This article describes what "cookies" are, how they are used, and how to manage them in Firefox. __TOC__ = What is a cookie? = A [http://wikipedia.org/wiki/HTTP_cookie cookie] Cookies are small files that are placed on your browser or device by the website or app you’re using or ad you’re viewing.. Cookies helps to provide a better, faster and safer experience.Technologies like cookies isused to deliver, secure, and understand products, services. In some browsers, each cookie is a small file but in Firefox, all cookies are stored in a single file, located in the Firefox [[Profiles - Where Firefox stores your bookmarks, passwords and other user data|profile]] folder. We and third parties, and other partners (“partners”) use these technologies for security purposes and to deliver products, services , 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. Web browsers send any cookies for a particular web domain (ex: facebook.com) to the website each time a machine with those cookies accesses content served from that domain. This means that any facebook.com cookies will be sent to Facebook when any page is accessed at facebook.com. It also means that these cookies are sent to Facebook when someone accesses a third-party website that has a connection to facebook.com,in this way a cookie works. Cookies can store a wide range of information, including personally identifiable information (such as your name, home address, email address, or telephone number). However, this information can only be stored if you provide it - websites cannot gain access to information you didn't provide to them, and they can't access other files on your computer. Cookis can used in many ways to server beeter and secure web experience its categories of uses are Authentication Security and site integrity Localization Site features and services Performance By default, the activities of storing and sending cookies are invisible to you. However, you can change your Firefox settings to allow you to approve or deny cookie storage requests, delete stored cookies automatically when you close Firefox, and more. = Cookie settings = Cookie settings in Firefox are managed in the {for win}Options{/for}{for mac,linux}Preferences{/for} window's '''Privacy''' panel. See [[Settings for privacy, browsing history and do-not-track]] for information on these settings. For instructions on how to use these settings for certain tasks, see: * [[Enable and disable cookies that websites use to track your preferences]]: How to turn cookie storage off or on in Firefox. * [[Delete cookies to remove the information websites have stored on your computer]]: How to remove cookies that have already been stored by websites. * [[Block websites from storing site preferences or login status in Firefox]]: How to block certain websites from storing cookies. * [[Disable third-party cookies in Firefox to stop some types of tracking by advertisers]]: How to block websites other than the one you're currently visiting from storing cookies. = Troubleshooting cookies = If you are having a problem with Firefox that involves cookies, see: * [[Websites say cookies are blocked - Unblock them]] * [[Fix login issues on websites that require a username and password]] [[Template:ShareArticle|link=http://mzl.la/Lp1OMU]]

This article describes what "cookies" are, how they are used, and how to manage them in Firefox.

What is a cookie?

A cookie Cookies are small files that are placed on your browser or device by the website or app you’re using or ad you’re viewing.. Cookies helps to provide a better, faster and safer experience.Technologies like cookies isused to deliver, secure, and understand products, services.

In some browsers, each cookie is a small file but in Firefox, all cookies are stored in a single file, located in the Firefox profile folder.

We and third parties, and other partners (“partners”) use these technologies for security purposes and to deliver products, services , 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.

Web browsers send any cookies for a particular web domain (ex: facebook.com) to the website each time a machine with those cookies accesses content served from that domain. This means that any facebook.com cookies will be sent to Facebook when any page is accessed at facebook.com. It also means that these cookies are sent to Facebook when someone accesses a third-party website that has a connection to facebook.com,in this way a cookie works.

Cookies can store a wide range of information, including personally identifiable information (such as your name, home address, email address, or telephone number). However, this information can only be stored if you provide it - websites cannot gain access to information you didn't provide to them, and they can't access other files on your computer. Cookis can used in many ways to server beeter and secure web experience its categories of uses are Authentication Security and site integrity Localization Site features and services Performance

By default, the activities of storing and sending cookies are invisible to you. However, you can change your Firefox settings to allow you to approve or deny cookie storage requests, delete stored cookies automatically when you close Firefox, and more.

Cookie settings

Cookie settings in Firefox are managed in the OptionsPreferences window's Privacy panel. See Settings for privacy, browsing history and do-not-track for information on these settings.

For instructions on how to use these settings for certain tasks, see:

• Enhanced Tracking Protection in Firefox for desktop: How to turn cookie storage off or on in Firefox.
• Clear cookies and site data in Firefox: How to remove cookies that have already been stored by websites.
• Block websites from storing cookies and site data in Firefox: How to block certain websites from storing cookies.
• Third-party cookies and Firefox tracking protection: How to block websites other than the one you're currently visiting from storing cookies.

Troubleshooting cookies

If you are having a problem with Firefox that involves cookies, see:

• Websites say cookies are blocked - Unblock them
• Fix login issues on websites that require a username and password