Flag Cookies

Flag Cookies

A cookie, and browser storage manager with cow powers!

  • Flag Cookies
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What is Flag Cookies?
Flag Cookies is a comprehensive cookie and browser storage management Firefox add-on. It offers functionalities such as explicit cookie flagging, profile mode for domain or cookies, Global and Auto flag modes, support for Firefox Multi-Account-Containers, logged in profile cookie management, and an action log for monitoring its activities. It also provides import and export settings options and optional notifications for improved usage.
Version: 3.6.0 (Last updated: 2024-02-08)
Creation date: 2017-12-24
Weekly download count: 376
Firefox on Android: No
Risk impact: High risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 2
  • cookies
  • tabs
  • webRequest
  • storage
  • unlimitedStorage
  • clipboardWrite
  • notifications
  • contextualIdentities
  • <all_urls>
Size: 350.76K
Stats date:

Other platforms

Not available on Chrome
Not available on Edge
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A cookie, and browser storage manager with cow powers. Gives the ability to flag and set rules explicitly for cookies, also third-party cookies, cross origin, and secure cookies aswell as browser storage management. Domain.net and subdomain.Domain.net can have individual rights. Providing several modes to set rules on cookies and keeping a cookie profile, while being logged in in a website or service.

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 websies 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, Profile modes.

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User reviews
User reviews summary
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.
  • Powerful and sophisticated tool
  • Great functionality with profile mode
  • Developer is very responsive to design/UX recommendations
  • Can specify which cookies are permitted to stay between pages
  • A bit complex and non-intuitive to use
  • Lack of a brief tutorial or examples
  • Reported bug or confusion regarding the correct URL being displayed
  • Missing features like notification when deleting cookies or delay before deleting
Most mentioned
  • Ability to select and manage individual cookies
  • Need for clearer instructions or tutorials
  • Developer's responsiveness
Recent reviews

I was hoping to be able to just click on this add-on and see all cookies on the computer to avoid going thru several steps using FF Tools...etc
by MartyGreg, 2023-11-21
View all user reviews
Risk impact

Flag Cookies is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Flag Cookies if you trust the publisher.

Risk likelihood

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

Upgrade to see risk analysis details