Cookies are small text files that websites store on your computer. They’re used to remember your browsing preferences, such as your language or login information. You can check the cookies that Firefox has stored on your computer by following these steps:
1. Open Firefox and click on the three horizontal lines in the top-right corner of the window. 2. Click on “Options” and then select “Privacy & Security” from the left-hand menu. 3. Under the “Cookies and Site Data” section, click on the “Manage Data” button. 4. This will open a new window that lists all of the cookies that Firefox has stored on your computer. You can filter the cookies by website, name, or value. 5. To delete a cookie, select it and click on the “Remove” button.