The Scalar OpenAPI Viewer is the essential tool for developers who work with APIs daily. Stop struggling with raw JSON or YAML…
Users
87
+17 in 30 days
Rating
1.0 / 5
+1.00 in 30 days
Ratings
1
+1 in 30 days
Store rank
#89K
#74K among extensions
Version
1.2
updated 18 Feb 2026
Users
monthly, 8 months
Latest, 16 Oct 2026:87 usersMove the mouse over the chart for any month
Ratings count
monthly, 8 months
Latest, 16 Oct 2026:1 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Scalar OpenAPI Viewer
The Scalar OpenAPI Viewer is the essential tool for developers who work with APIs daily. Stop struggling with raw JSON or YAML files and start visualizing your specs with the modern, high-performance Scalar interface.
Why you should install this extension:
* No More Raw JSON: Say goodbye to unreadable text blocks. View any OpenAPI spec as a beautifully organized, interactive documentation portal.
* Fast & Lightweight: Simply paste the URL and click "Open". No account required, no need to copy-paste code into external websites.
* System Integration: Automatically respects your OS settings with full Dark Mode and Light Mode support.
* Privacy-First: The extension runs entirely in a secure sandbox within your browser. Your API specifications are never stored or sent to third-party servers.
Perfect for:
* Backend Developers testing new endpoints.
* Frontend Developers exploring API capabilities.
* QA Testers validating API structures.
* Technical Writers reviewing documentation layouts.
Experience your API documentation the way it was meant to be—fast, beautiful, and interactive.