Is CSSViewer safe?

Clean risk

Shows CSS properties for page elements when you enable it and hover over them.

This extension lets you click the toolbar icon, then hover over elements on the current page to inspect their CSS properties. The description also notes keyboard shortcuts, local file support, an inspect-element menu item, and CSS definition generation in past versions.

0Risk

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

Publishers can request a review.

What it can do

Permissions this extension asks for, as declared in version 1.7. Asking for a permission is not a finding on its own - it is what the extension can do if it chooses to.

  • Read and change your data on every site you visit

    http://*/* and 1 more

  • Read and change your data on every secure site you visit

    https://*/*

  • See the address and title of every tab you have open

    tabs

  • Add items to the right-click menu

    contextMenus

Updated 30 September 2026ggfgijbpiheegefliciemofobhmofgce