OpenAPI Documentation Viewer

Import an OpenAPI or Swagger specification and turn it into navigable API documentation with Scalar.

Local processing

Drop your OpenAPI file here

Open a JSON, YAML, or YML file. The specification is read and rendered entirely in your browser.

The document is never uploaded or sent to a server.

Or paste the specification

JSON · YAML · OpenAPI 3.x · Swagger 2.0

Quick guide

How to use OpenAPI Documentation Viewer

OpenAPI Documentation Viewer is an online tool that helps you Import or paste an OpenAPI or Swagger specification and browse it as Scalar documentation directly in your browser. Everything lives on a dedicated page, so you can open it again later or share it with a direct link.

This page is linked from the See the full tools index index and from related utilities, which keeps it easy to reach for both users and crawlers. If you need a fast workflow, you can use it immediately without sign-up.

This page keeps readable content, a stable URL, and internal links to other tools on the site. That is the right setup to improve discovery and support long-term organic indexing.

FAQ

What does OpenAPI Documentation Viewer do?

OpenAPI Documentation Viewer helps you Import or paste an OpenAPI or Swagger specification and browse it as Scalar documentation directly in your browser. The result is immediate and the tool runs directly in the browser.

Is OpenAPI Documentation Viewer free?

Yes. OpenAPI Documentation Viewer is available online without payment and without creating an account.

Does OpenAPI Documentation Viewer work in the browser?

Yes. OpenAPI Documentation Viewer is designed to open from a direct URL and work online with a simple, immediate interface.