Multiple Firefox Instances

Firefox Shortcuts and Tips

This tip happens to be my favorite Firefox tip/tool.

With it, you can run many instances of Firefox with different

Profiles and different Firefox versions at the same time.

The benefits:

Run test and beta versions of Firefox without affecting your

default Firefox configuration,

Use different Profiles for different users without having to shut

down Firefox,

Test new extensions and themes in a new Profile before

incorporating them into your default Firefox Profile,

and other uses which you’ll discover as you use this tip.

Notepad

First, open Notepad and paste in the following:

@echo off

set MOZ_NO_REMOTE=1

start "" "C:\Program Files\Mozilla Firefox\firefox.exe" -p

set MOZ_NO_REMOTE=0

Save the File

Save the file with any name that you wish, and in any location,

but you’ll be saving it as a

.bat

If you don’t like the look of the icon, simply place the file in a

folder, create a shortcut to it on your desktop, and then, change

the icon as usual.

Run the File

Now assuming that you have more than one Profile, when you

double click on the .bat file,

the Profile Manager should open up allowing you to choose a

Profile to run in addition to your currently opened Firefox Profile.

See

The Profile Manager

to learn how to create new Profiles.

Thanks goes to the edmeister for his original multiple simultaneous Profiles tip.
Visit the edmeister for more Firefox tips.

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