Clear cookies and site data in Firefox

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 Firefox cookies, other site data and cached web content.

  • If you just want to clear the Firefox cache, see How to clear the Firefox cache.
  • To clear your browsing history, cookies and temporarily cached files at once, see Delete browsing, search and download history on Firefox.
  • To prevent websites from storing cookies on your computer, see Block websites from storing cookies and site data in Firefox.

Clear cookies for the current website

To delete cookies and site data for a website you're currently visiting:

  1. Click the padlock Fx70GreyPadlock Fx89Padlock at the left of the address bar.
    Fx70ClearSiteDataSingleSite Fx87SiteInfo-ClearCookies Fx89SiteInfo-ClearCookies
  2. Click Clear Cookies and Site data.

Clear cookies for any website

To delete cookies for any single website:

  1. In the Menu bar at the top of the screen, click and select . Click the menu button Fx57Menu and select . Click the menu button Fx89menuButton and select .

  2. Select the panel and go to the Cookies and Site Data section.
    Fx68CookiesAndSiteData Fx79CookiesAndSiteData
  3. Click the Manage Data… button. The Manage Cookies and Site Data dialog will appear.
  4. In the Search websites field, type the name of the site whose cookies you want to remove. Items that match your search will be displayed.
    Fx68ManageCookiesSiteData-RemoveSelected ClearCookies
    • To remove all cookies and storage data for the website, click Remove All Shown.
    • To remove selected items, select an entry and click Remove Selected.
  5. Click Save Changes.
  6. In the Removing Cookies and Site Data confirmation dialog that opens, click OK.
  7. Close the about:preferences page.

To learn more about managing site data in Firefox, see Manage local site storage settings and Enhanced Cookie Clearing.

Note: You can use the Storage Inspector to remove individual cookies for a specific website, via the right-click context menu. To open the Storage Inspector, go to the menu button Fx57Menu submenu or press Shift + F9 on the keyboard.

Clear all cookies, site data and cache

  1. In the Menu bar at the top of the screen, click and select . Click the menu button Fx57Menu and select . Click the menu button Fx89menuButton and select .

  2. Select the panel and go to the Cookies and Site Data section.
  3. Click the Clear Data… button. The Clear Data dialog will appear.
    Fx68CookiesAndSiteData-ClearData
    • Cookies and Site Data (to remove login status and site preferences) and Cached Web Content (to remove stored images, scripts and other cached content) should both be check marked.
  4. Click Clear.

Clear all cookies and keep other data

To delete only cookies while keeping other data, do the following:

  1. Click the menu button Fx57Menu and click (or click the Library button 57 library icon in the toolbar).
  2. Click and then click .
  3. Set Time range to clear: to Everything.
    Fx76ClearRecentHistory-Cookies
  4. Select Cookies and make sure that other items you want to keep are not selected.
  5. Click OK to clear all cookies and close the Clear All History window.

These fine people helped write this article:

AliceWyman, Chris Ilias, Underpass, novica, Tonnes, smo, Michael Verdi, scoobidiver, Swarnava Sengupta, soucet, Joergen, ideato, Mozinet, user832823, Lan, pollti, scootergrisen, Joni, Ömer Timur, risirajdey, Fabi

Illustration of hands

Volunteer

Grow and share your expertise with others. Answer questions and improve our knowledge base.

Learn More