Cookies, Pixels & Similar Technologies
How Cookies Work
Cookies and other similar technologies help provide a better, faster and safer experience.
Technologies like cookies, pixel tags ("pixels"), and local storage are used to deliver, secure, and understand products, services, and ads, on and off Facebook. We want this page to help you understand more about these technologies and how they are used. Your browser or device may allow you to block these technologies, but you may not be able to use some features on Facebook if you block them. For more information about whether these tools are available, what they do and how they work, visit your browser or device's help material. Generally, tools like these in your browser or device affect only that particular browser or device. So if you’re using multiple browsers or devices, you can make different choices for each of them.
Check back here from time to time to get the latest information about these technologies and how they are used.We and our affiliates, third parties, and other partners (“partners”) use these technologies for security purposes and to deliver products, services and advertisements, as well as to understand how these products, services and advertisements are used. With these technologies, a website or application can store information on your browser or device and later read that information back. We explain more about each of these technologies and how they are used on this page.
Why do we use these technologies?
The specific names of the cookies, pixels and other similar technologies that we use may change from time to time, but they generally will fall into the above categories. If you’d like to learn more about these tools, review our Data Use Policy. You can also take a look at the cookies section of our publicly available audit that provides a snapshot of the cookies we use, which was performed by the Irish Data Protection Commissioner’s Office. This will give you a good idea of the cookies we describe on this page.
Show what matters to you
Improve your experience
Protection and security
They help us know who you are so we can show content that’s most relevant to you, including features, products, and ads.
They work with Facebook features and help us improve our products and services – so you can do things like see which friends are online in chat, use share buttons, and upload photos.
They help secure Facebook by letting us know if someone tries to access your account or engages in activity that violates our terms.
What are cookies?
When might Facebook place cookies on my computer or device?
When might Facebook read the cookies on my computer or device?
Why does Facebook add cookies to any browser that visits its websites?
What are pixel tags ("pixels")? How does Facebook use them?
What is local storage? How does Facebook use local storage technologies?
How does Facebook work with third-party service providers to show relevant ads?