NetMirror Extension: What It Is and Whether You Need It
You searched for a NetMirror extension, found one in the browser store, and now you are not sure if it plays movies. It does not. This page tells you what it really is, so you can skip it or install it with your eyes open.
I have not installed this extension myself. Everything below comes from its public store listings.
What Is the NetMirror Extension?
It is a small browser add-on called Netmirror Extension. The listing describes it as a tool that adds, changes or removes an HTTP header on requests your browser sends. It appears on the Chrome Web Store and on Firefox Add-ons.
Can You Watch Movies With It?
No. Nothing in its description mentions movies, shows or streaming. It works behind the scenes on web requests. If you want to watch something, this is not the tool.
What the Extension Actually Does
Every time your browser opens a page, it sends a small block of information called a header. The extension lets you edit that block. Web developers use this to test how a site reacts when the request looks different. That is the whole job.
Who Needs It
Mostly web developers and testers. If you do not know what a request header is, you almost certainly do not need it.
I could not find any proof that this extension is made by the team behind the NetMirror app. Sharing a name does not mean sharing an owner.
What Permissions It Asks For
The Firefox listing says it needs access to your data on all websites. That means it can run on every page you open, banking and email included. This is normal for a header tool, but it is a lot of access for something most people have no use for.
Where to Find It (Chrome, Edge, Firefox)
Search “Netmirror Extension” in the Chrome Web Store or on Firefox Add-ons. Edge can usually install extensions from the Chrome Web Store too. Open the listing and read the description and permissions before you click Add.
How to Check and Remove Extensions in Your Browser
Chrome: click the three dots, then Extensions, then Manage extensions. Turn the switch off or press Remove.
Edge: click the three dots, then Extensions, then Manage extensions. Press Remove.
Firefox: click the menu, then Add-ons and themes, then Extensions. Click the three dots next to it and choose Remove.
Do this every few months. Extensions you forgot about still have access.
NetMirror Extension vs NetMirror Web vs the APK
The extension edits browser requests. NetMirror Web means opening a website in your browser. The APK is the Android app you install on a phone. These are three different things, and having one does not give you the other two.
Problems After Installing It
A website stopped loading. Changing headers can break sites. Switch the extension off and reload the page.
The icon is missing. Click the puzzle piece in the toolbar and pin it.
It does nothing. It only works when you set a header rule yourself. It does not do anything on its own.
You do not remember installing it. Remove it from the extensions list and run a scan on your computer.
FAQ
I found nothing that proves it is.
The listings I saw did not show a price. Check the store page.
I have not tested it. Read the permissions and reviews first, and install it only if you have a real reason.
The Firefox listing says it works on Firefox for Android. Chrome on phones does not support extensions.