OpenAPI Validator

Validate your YAML against OpenAPI specifications and preview API documentation

OpenAPI YAML Input

Output

Frequently Asked Questions

What does the OpenAPI Validator do?

Our OpenAPI Validator tool validates your YAML against OpenAPI specifications and provides a real-time preview of your API documentation using Swagger UI. It helps developers ensure their API documentation is valid and visualize how it will appear to users.

Is my data secure when using this tool?

Yes, your data is completely secure. All validation and preview happens locally in your browser, and your OpenAPI specification never leaves your device or gets sent to any server.

What features does the OpenAPI Validator offer?

The tool offers multiple features including YAML validation, real-time Swagger UI preview, syntax highlighting, detailed error messages, copy to clipboard functionality, and support for OpenAPI 3.0 specifications.