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JSON to Swagger

Generate Swagger 2.0 API definitions from your JSON data samples. Perfect for creating API documentation from existing data structures.

Input

json
loading editor…

Paste your JSON data here...
or drop a file anywhere in this pane

Output

json

Swagger definition will appear here...
press to generate swagger

What Is Swagger?

Swagger (OpenAPI 2.0) is a specification for describing RESTful APIs. It defines endpoints, request/response formats, authentication, and more in a machine-readable format.

How to Use

  1. Paste your JSON data sample into the input editor.
  2. Click "Generate Swagger" to create a Swagger definition.
  3. Copy or download the generated Swagger spec.

Frequently Asked Questions

Is this tool safe?

Yes. Processing is 100% client-side with no server upload.

What Swagger version is generated?

This tool generates Swagger 2.0 (OpenAPI 2.0) specifications.

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