Cookie Override

Name: Cookie Override
Author: Rafal Bielski

By: Rafal Bielski

Allows to add rules to force specific cookie values whenever a website is visited

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Install

Features & Capabilities

The extension allows to add rules overriding specific cookie values whenever a website producing the cookie is visited. This allows, for example, to persist and force website preferences like language and location despite removing cookies on browser exit. The preferences can be stored as rules in the extension settings and applied automatically when a page is visited, while keeping the page unaware of the user's previous visits.

More information https://github.com/rafbiels/cookie-override

Known limitations The override cannot work on any website which uses scripts to auto-configure the cookies on every visit even if the cookie is already present. Such scripts keep overriding the Cookie Override changes.

User Growth & Download Statistics

Add-on

By:

Rafal Bielski

Daily users:

5 1

Version:

1.0 Last updated: 2021-03-25

Version code:

5204874

Creation date:

2021-03-25

Risk:

Permissions:

tabs
cookies
storage
<all_urls>

Size:

186.25KB

URLs:

Website

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-07-08

Compare stats and ranking:

Ranking

# 42,449 ▲ 3,774

Other rankings

#16 in override keyword 9 #31 in overdrive keyword 6 ▲ 1#185 in cookie keyword 47 ▲ 10#201 in value keyword 32 ▲ 31

For Developers

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Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

Rafal Bielski

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/cookie-override/

Website:

https://github.com/rafbiels/cookie-override

Is Cookie Override Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Cookie Override requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details

Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Cookie Override is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
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