CodeNeat

JSON Formatter for Swagger & OpenAPI

Your data never leaves your browser

OpenAPI specs define your API surface. Format and navigate without uploading to third parties.

Example

{"openapi": "3.1.0", "info": {"title": "User API", "version": "2.0"}, "paths": {"/users": {"get": {"summary": "List users"}}}}
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Tips

  1. 1Tree view for paths, schemas, security.
  2. 2Convert to YAML with built-in converter.
  3. 3Validate syntax before OpenAPI linters.

Frequently Asked Questions

Convert to YAML?

Yes. JSON to YAML button.

OpenAPI validation?

JSON structure only. Use Spectral for spec rules.

Individual endpoints?

Yes. Any JSON fragment works.