Enable and disable cookies that websites use to track your preferences

Revision Information
  • Revision id: 6485
  • Created:
  • Creator: Verdi
  • Comment: added summary and keywords
  • Reviewed: Yes
  • Reviewed:
  • Reviewed by: Verdi
  • Is approved? Yes
  • Is current revision? No
  • Ready for localization: No
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Revision Content

Cookies - Information that websites store on your computer are stored on your computer by websites you visit and contain information such as site​ pref​eren​ces ​or logi​n stat​us. This article describes how to enable and disable cookies in Firefox.


Cookie Settings

Cookies are enabled by default in Firefox. To check your settings:

  1. Click the menu button New Fx Menu and choose Options.Preferences.
  2. Select the Privacy panel.
  3. Set Firefox will: to Use custom settings for history.

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  4. Check mark Accept cookies from sites to enable Cookies, and uncheck it to disable them.

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  1. Choose how long cookies are allowed to be stored:
    • Keep until: they expire: Each cookie will be removed when it reaches its expiration date, which is set by the site that sent the cookie.
    • Keep until: I close Firefox: The cookies that are stored on your computer will be removed when Firefox is closed.
    • Keep until: ask me every time: Displays an alert every time a website tries to send a cookie, and asks you whether or not you want to store it.
  1. Close the about:preferences page. Any changes you've made will automatically be saved.
  1. Click the menu button New Fx Menu and choose Options.Preferences.
  2. Select the Privacy panel.
  3. Check mark Accept cookies from sites to enable Cookies, and uncheck it to disable them.
    • If you are troubleshooting problems with cookies, make sure Accept third party cookies is also check marked.
  1. Choose how long cookies are allowed to be stored:
    • Keep until: they expire: Each cookie will be removed when it reaches its expiration date, which is set by the site that sent the cookie.
    • Keep until: I close Firefox: The cookies that are stored on your computer will be removed when Firefox is closed.
    • Keep until: ask me every time: Displays an alert every time a website tries to send a cookie, and asks you whether or not you want to store it.
  1. Close the about:preferences page. Any changes you've made will automatically be saved.


Websites report cookie errors

If you visit a website that gives an a message indicating that you cannot accept cookies, see Websites say cookies are blocked - Unblock them.