If you use Chrome on iOS and want to block cookies, you’ll need to either browse in Incognito Mode or switch to Safari.

Block third-party cookies in Incognito: This option leaves cookies turned on but disables them when you’re browsing in an Incognito window. If you choose this option, you’ll keep the normal benefits of cookies on websites, as well as tracking cookies, but have the option to use Incognito mode when you want to stay private. Block third-party cookies: This option allows websites to save cookies used to improve your browsing experience (such as those which keep you signed in or manage an online shopping cart) while blocking invasive tracking cookies. This is the best option for blocking cookies without losing access to convenient website features. Block all cookies (not recommended): This option blocks all cookies, which can definitely cause many website features (including login and shopping carts) to break. It’s the most secure option, but it comes at the price of convenience.

There is no way to control which cookies are blocked—you can either leave cookies enabled or block them all.

Block third-party cookies in Incognito: This option leaves cookies turned on but disables them when you’re browsing in an Incognito window. If you choose this option, you’ll keep the normal benefits of cookies on websites, as well as tracking cookies, but have the option to use Incognito mode when you want to stay private. Block third-party cookies: This option allows websites to save cookies used to improve your browsing experience (such as those which keep you signed in or manage an online shopping cart) while blocking invasive tracking cookies. This is the best option for blocking cookies without losing access to convenient website features. Block all cookies (not recommended): This option blocks all cookies, which can definitely cause many website features (including login and shopping carts) to break. It’s the most secure option, but it comes at the price of convenience.

The best option is to enable “Block third-party cookies” by clicking its switch. This option blocks the cookies that track you across the web without breaking the helpful cookies saved by the websites you visit. To block all cookies, click the switch next to “Allow sites to save and read cookie data (recommended). " When this switch is off, many features of websites will break, which is why it isn’t recommended.

If you find that this option makes it too difficult to browse the web, remove the checkmark and select Prevent cross-site tracking instead. [2] X Research source This option only blocks the cookies meant to track you across the web while leaving useful cookies intact.

Windows: Click the three horizontal lines at the top-right corner of Firefox and select Settings. macOS: Open Firefox and click the Firefox menu at the top of the screen. Click Preferences on the menu.

Cross-site tracking cookies: This option blocks the cookies that track you across different websites, including those used by social media websites to tailor your advertising. This is the default option and won’t break most websites. Cross-site cookies: This option disables all cross-site cookies, including those necessary for logging in to websites using your social media accounts. This option blocks more cookies than the prior, and could break some useful features. Cookies from unvisited websites: This option only blocks cookies from websites you’ve never accessed. All third-party cookies: This option blocks all cookies from sites other than the ones used just for the sites you visit. For example, if you choose this option, you’ll still be able to use a website’s shopping cart, but you won’t be able to use social media accounts to log in. Some websites could break, but no third parties could track what you do. All cookies: This option blocks all types of cookies, including the ones that let you sign in to websites and shop online. This is the most severe option.