Clear cookies and site data in Firefox

Revision Information
  • Revision id: 28846
  • Created:
  • Creator: scoobidiver
  • Comment: fixed links, removed keyword, drop support for fx35
  • Reviewed: Yes
  • Reviewed:
  • Reviewed by: Verdi
  • Is approved? Yes
  • Is current revision? No
  • Ready for localization: Yes
  • Readied for localization:
  • Readied for localization by: Verdi
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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 delete cookies in Firefox.

Delete cookies for a single site

To delete cookies for one site:

  1. Click the menu button New Fx Menu Fx57Menu and choose Options.Preferences.
  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.
    Fx60HistorySettings-UseCustom Fx63CustomHistory
  4. Click Show Cookies.... The Cookies window will appear. Deleting Cookies Fx 5 - Win1 ab963d736461b221f497eb33a7f09b1a-1252719697-583-1.jpg
  5. In the Search: field, type the name of the site whose cookies you want to remove. The cookies that match your search will be displayed.
  6. Select the cookie(s) in the list to remove and click Remove Cookie.

    • Select the first cookie and press Shift+End to select all the cookies in the list.
  7. Click Close to closeClose the Cookies window.

Delete all cookies

To delete all cookies stored on your computer:

  1. At the top of the Firefox window, click on the Firefox button, go over to the History menu (click on the Tools menu in Windows XP) and select Clear Recent History....On the menu bar, click on the Tools menu, and select Clear Recent History....At the top of the Firefox window, click on the Tools menu, and select Clear Recent History....
  2. Set Time range to clear to Everything.
  3. Click on the arrow next to Details to expand the list of history items.
  4. Select Cookies and make sure that other items you want to keep are not selected.


  5. Click Clear Now to clear the cookies and close the Clear Recent History window.