- Open Mozilla Firefox on your computer.
- Click on the three-line menu icon located in the top-right corner of the browser window.
- From the drop-down menu, select "Preferences." Alternatively, you can type about:preferences in the address bar and press Enter.
- In the left-hand menu, click on "Privacy & Security."
- Scroll down to the "Cookies and Site Data" section.
- Click on the "Clear Data" button.
Alternatively, you can use the shortcut "Ctrl+Shift+Delete" (or "Command+Shift+Delete" on a Mac) to directly open the Clear Data window.
- A pop-up window titled "Clear Data" will appear. Ensure that the checkbox for "Cookies and Site Data" is selected.
- If you want to delete other data, such as browsing history or cached images, you can select those options as well.
- Once you have made your selections, click on the "Clear" button. Firefox will then delete the selected data, including cookies.
After following these steps, your cookies will be deleted, and websites may require you to log in again and reconfigure any settings that rely on cookies.