OpenAPI JSON Viewer
Inspect an OpenAPI or Swagger JSON document and extract its title, version, and API operations.
Last updated: 2026-10-25
Free Online OpenAPI JSON Viewer
Use this free online openapi json viewer tool directly in your browser without installing software. Fast, mobile friendly and easy to use.
OpenAPI JSON Viewer
Process your input locally in this browser.
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About This Tool
About OpenAPI JSON Viewer
Inspect an OpenAPI or Swagger JSON document and extract its title, version, and API operations. This tool runs in your browser and does not upload the data you enter.
How to use it
- Enter or paste your input.
- Choose the available options and process it.
- Copy the result or download it.
Frequently Asked Questions
Is this tool free to use?
Yes. It runs in your browser and does not require an account.
Is my input uploaded?
No. The tool processes the input locally in your browser.
Can I copy or save the result?
Yes. Use the copy and download controls shown with the result.
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