How to Clear Cookies and Browser Data in Mozilla Firefox

Clearing cookies and browser data can help resolve website issues, improve browser performance, and protect your privacy. Follow these steps to clear cookies and browser data in Mozilla Firefox.

Step 1: Open Mozilla Firefox

Ensure Mozilla Firefox is open on your computer.

Step 2: Access the Settings Menu

1. Click on the three horizontal lines (menu) in the top-right corner of the browser window.
2. From the dropdown menu, select "Settings."

Step 3: Navigate to Privacy & Security

1. In the Settings menu, click on "Privacy & Security" in the left-hand sidebar.

Step 4: Clear Cookies and Site Data

1. Scroll down to the "Cookies and Site Data" section.
2. Click on the "Clear Data..." button.

Step 5: Choose Data to Clear

1. A new window will pop up with options to clear:
   • Cookies and Site Data: Removes cookies and data stored by websites.
   • Cached Web Content: Clears cached images and files that Firefox saves to make websites load faster.
2. Check the boxes next to the data types you want to clear.

Step 6: Clear Data

1. Once you have selected the data types, click on the "Clear" button.
2. Firefox will ask for confirmation. Click "Clear Now" to proceed.
3. Firefox will start clearing the selected data. This may take a few moments depending on the amount of data.

Step 7: Clear Browsing History

1. To clear browsing history, scroll down to the "History" section in the "Privacy & Security" settings.
2. Click on the "Clear History..." button.

Step 8: Choose History to Clear

1. A new window will pop up with options to clear:
   • Browsing & Download History: Clears the list of websites you’ve visited and files you’ve downloaded.
   • Cookies: Removes cookies.
   • Cache: Clears cached images and files.
   • Form & Search History: Clears information you’ve entered into forms and the Firefox search bar.
   • Active Logins: Logs you out of websites.
   • Offline Website Data: Clears data stored by websites for offline use.
   • Site Preferences: Resets site-specific preferences.
2. Use the drop-down menu at the top to choose the time range to clear: "Last Hour," "Last Two Hours," "Last Four Hours," "Today," or "Everything."
3. Check the boxes next to the items you want to clear.

Step 9: Clear History

1. Once you have selected the items and time range, click on the "OK" button.
2. Firefox will start clearing the selected history. This may take a few moments depending on the amount of data.

Additional Tips

• Private Browsing Mode: Using Private Browsing mode in Firefox prevents cookies and browsing data from being saved during your session. To open a Private Browsing window, click on the three horizontal lines (menu) and select "New Private Window."
• Site-Specific Data: To clear cookies and data for a specific site, go to "Privacy & Security" > "Cookies and Site Data" > "Manage Data...," then search for the specific site and remove its data.

Clearing cookies and browser data periodically can help maintain your browser's performance and ensure your privacy. If you encounter any issues or need further assistance, refer to Firefox's Support Center for more detailed instructions.