Cookie AutoDelete Firefox

Cookie AutoDelete

Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Keep the ones you trust (forever/until restart) while deleting the rest. Containers Supported

Features & Capabilities

Cookie AutoDelete is a powerful browser extension designed to enhance your privacy by automatically deleting cookies from tabs once they are closed or discarded. Inspired by Self Destructing Cookies, this extension allows you to whitelist trusted domains, preserving their cookies indefinitely or until the browser restarts. It supports container tabs (Firefox 53+), enabling cookie management across multiple contexts.

Users can easily manage their whitelist and greylist settings, import/export configurations, and manually trigger cookie cleanups from a convenient popup interface. Additional features include the ability to clear all cookies for a specific domain, view the number of cookies per site, and support for local storage cleaning (Firefox 58+). The extension requests necessary permissions thoughtfully and does not modify privacy settings—focusing solely on managing cookies.

To use Cookie AutoDelete, enable the "Auto-clean" feature after setting up your whitelist to watch unwanted cookies vanish automatically, keeping your browser clutter-free and privacy-focused. Comprehensive documentation and troubleshooting guides are available on GitHub to assist users.

User Growth & Download Statistics

Manifest V2 Add-on Privacy & Security
By:
CAD Team
Daily users:
165,363 1.05K
Rating:
4.53
(1,519)
Version:
3.8.2 Last updated: 2022-12-12
Version code:
5496393
Creation date:
2017-02-14
Risk:
High risk impact Very low risk likelihood
Permissions:
Size:
746.96KB
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Firefox Add-ons Store
Data ingested on:
2026-06-14
Compare stats and ranking:

Other platforms

Chrome
Cookie AutoDelete (v3.8.2)
80,000 4.50 (500)
Edge
Cookie AutoDelete (v3.8.2)
43,160 4.30 (22)

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:
CAD Team
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/cookie-autodelete/
Website:
https://github.com/Cookie-AutoDelete/Cookie-AutoDelete/issues

User Reviews

User feedback highlights Cookie AutoDelete as a strong privacy tool that automates cookie cleanup and works well with containers and whitelists, reducing manual cleanup. However, multiple reviews say it no longer works reliably, seems abandoned, and has a confusing, over-engineered UI; non-whitelisted cookies can persist, and some features rely on flags or intrusive container settings. Overall, its privacy benefits are praised when it works, but maintenance and usability concerns dampen its reliability.
Pros
  • Improves privacy by automatically deleting cookies and clearing cache, reducing tracking.
  • Automatically deletes cookies from closed tabs and supports whitelists and containers for selective retention.
  • Reduces manual cookie cleanup and is easy to manage with clear settings.
  • Valued by users as essential for anonymity and greater cookie control.
Cons
  • No longer reliable: cookies are not always deleted as advertised.
  • Abandoned/untended project with reports of stale GitHub issues and no support.
  • UI is confusing and over-engineered, making setup hard.
  • Not reliably purge non-whitelisted cookies; some cookies linger after timeouts or restarts.
  • Some features depend on Firefox flags or hard-to-disable container tabs.
Recent reviews
by mo*****, 2026-06-07

Does what it says and also clears out local storage (sometimes websites use in lieu of cookies) for all websites by default. Setting up per-site/domain exceptions is a two-click process. You can turn off the cleanup notifications if they become annoying.
by Al*****, 2026-06-06

Warning, no longer works. This project is dead! A good successor is "Auto-Clear Site Data" by byuserforuser addons.mozilla.org/en-US/firefox/addon/auto-clear-site-data/
by ne*****, 2026-05-31
View all user reviews ›

Is Cookie AutoDelete 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 AutoDelete 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 AutoDelete has earned a good reputation and can be trusted.

Risk likelihood analysis details
  • Low This extension was updated more than 6 months ago. Older versions are more likely to be stable and safe.
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