Is CSSViewer safe?

Clean risk

This extension lets users view CSS properties on web pages.

CSSViewer provides a simple way to inspect CSS properties in Firefox Quantum. Its permissions allow it to run on HTTP, HTTPS, and local file pages, access tab information, and add context menu items.

Mohsen KhanpourFirefox Add-ons
0Risk
Who publishes it

Mohsen Khanpour - no other listings under this identity

What this publisher told the store about itself, and the other listings that told it the same thing.

Publisher
Mohsen Khanpour

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

Publishers can request a review.

Updated 15 October 2026amo-980085