The Firefox logo.

When you browse the internet with cookies enabled, websites can save your passwords and other data (with your consent), making your browsing experience a bit more enjoyable. Here’s how to enable (or disable) cookies in Mozilla Firefox.

How to Enable/Disable Cookies in Firefox on a Desktop

To enable cookies in Firefox on Windows 10Mac, or Linux, click the hamburger icon in the top-right corner.

RELATED: Clearing Your Cookies All the Time Makes the Web More Annoying

Click the hamburger icon.

In the drop-down menu, select “Options.”

Click "Options."

The Firefox preference settings will appear in a new tab. In the pane on the left, click “Privacy and Security.”

Click "Privacy and Security."

Alternatively, if you want to jump straight to the “Privacy and Security” tab, type the following in the Firefox address bar:

about:preferences#privacy

"about:preferences#privacy" in the Firefox address bar.

You’ll now be in the “Browser Privacy” window. In the “Enhanced Tracking Protection” section, you’ll see “Standard” is selected by default. This option enables the use of cookies, with the exception of “Cross-Site Tracking Cookies.”

The "Browser Privacy" menu in Firefox.

Below the “Standard” option, click “Custom.” This is where the magic happens!

Click "Custom."

Now, you have full control over which trackers and scripts to block. Uncheck the box next to “Cookies” to allow all types, including those previously excluded (the cross-site tracking cookies).

Uncheck the box next to "Cookies."

If you want to specify in which instances cookies should be blocked, select the box next to “Cookies.” Then, click the arrow to open the drop-down menu and select the option that best suits your needs.

Select the box next to "Cookies," click the arrow, and then select an option from the drop-down menu.

To completely disable cookies, select “All Cookies.” However, we don’t recommend doing this unless you’re troubleshooting browser issues, and even then, we recommend you clear the browser cache and cookies first.

RELATED: How to Clear Cache and Cookies in Mozilla Firefox

How to Enable/Disable Cookies in Firefox on Mobile

To enable cookies in Firefox on AndroidiPhone, or iPad, tap the hamburger menu in the bottom-right corner.

Tap the hamburger menu.

Tap “Settings.”

Tap "Settings."

Scroll down to the “Privacy” section and tap “Tracking Protection.”

Tap "Tracking Protection."

Unfortunately, the iOS and iPadOS settings aren’t as flexible as those on desktop and Android (which are the same). On iPhone or iPad, your only choices are “Standard” or “Strict,” both of which block cross-site trackers.

To allow all types of cookies, toggle-On “Enhanced Tracking Protection.”

Toggle-On "Enhanced Tracking Protection."

At this writing, there isn’t a built-in way to completely disable cookies in Firefox on iPhone or iPad.

Marshall Gunnell Marshall Gunnell
Marshall Gunnell is a writer with experience in the data storage industry. He worked at Synology, and most recently as CMO and technical staff writer at StorageReview. He's currently an API/Software Technical Writer at LINE Corporation in Tokyo, Japan.
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