Preview OpenAPI and Swagger specs from JSON or YAML, inspect paths and methods, and copy endpoint summaries locally.
Paste OpenAPI JSON or YAML.
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Paste OpenAPI specs in either JSON or YAML format.
List paths, methods, operation IDs, summaries, tags, and parameters.
Inspect title, version, server URLs, and total operation counts.
Copy a readable endpoint inventory for tickets and docs.
Works well with JSON Schema and JSON formatting workflows.
Specs remain in the browser and are not fetched or uploaded.
No. Paste the spec text directly so the preview remains local and predictable.
The viewer reads common OpenAPI 3.x and Swagger 2.0 fields for overview and endpoint inventory.
This page previews and summarizes specs. Full semantic validation can be added as a future enhancement.