A browser-based editor for designing, editing, and visualizing OpenAPI, AsyncAPI, and API Design Systems specifications.
Swagger Editor is a browser-based editor for creating, editing, and visualizing API specifications in OpenAPI, AsyncAPI, and API Design Systems formats. It provides real-time validation, syntax highlighting, and interactive previews to help developers design accurate and well-documented APIs efficiently.
API developers, technical writers, and architects who need to design, document, and validate API specifications using OpenAPI, AsyncAPI, or API Design Systems standards.
Developers choose Swagger Editor for its extensible plugin architecture, support for multiple API specification formats, and seamless integration with Swagger UI for real-time previews, all available as a self-hostable open-source solution.
Swagger Editor
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Edits and previews OpenAPI (2.0-3.2), AsyncAPI (2.x, 3.x), and API Design Systems specs, covering most modern API documentation standards as highlighted in the multi-format support feature.
Provides instant syntax and specification error highlighting as you type, reducing mistakes during API design with configurable validation modes.
Modular plugin system allows deep customization, including integration with Swagger UI for live previews and composing custom editor versions, as detailed in the plugins and presets sections.
Offers npm package for integration, standalone web app, and Docker containers for self-hosting, providing flexibility for various development and production environments.
Requires extensive webpack setup with polyfills for Node.js modules and can trigger memory errors during bundling, necessitating heap limit extensions as warned in the installation notes.
Built with React 18 by default, and integrating with older React versions requires manual overrides or resolutions via npm or yarn, adding maintenance overhead and potential compatibility issues.
Significant codebase leads to large bundle sizes and potential performance impacts, with the README noting out-of-memory errors during builds and the need for optimized webpack configurations.