CookieBlock by CookieBlock Team

Automatically enforces cookie consent preferences to protect your privacy on any website you visit.

3.5 (22 reviews)

1,652 Users

You'll need Firefox to use this extension

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About this extension

CookieBlock is a browser extension that allows you to automatically remove cookies that do not respect your privacy. Through the use of advanced machine-learning technology, it categorizes cookies into four distinct purposes. These are "Necessary", "Functionality", "Analytics" and "Advertising", which the user then has the power to permit or reject individually.

Unlike nagging cookie banners that interrupt your browsing experience, CookieBlock only requires that you define your policy once, and guarantees that the types of cookies you reject are actually removed from your browser. Moreover, CookieBlock works on any website you visit, and does not rely on the honesty of the website host.

As a result, CookieBlock perfectly complements extensions that seek to remove annoying cookie banners from your browsing experience, allowing you to preserve your privacy at the same time.

This add-on has been built by members of the Information Security Group of the Computer Science Department at ETH Zürich, and was developed as part of the master thesis "Analyzing Cookies Compliance with the GDPR" .

It is also featured at the 31st USENIX Security Symposium: https://www.usenix.org/conference/usenixsecurity22/presentation/bollinger

Homepage: https://karelkubicek.github.io/post/cookieblock
Feedback Form: https://forms.gle/tL21ruvPZq2q218P8
Source Code: https://github.com/dibollinger/CookieBlock

Developer comments

Note that the classification may not always be perfectly accurate, and some websites may break through the removal of some cookies. If this occurs, please report the issue.

In the meantime, you can try to add an exception for the domain you are trying to use, or temporarily pause the cookie removal. We will try to improve the performance and accuracy of CookieBlock as development continues.

Rated 3.5 by 22 reviewers

Release notes for 1.1.0

## Major Changes:
* Update the classifier model. The new model is trained on data gathered from approximately 52k websites in July 2022. This dataset should be more appropriate for current cookie structures.
* Introduce and update a large number of predefined cookie categories in the known_cookies.json file, fixing several websites with broken functionality.
* Add Spanish localization by 6ig6oy.
* Add Japanese localization by Shitennouji.
* Add Czech localization by Karel.

## Minor Changes:
* Fix display of default settings in setup page.
* Browser icon now changes to grayscale when cookie removal is paused.
* Make it possible to select and copy text in the extension pages.
* Add a button to categorize existing cookies to the popup.
* No longer autoclose the setup page when classifying existing cookies.
* Fix other minor issues in the extension UI.

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