uBlock Origin

Description

An efficient blocker: easy on memory and CPU footprint, and yet can load and enforce thousands more filters than other popular blockers out there.

Illustrated overview of its efficiency: https://github.com/gorhill/uBlock/wiki/uBlock-vs.-ABP:-efficiency-compared

Usage: The big power button in the popup is to permanently disable/enable uBlock for the current web site. It applies to the current web site only, it is not a global power button.

***

Flexible, it's more than an "ad blocker": it can also read and create filters from hosts files.

Out of the box, these lists of filters are loaded and enforced:

- EasyList
- Peter Lowe’s Ad server list
- EasyPrivacy
- Malware domains

More lists are available for you to select if you wish:

- Fanboy’s Enhanced Tracking List
- Dan Pollock’s hosts file
- hpHosts’s Ad and tracking servers
- MVPS HOSTS
- Spam404
- And many others

Of course, the more filters enabled, the higher the memory footprint. Yet, even after adding Fanboy's two extra lists, hpHosts’s Ad and tracking servers, uBlock still has a lower memory footprint than other very popular blockers out there.

Also, be aware that selecting some of these extra lists may lead to higher likelihood of web site breakage -- especially those lists which are normally used as hosts file.

***

Without the preset lists of filters, this extension is nothing. So if ever you really do want to contribute something, think about the people working hard to maintain the filter lists you are using, which were made available to use by all for free.

***

Free.
Open source with public license (GPLv3)
For users by users.

Contributors @ Github: https://github.com/gorhill/uBlock/graphs/contributors
Contributors @ Crowdin: https://crowdin.net/project/ublock

***

It's quite an early version, keep this in mind when you review.

Project change log:
https://github.com/gorhill/uBlock/releases

Permissions

Screenshots

Feedback from users

Reviews and ratings

cocos2000 says:

Rating: 5

great small tool, thank you

Sept. 1, 2017 - Version 1.13.8
quackduck63 says:

Rating: 5

Wow great piece of software.
I had no trouble installing it even with V.P.N on and the ad blocker within Opera. V.P.N. Stands for Virtual Private Network and hides your IP address from those who have no right having your IP address.
"TamperMonkey" is great ad on too.

Aug. 31, 2017 - Version 1.13.8
sdo-epic says:

Rating: 2

It does what the developers says it will; however, I cannot find a place where they adequately address their Permissions settings. They can access everything on your browser:

"This extension can access your data on all websites.
This extension can access your data on some websites.
This extension can manipulate privacy-related settings.
This extension can access your tabs and browsing activity."

What "data"? My password to email, Amazon, Facebook?
What do the developers do with the information they can get from my tabs and browsing activity? Why is this needed?

I understand that they have no server to which they send data; however, it does not mean that they will not in the future. The developers have, through this extension, bypassed any protections you might have in your browser and they have not explained why they need those permissions.

Until that time comes, I will rate this 2 stars; when the question is addressed, I will happily change it to 5 stars.

Aug. 26, 2017 - Version 1.13.8
spw1702 says:

Rating: 5

it's good to use

Aug. 23, 2017 - Version 1.13.8
operauser says:

Rating: 5

mikegrant65 Go to settings and uncheck the VPN service and Opera's built-in ad blocker if you have it checked. I was unable to install any extension or any theme because of using the VPN. I just unchecked and stopped using VPN as well as ad blocker and now I'm able to install extensions again. The ad blocker may not be causing the issue but the using the VPN definitely is.

Aug. 8, 2017 - Version 1.13.8
mikegrant65 says:

Rating: 1

Doesn't install on Opera 46.0 Most likely Opera's fault.

July 26, 2017 - Version 1.13.6
sam2010555 says:

Rating: 5

very good Extension keep up the good work

July 16, 2017 - Version 1.13.6
detouristic says:

Rating: 5

Essential extension for any Opera user.

July 9, 2017 - Version 1.13.6
suyaku92 says:

Rating: 5

its simple but has everything abp would ve ever dreamt of

June 21, 2017 - Version 1.12.4
drcwright says:

Rating: 2

Got a lot of OPERA NOT RESPONDING after installing this. Switching back to AB+.

June 6, 2017 - Version 1.12.2

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uBlock Origin

by gorhill

Description

Screenshots

About the extension

Changelog

Feedback from users

Reviews and ratings