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 at the left of the address bar.

   

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 Firefox and then select Preferences or Settings, depending on your macOS version.Click the menu button and select Settings.
2. Select the Privacy & Security panel and go to the Cookies and Site Data section.

   

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.

   

   • 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 , click More tools and then click Web Developer Tools (or press Ctrl + Shift + ICmd + Opt + I on the keyboard) and select Storage.

Clear all cookies, site data and cache

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 and select Settings.
2. Select the Privacy & Security panel and go to the Cookies and Site Data section.
3. Click the Clear Data… button. The Clear DataClear browsing data and cookies dialog will appear.

   

4. Check Cookies and Site Data to remove login status and site preferences and Cached Web Content to remove stored images, scripts and other cached content.Ensure Cookies and data site and Temporary cached files and pagesare checked.
5. 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 , click History and then click Clear Recent History….
2. Set Time range to clear:When: to Everything.
3. Select CookiesCookies and site data and make sure that other items you want to keep are not selected.

   

4. Click Clear Now Clear to clear all cookies and close the Clear All HistoryClear browsing data and cookies window.