Edit or remove cookies from Firefox’s Developer Toolbar

Edit or remove cookies from Firefox’s Developer Toolbar:
The Firefox Developer Toolbar is like wonderland, not only for web or extension developers, but also for regular users like you and I who like to use the keyboard for specific features that may otherwise be more difficulty or time consuming to reach. Yesterday I explained how you can use the Developer Console to take screenshots of the active web page, and before that, I explained how to use it to manage add-ons and change Firefox preferences.
Today, it is all about browser cookies and how you can use the Developer Toolbar to list, edit or remove cookies from the browser. If you have followed the other tutorials you should be familiar with the Developer Toolbar. Here is a short recap if you have not read them:

• You display and hide the Developer Toolbar in Firefox with the shortcut Shift-F2


• When you use the shortcut, a small toolbar opens at the bottom of the browser that contains a console and several links to additional tools


• To learn more about the commands available, simply enter help and tap on the return key.

Managing Cookies from Firefox’s Developer Toolbar

There are three cookie related commands that you can work with:

• cookie list displays all cookies set by the domain you are currently on


• cookie remove lets you remove select cookies from the browser


• cookie set enables you to set a new cookie

The cookie list command is the one that you probably want to get started with. It lists all the cookies set by the domain you are currently on including the key and value. You also find actions to remove or edit cookies here which sometimes is more convenient than using the remove or set commands to do so. It won’t remove the cookie right away but write the command to the console so that you only need to press enter to run it.
You can alternatively use the cookie remove key command to do that. Note that this does not appear to work properly right now in the Nightly version that I tested it with. While you can run the command, it won’t remove the cookie from the Firefox web browser when you do so.
To write a new cookie use the cookie set key value command. This can for instance be useful if you want to set a cookie to get YouTube’s new homepage when Google is testing a new layout of it or for web development purposes.
Especially the options to list and remove cookies can be useful to non-developers, for instance to quickly remove all cookies set by a website.

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