uBlock Origin no longer works on Chrome
You can no longer use the popular uBlock Origin on Chrome.
It is because Google has completed its move to Manifest V3 (MV3), which changes how extensions work in Chrome.
Many websites, forum posts, and YouTube videos that show how to install uBlock Origin on Chrome are now outdated.
Some guides recommend changing hidden settings, editing the Windows Registry, installing old extension files, or using command-line switches such as:
--disable-features=ExtensionManifestV2Unsupported,ExtensionManifestV2Disabled
This command was once used as a temporary workaround to keep older Manifest V2 extensions running.
It no longer works in current versions of Google Chrome.
You may also find videos with titles like "How to Fix uBlock Origin in Chrome" or "How I Got uBlock Origin Back in Chrome."
These methods are obsolete and can no longer restore uBlock Origin extension.
So is the older Manifest V2 development files in GitHub (https://github.com/gorhill/ublock).
They cannot bring back full uBlock Origin functionality in modern Chrome or other Chromium-based browsers.
Today, the Chrome Web Store only offers uBlock Origin Lite.
It can block some ads, but it lacks many of the advanced features that made the original uBlock Origin so effective.
If you want the full uBlock Origin experience, switch to either Mozilla Firefox or Brave.
They still support the extension features needed for powerful ad and tracker blocking.
This post is about how to install uBlock Origin on Firefox with just one click.
How to install uBlock Origin on Firefox (Desktop)
Installing uBlock Origin on Firefox only takes a few seconds.
- Open Mozilla Firefox.
- Go to the official Mozilla Add-ons page for uBlock Origin.
- Click the blue Add to Firefox button.
- Click Add when Firefox asks for permission.
- Wait a few seconds for the installation to complete.
- Click the puzzle icon in the top-right corner
- Find uBlock Origin in the list of extensions
- Pin it on the toolbar for easy access (optional)
Once installed, the uBlock Origin icon will appear in Firefox's toolbar.
uBlock Origin will immediately start blocking ads, trackers, pop-ups, and other unwanted content while you browse.
How to Install uBlock Origin on Firefox (Desktop)
- Open Mozilla Firefox.
- Visit the official Mozilla Add-ons page for uBlock Origin.
- Click the blue Add to Firefox button.
- Click Add when prompted.
- Wait a few seconds for the installation to finish.
Once installed, uBlock Origin will automatically start blocking ads, trackers, pop-ups, and other unwanted content.
How to install uBlock Origin on Firefox (Android)
The procedure is similar to installing it on the Desktop, as explained above.
- Open Firefox on your Android device.
- Visit the official Mozilla Add-ons page for uBlock Origin.
- Tap the Add to Firefox button.
- Tap Add button to confirm the installation.
- Wait a few seconds for Firefox to install the extension.
After installation, uBlock Origin will automatically block ads, trackers, pop-ups, and other unwanted content while you browse.
Can You Install uBlock Origin on Firefox for iPhone?
No, you cannot install uBlock Origin on Firefox for iPhone (iOS).
Firefox on iOS is required to use Apple’s browser engine (WebKit).
And Apple does not allow full browser extensions like uBlock Origin on any browser, including Firefox, Chrome, or Safari.
Conclusion: How to install uBlock Origin on Firefox
The internet has changed, and older workarounds no longer work on Chromium-based browsers like Chrome.
Now you know how to install uBlock Origin on Firefox for both desktop and Android.
This helps you browse with fewer ads, better privacy, and improved speed.
If you want full support for uBlock Origin, Firefox is the most reliable option.
Switching away from Chrome gives you more control over your browsing experience and helps you stay protected from ads, trackers, and unwanted content.
You can also use Brave, which supports uBlock Origin-style blocking features and allows additional privacy protection through extensions and built-in shields.
👉 Related guide: How to install uBlock Origin on Brave.