Cookies in web browsers are an easy way for sites to store authentication/login information, settings, and so much more. One of the things that some sites do for security or privacy purposes is force the cookies to expire after a period of time. Sometimes they expire after a day, a week, a year, or when you close your browser. If there was a way to edit the cookies you would be able to adjust the expiration date so that you didn’t run into that problem.
Oh, but wait, there is a way to edit your browser’s cookies! It’s actually rather easy to do in both Firefox and Opera, so today we’ll take a look at how to edit cookies.
–Opera–
One of the great things about Opera is that they give you a lot of control over the content and properties of a cookie. If you want to alter a cookie it is as simple as heading over to the Preferences and clicking a few buttons.
To change a cookie in Opera go to Tools -> Preferences -> Advanced -> Cookies -> Manage Cookies. Then find the cookie that you want to change, and click the Edit button. You’ll then be presented with a dialog where you can customize the expiration date or any other information contained within the cookie:
As you can see it is rather easy to do in Opera thanks to the built-in advanced editor that the browser comes equipped with.
–Firefox–
Firefox is only able to view your browser’s cookies out-of-the-box, but as expected there are a few extensions available to do the dirty work. My personal favorite is Add N Edit Cookies, which has a simple yet powerful interface for managing and creating cookies.
Once you get the extension installed here’s what you’ll have to do to edit the cookies:
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