On Mac, click Preferences.
If you’re using custom settings for your Firefox history, you won’t have the remove individual cookies option; instead, click the Show Cookies button on the right side of the page.
This process will also work on an iPad or an iPod touch.
This option removes your on-device search history as well. If you just want to delete cookies, instead tap Advanced at the bottom of the page, tap Website Data, tap Remove All Website Data, and tap Remove Now.
You can disable every other type of data on this page if you only want to clear cookies.
