What does OpenAPI Viewer do?
Preview and sanity-check OpenAPI or Swagger text. It transforms the input into a clearer or alternate format and should be checked when formatting, encoding, or order matters.
OpenAPI Viewer
Preview and sanity-check OpenAPI or Swagger text.
Same-page code & data workflow
Paste or configure the developer input, run the utility, then review the formatted output below without switching screens.
Step 1
OpenAPI Viewer input
Required
Required before running this tool.
Step 2
OpenAPI Viewer result
Review the output below. Update the input above and run again whenever needed.
No output yet.
Enter the required input above and run the tool to see results here.
OpenAPI Viewer FAQ
How is this processed?
This tool is designed for browser-friendly use and avoids unnecessary server-side storage.
Can I rely on the result?
Review the generated result before using it in important work.