How to stop resizing Firefox windows

This should be set as the default in Firefox, IMHO.  But it sure is nice not having exploding browser windows anymore!

There is nothing more annoying than pages that resize your Firefox Window.
Luckily, you can fix it within seconds.


Here is how to prevent sites from resizing your Firefox window:

1. Go to: Tools -> Options -> Content
2. Click Advanced button
3. Uncheck the box “Move or resize existing windows”


  1. Hmm.. ignore tip in comment #3: apparently that’s no longer a valid tip for the current version.

  2. I’m using on Windows. Here’s a link to do the same on other platforms:

  3. I don’t have that option. What version, what platform? Thanks.