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Revision Information
  • Revision id: 146156
  • Created:
  • Creator: AliceWyman
  • Comment: updated for fx56, new screenshot, purged pre-fx45 content, other edits
  • Reviewed: Yes
  • Reviewed:
  • Reviewed by: AliceWyman
  • Is approved? Yes
  • Is current revision? No
  • Ready for localization: Yes
  • Readied for localization:
  • Readied for localization by: AliceWyman
Revision Source
Revision Content

Cookies are stored on your computer by websites you visit and contain information such as site preferences or login status. This article describes how to enable and disable cookies in Firefox.

How do I change cookie settings?

Note: Cookies are enabled by default in Firefox.

To check or change your settings:

  1. In the Menu bar at the top of the screen, click Firefox and then select Preferences or Settings, depending on your macOS version.Click the menu button Fx89menuButton and select Settings.
  2. Select the Privacy & Security panel and go to the History section.

  3. In the drop-down menu next to Firefox will, choose Use custom settings for history.
  4. Check mark Accept cookies from sitesAccept cookies from websites to enable cookies, and uncheck it to disable them.
    PrivacyCookiesFx56CustomHistory-cookies
  5. 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.
      I close Firefox: The cookies that are stored on your computer will be removed when Firefox is closed.
  6. Close the Settings page. Any changes you've made will automatically be saved.

Websites report cookie errors

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