Free Developer Tool
OpenAPI Viewer
Parse and visualize OpenAPI and Swagger specifications in a readable format.
API Title
Demo API
Version
1.0.0
OpenAPI Version
3.0.0
Endpoints (2)
GET /users — Get users
GET /users/{id} — Get user by ID
Schemas (0)
No schemas found.
What is OpenAPI Viewer?
OpenAPI documents can be difficult to read in raw JSON or YAML. This tool provides a clean overview of endpoints and schemas.
How to use
- Paste OpenAPI JSON or YAML.
- Parse the specification.
- Browse endpoints and schemas.
Features
- Swagger support
- OpenAPI 3 support
- Endpoint listing
- Schema inspection
- Browser-based parsing
Example
Input
openapi: 3.0.0 info: title: Demo API
Output
Parsed API information, endpoints and schemas.
FAQ
Does it support Swagger files?
Yes. Swagger and OpenAPI specifications are supported.
Can I paste YAML?
Yes. YAML and JSON formats are supported.
Is my API specification uploaded?
No. Everything is processed locally.
Missing a feature?
If this tool doesn't cover your use case or is missing functionality, please let me know through the Contact page.
New improvements and features are added based on user feedback.