Swagger Editor lets you design, edit, and preview OpenAPI specifications right in your browser—no installation needed, just start creating APIs easily.
Design and test APIs directly in your browser
Swagger Editor is a web-based tool that makes it easy to create, edit, and preview OpenAPI specifications for your APIs. You don’t need to install anything—just open the site and start designing your API structure, endpoints, and documentation in a simple, interactive interface.
Whether you’re a developer working on a new project or collaborating with a team, you can write and validate your API definitions, see real-time previews, and even generate code snippets. It’s a handy way to streamline your API development process and ensure everything is documented clearly and consistently.
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