

[!TIP]
Do you want to level up your JSON Schema skills? Check out
learnjsonschema.com, our growing JSON
Schema documentation website, our JSON Schema for
OpenAPI video
course, and our O'Reilly book Unifying Business, Data, and Code: Designing
Data Products with JSON
Schema.
Features
- Real-time Linting: Detect anti-patterns, validate references, and ensure
best practices
- Automatic Formatting: Format schemas with consistent indentation and
keyword ordering
- Metaschema Validation: Verify schemas are valid according to their
declared metaschema
- Precise Error Navigation: Click on errors to jump directly to the
problematic code
- Schema Health: Visual health indicators for your schemas
- Inline Diagnostics: See errors and warnings directly in the editor with
Visual Studio Code's diagnostic system
- YAML Support: Full support for JSON Schema written in YAML
- Configuration Support: Full support for
jsonschema.json
manifests
Support
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