Is uMatrix safe?
Controls which websites can load cookies, scripts, images, frames, and other request types.
This extension provides a point-and-click matrix for allowing or blocking network requests by destination domain and content type. It shows remote connections that are allowed or blocked and lets advanced users create scoped rules, such as allowing a domain on one site while blocking it elsewhere.
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 1.4.4. 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
<all_urls>
Clear your browsing history, cache and cookies
browsingData
Read and change cookies, including the ones that keep you signed in
cookies
Change your browser's privacy and security settings
privacy
Store data in your browser
storage
See the address and title of every tab you have open
tabs
Store an unlimited amount of data in your browser
unlimitedStorage
See every page you navigate to, as you navigate to it
webNavigation
Watch every request your browser makes
webRequest
Watch, block and rewrite every request your browser makes
webRequestBlocking