Free, browser-based utilities for everyday developer workflows

OpenAPI -> Postman Collection Exporter

Paste an OpenAPI 3.x spec (JSON or practical YAML subset) and generate a full Postman Collection (v2.1), including optional collection variables like baseUrl, token, apiKey.

  • Paste an OpenAPI spec to export a Postman collection.
  • Group by tags and include request bodies/headers.
  • Useful for QA and API testing workflows.

OpenAPI input

0 operations 0 servers 0 variables
Server:
Collection name:
Path/query placeholder style:
YAML note: supports common OpenAPI YAML patterns (maps/lists/strings). Advanced YAML features may not parse.

Postman Collection (v2.1)

Parse an OpenAPI spec to preview the Postman collection here.
Next: OpenAPI Client Snippets Request Snippet Generator HAR Sanitizer

How to use OpenAPI → Postman Collection Exporter

Paste or upload an OpenAPI spec and click Export. The tool converts it to a Postman Collection v2.1 JSON file that you can import directly into Postman or Newman for testing all documented endpoints.

Common use cases

API developers use this to quickly onboard their team to a new API without manually creating a Postman collection. QA teams use it to generate a full test collection from a spec in seconds, and developer advocates use it to produce importable examples for API documentation.

Why run this in your browser?

All processing happens locally in your browser. Your data never leaves your machine, making it safe for sensitive payloads, internal API responses, and confidential configurations.