Postman Collection to Swagger
Paste a Postman collection, drop a .json file, or load one from a URL — get a validated OpenAPI 3.0 spec instantly. Everything runs in your browser; nothing is uploaded.
A Postman collection is your saved requests; an OpenAPI spec describes the API itself, for anyone consuming it. Postman can't export one as the other, which is what this converts. More on the difference: Open API and Why Use It.
Drop a Postman collection .json file here, or
The OpenAPI spec will appear here as you type or paste a Postman collection.Convert a collection first to preview it here.