A lightweight, powerful, and theme-aware VS Code extension to preview OpenAPI YAML and JSON files using a high-fidelity Swagger UI. It works entirely offline with local assets, ensuring your API definitions never leave your environment.
✨ Features
High-Fidelity Rendering: Full Swagger UI integration for a professional experience.
Theme Aware: Seamlessly adjusts to your VS Code dark and light themes.
Offline Ready: No CDN dependencies; uses local assets for maximum privacy and speed.
Flexible Access:
Command Palette (Cmd+Alt+O / Ctrl+Alt+O)
Editor title button (quick-access icon)
Explorer context menu (right-click any YAML/JSON)
Editor context menu
Auto-Detection: Smartly recognizes OpenAPI/Swagger files to stay out of your way when not needed.
🚀 Getting Started
Open any .yaml, .yml, or .json OpenAPI/Swagger file.
Click the OpenAPI Viewer icon in the editor title bar (top-right).
Alternatively, use the command palette (Cmd+Shift+P) and search for Simple OpenAPI Viewer: Open Current File.
🛠️ Requirements
VS Code version 1.74.0 or higher.
A valid OpenAPI (2.0, 3.0, 3.1) or Swagger definition file.
📦 Installation
You can install the extension from your preferred marketplace: