ParseNest
中文
Developer

OpenAPI Inspector & Preview

Inspect OpenAPI 3.0 / 3.1 JSON or YAML locally, check common structural mistakes and browse operations.

Local processing
OpenAPI Inspector & Preview

Input is processed locally in this tab, without automatic saving. Export only data you intend to share.

Scope and usage

What is supported?

OpenAPI 3.0 / 3.1 only; basic structure and local references are checked. This is not full specification or JSON Schema conformance validation. External references are never fetched. Input limit: 1 MiB.

Is input saved?

Input is processed locally in this tab, without automatic saving. Export only data you intend to share.

Keep working

API Compatibility Review

Compare two OpenAPI documents and review removed operations, parameters and schema changes.

Temporary Mock API

Create a temporary JSON endpoint with status codes, bounded delays and response sequences.

JSON Schema

Validate JSON against common Draft 2020-12 schema keywords and see every issue by data path. Runs locally in your browser.