FLoC Block

Block FLoC ad-targeting code on Chrome

FLoC Block - Chrome Extension

FLoC Block is a Chrome extension that prevents FLoC, the ad-targeting algorithm used by Google Chrome, from divulging your personal information to websites. It removes the FLoC API and ensures your privacy is protected while browsing.

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Extension stats

By: Shivan

Users: 142

-11

Rating: 5.00

(1)

Version: 0.0.2 (Last updated: 2021-04-20)

Creation date: 2021-04-19

Risk impact: Low risk impact

Risk likelihood:

Very low risk likelihood

Manifest version: 2

Size: 15.87K

Email: sh*****@gmail.com

Ranking

# 64,274 ▼ 1,347

Other rankings

#5831 in Workflow & Planning ▼ 35 #110 in block keyword 83 ▼ 10

Other platforms

Not available on Android

Not available on Firefox

Not available on Edge

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Extension summary

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FLoC, short for Federated Learning of Cohorts, is the new algorithm used by Google Chrome to group users into buckets based on their interests. You can read more about it here: https://web.dev/floc, and why Brave and some other browsers have blocked it here: https://brave.com/why-brave-disables-floc/.

If you HAVE to use Chrome, this extension is a simple way to prevent FLoC from divulging your "cohort id" to websites. You can also consider using DuckDuckGo's extension for this plus other privacy protections: https://spreadprivacy.com/block-floc-with-duckduckgo.

The extension inserts a script on every page load that removes the FLoC API (document.interestCohort()) so if a website tries to call that function, it will get an error. This is also unfortunately why the FLoC Block extension needs permission for all websites. However, it's completely open source so you can see what it's doing here: https://github.com/shivankaul/flocblock. I've included instructions on how to install from source.

Icons credit: https://www.freepik.com from https://www.flaticon.com