How to Delete Cookies Using Firefox
Cookies are information stored on your Web browser or computer from sites you visit online. Many cookies are not harmful or malicious, as they commonly store personal settings to customize your browsing experience on a website. However, cookies can also store personal information like your name, email or home addresses, and your phone number if you've given them to a site previously. Deleting cookies in Firefox is an easy process using Firefox's "Privacy Preferences." You can choose to delete cookies only from specific sites, or clear cookies from all sites.
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Instructions
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Launch your Firefox Web browser. Click the "Firefox" menu in the upper-left corner of the screen and select "Preferences."
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Click the "Privacy" tab in the middle of the screen. Press the "Firefox Will" drop-down box and select "Use Custom Settings For History" to enable Firefox's custom settings panel.
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Click the "Show Cookies" button on the right side of the screen to enter the Cookies window. Type a search term for a specific website in the "Search" field and highlight all cookies associated with the site. Click the "Remove Cookie" button in the lower-left corner of the Cookies window. Close the Cookies window to return to Firefox's Preferences.
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Delete all cookies on your computer by exiting Firefox's Preferences window. From the Firefox menu bar at the top of the screen, click the "Tools" menu option and select "Clear Recent History."
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Click the "Time Range to Clear" drop-down box and choose "Everything." Click the "Details" drop-down arrow in the middle of the page and select "Cookies" from the Details list. Press "Clear Now" to delete all Firefox cookies.
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Tips & Warnings
You can also delete all "Browsing & Download History," "Caches," "Form & Search History," and more from the "Clear Recent History" window, if needed.
Deleting the wrong cookies may impact your browsing experience, such as deleting information from frequently visited sites that require a username and password.
