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#How to start firefox profile manager how to
#How to start firefox profile manager windows

Short form: -P without a profile name.īypass profile manager and launch application with the profile named profile_name. This can be used to suppress the migration wizard at startup by loading the following override.ini. Load the specified override.ini file to override application.ini ( browser/app/application.ini). Also when using this argument a new instance is created in any case.

That means that such instances won't be re-used. instances created with this parameter do not accept or send remote commands, see bug 650078. Note: Since Firefox 9, this does really mean what its name implies on all platforms.

#How to start firefox profile manager windows

Note: Not available for Windows see bug 855899.ĭo not accept or send remote commands. Implies -new-instance. Open new instance, not a new window in running instance, which allows multiple copies of application to be open at a time.įirefox -new-instance -P "Another Profile" Note: profile_dir must not exist and you must not already have a profile called profile_name. You can use the -no-remote option to avoid connecting to a running instance.įirefox -CreateProfile "JoelUser c:\internet\joelusers-moz-profile" Note profile_name and profile_dir are quoted together, and are separated by exactly 1 space (as with the previous syntax, profile_name must not contain spaces).ĭo not run profile_dir while running an instance of the application. The profile will be named profile_name in the profile manager. Do not run profile_name while running an instance of the application, you can use the -no-remote option to avoid connecting to a running instance.įirefox -CreateProfile JoelUser -CreateProfile "profile_name profile_dir"Ĭreates a new profile in the profile_dir directory, but do not start the application. The profile will be named profile_name in the profile manager, the profile_name must not contain spaces ( ). Adding this option bypasses downgrade protection.Ĭreate a new profile in the default directory, but do not start the application. Depending on changes between the two versions, some files in a profile may not be downwards compatible. Open a terminal and enter the following command:įirefox 67's downgrade protection prevents accidentally starting Firefox in a profile running a later version of Firefox. If you use Firefox Nightly, you can enter:Ĭd /Applications/FirefoxNightly.app/Contents/MacOS Open terminal and enter the following command:Ĭd /Applications/Firefox.app/Contents/MacOS The following examples show the use of the -ProfileManager command, which will open the profile manager prior to starting Firefox: In general, the syntax is as follows:Īpplication -option -option "argument" -option argument Multiple command line options can be specified. In some cases, option arguments must be enclosed in quotation marks (this is noted in the option descriptions below).

Some options have abbreviations, for example, -editor can be abbreviated as -edit (available abbreviations are described in the text below). If the option contains arguments, enter the argument after the option.

Blank spaces ( ) separate commands and parameters.Ĭommand line options follow the command to start the application.

Command parameters, except profile names, are case insensitive.

Command parameters containing spaces must be enclosed in quotes, such as "Joel User".

You can open the command line interface by pressing Shift+F2.īut first, let's describe the syntax rules that apply for all options.

#How to start firefox profile manager how to

This page describes the commonly used options and how to use them. You can also control how Mozilla applications open, which components open initially, and what the components do when they open. For example, if you have multiple profiles you can use command line configuration options to bypass the Profile Manager and open a specific profile.

1.3.3 -CreateProfile "profile_name profile_dir"Ĭommand line options are used to specify various startup options for Mozilla applications.

This isn’t rocket-science but not many people are aware of Firefox task manager.

With this task manager, you can spot a rogue script on a site as well whether it’s causing your browser to slow down.

The subframes or the subtasks are usually the trackers/scripts associated with a tab that needs to run in the background.

Once there, you can check for the resource usage, expand the tabs to see the trackers and its usage, and also choose to close the tabs right there as highlighted in the screenshot below. Next, you will find the option to select “ Task Manager” - so just click on it. Quickly access task manager in FirefoxĪlternatively, you can click on the menu icon and then head on to “ More” options as shown in the screenshot below. To quickly launch Firefox Task Manager, you can type “ about:performance” in the address bar as shown in the screenshot below. Surprisingly, there is no Firefox keyboard shortcut for the task manager.