Flag Cookies

A cookie and browser storage data manager on steroids to mark, 'flag', and manage cookies using rulesets.

Flag Cookies - Advanced Cookie Management for Firefox

"Flag Cookies" is an innovative Firefox add-on designed for power users to manage cookies and browser storage data effectively. It enables users to flag, delete, and manage cookies with different modes, including Global, Auto flag, and Profile modes. Privacy is prioritized, with no storage of sensitive cookie information. Users can also export detected cookies and utilize features like support for Multi-Account Containers and notifications, making web browsing safer and more streamlined.

Add-on stats

Daily users: 12,542
-26
Version: 3.6.7 (Last updated: 2025-01-17)
Version code: 5874066
Creation date: 2017-12-24
Weekly download count: 240
Firefox on Android: No
Manifest version: 3
Permissions:
  • cookies
  • tabs
  • webRequest
  • storage
  • unlimitedStorage
  • clipboardWrite
  • notifications
  • contextualIdentities
  • webNavigation
Host permissions:
  • <all_urls>
Size: 351.81K

Other platforms

Flag Cookies (v3.6.6)
2.38 (29) 50,000
Not available on Android
Not available on Edge
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Add-on summary

Important privacy notice:

  • No cookie information besides the name and domain name are stored inside FlagCookies to work, no values, no direct details.
  • No session data or details are stored or processed
  • No history of visited domains or websites or any other tracking is used.

Before you use this addon: This add-on is mainly aimed at power users, this might sound harsh, but it is not!

To get the most out of FlagCookies, you have to define either own cookie rules for websites and or make use of Global Flag, or Auto flag, or Profile mode(s). Also, in case you use payment services, be advised to disable the "Global flag" feature temporarily. For example when using Paypal or other shopping/payment provider websites and services.

Long story made short - Basic usage:

  1. Use Global mode if you are surfing, this will remove all kind of cookies while browsing the web if not protected by profile mode, or explicitly are set as protected.

  2. Use Auto flag which will remove all cookies for one website/domain - this can be useful if you only want to automatically remove these page cookies every time you browse this website.

See more

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Easily exports cookies in JSON format
  • Allows individual cookie management (keep or delete)
  • Responsive developer that quickly addresses issues
  • Better control over cookie permissions
Cons
  • Notification ads after updates considered intrusive
  • Non-intuitive user interface
  • Not functioning properly in container tabs
  • Missing features like import/export rules and tutorial
Most mentioned
  • User interface is clunky or non-intuitive
  • Issues with notifications and ads
  • Works well for managing cookies but lacks functionality for other data types like Cache or LocalStorage
  • Desire for more comprehensive features like importing/exporting rules
User reviews

by Karnov, 2025-01-20

Gave me a donation advertisement after updating. Please don't turn your addon into adware, giving useless unwanted desktop notifications is frowned upon.
View all user reviews

Add-on safety

Risk impact

Flag Cookies 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

We don't have sufficient data to confidently determine the risk likelihood of Flag Cookies. Use it at your own risk.

Risk likelihood analysis details
  • High This extension was recently updated in the past month. New updates may not be stable or safe.
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  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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