Convert browser DevTools network recording (.har) into documented OpenAPI 3.1 YAML and JSON specifications.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Upload a .har file exported from your browser's DevTools Network panel, or paste raw HAR JSON.
Configure API title, version, and select output format (YAML or JSON).
Copy the inferred OpenAPI 3.1 specification to clipboard or download as a .yaml/.json file.
A HAR (HTTP Archive) file is a standard JSON-formatted log of a web browser's interaction with a site, exported from Chrome, Firefox, or Safari DevTools Network tabs.
No. All HAR parsing and OpenAPI schema generation happens entirely inside your browser sandbox.
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