Free, browser-based utilities for everyday developer workflows

OpenAPI → Code Snippets

Paste an OpenAPI (3.x) spec (JSON or a practical YAML subset) to extract endpoints. Select an operation to generate an example cURL.

  • Paste OpenAPI/Swagger spec (JSON or YAML).
  • Pick an endpoint and generate cURL/Fetch/Axios snippets.
  • Perfect for API docs and client code samples.

OpenAPI input

Server:
YAML note: this tool supports common OpenAPI YAML patterns (maps/lists/strings); very advanced YAML features may not parse.

Endpoints

0 operations
Method Path Summary / OperationId
Paste a spec and click "Parse & Extract".
Click an endpoint row to generate cURL.

Generated cURL

No endpoint selected
Next: OpenAPI → Postman Collection Exporter cURL Converter HAR Sanitizer & Replay Packager

How to use OpenAPI → Code Snippets

Paste or upload an OpenAPI (Swagger) spec in JSON or YAML format. Select an endpoint from the list, choose your target language — cURL, fetch, Axios — and the tool generates a ready-to-run code snippet with the correct URL, method, and parameter placeholders.

Common use cases

Developers use this to bootstrap client code when consuming new APIs without writing boilerplate from scratch. QA teams use it to generate test requests directly from API specs, and technical writers use it to produce accurate code examples for 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.