OpenAPI Viewer
Browse and validate OpenAPI 3.0/3.1 specs — paste JSON or YAML to explore endpoints, schemas, and examples offline.
About the OpenAPI Viewer
Paste any OpenAPI 3.0 or 3.1 specification in JSON or YAML format to instantly browse endpoints grouped by tag, inspect parameters and responses, and validate the spec for common issues — all 100% offline in your browser.
OpenAPI Viewer
OpenAPI Viewer is a free, client-side tool designed to help developers with view and validate openapi 3.0/3.1 specs — browse endpoints, schemas, and examples offline..
How to Use
- Input your data into the primary editor or upload a file.
- Adjust any necessary configuration options.
- View the output in real-time or click the action button to process.
- Copy or download the results securely.
Privacy First
All processing happens directly in your browser. We never send your sensitive data to our servers.
Frequently asked
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