Is that Firefox browsing window too big or too small for you?  Maybe it is just right, and you would like to keep it that way?  The Window Resizer add-on for Firefox lets you resize Firefox to tons of sizes (and remembers them for later!).

Why does Firefox have that little resizer corner thingy?  The one that rests in your status bar, on the far right side.  I am not even sure what to call it.  It has no point, because I can grab Firefox from all four corners to resize it to the size I want.  So the question remains – how do I remove it?
I now turn towards my favorite Firefox modification tool, Stylish to do the job for me.  Go check [...]

Don’t you have it when you have lost your perfect spot for your browser window in your desktop layout and you have to put it back by dragging it over, then resizing each corner till it is back in that perfect spot yet again?  Well, with the help of a little JavaScript you can take the mess out of resizing and repositioning your browser.
Why Resize and Reposition Firefox Automatically?
When working I usually like to keep up a chat window, [...]

I remember one of the early problems with every version of Firefox (until 3 came out) was the fact that you couldn’t edit how long the search box in the right corner should be.  Thankfully, with Firefox 3, now all you have to do is stretch it over to fit your needs.  So why would you need any of the older add-ons like Searchbar Autosizer?
Let me tell you there are still plenty of good reasons to give this Firefox [...]

Isn’t there already a text area resizer add-on for Firefox?  Yes, there is. Text Area Resizer & Mover however adds some more functionality and class to an already great Firefox add-on idea.
To use the add-on, just resize by right-clicking anywhere inside of the text area.  With this, dragging becomes an really easy task and the often sensible site layout remains untouched.  Here is more help on how to use this extension from the author.
Additionally you can move whole text [...]

Controle de Scripts is an add-on for Firefox that allows you to control what JavaScript on a web site can (or can not) do to your browser.  Here is a little more about the extension from the developer:

Besides the well-known basic permissions, like hiding toolbars or raise or lower windows, with Controle de Scripts you can set what functions or properties each site can access or modify, thanks to its Security Policies implementation.
Think of it as the regular permissions for [...]

Two popup window annoyances that come up are when you yourself can not resize a window because the designer has locked it down to that one shape and size and when a web site resizes your windows or moves them around without asking. We will start with that one first.
Stop Resizing and Moving My Firefox Browser
Want to stop the ability for web sites to resize your browser window or move it around? In Firefox go [...]

Resizing your browser window. This isn’t just something that web designers need – I think we all move our windows around the screen from time to time. Sometimes, just to let you in on a little secret… I do it just for the fun of it.
Firesizer is an extension for Firefox that will let you pre-set a series of browser sizes so you can quickly jump from one to the other. Here is a little more information [...]

Don’t you hate it when you have so many tabs open you can’t see what exactly is open? Well with the FishEyeTab extension for Firefox, you can kiss those days goodbye. This extension auto-expands your tabs when you hover over one with your mouse.

An alternative to scrolling when there are many open tabs, and they become too small to see. User can zoom tab labels by moving the mouse cursor over them. Fisheye zoom is activated only when [...]

For the ten people out there that miss iframe designs, I have an extension that will remind you of the good ol’ times. Split Panel allows you to split your browser window up into tiny bite size.. umm, smaller windows?
Open panel to left, bottom or right (left,middle or right click) with current URL from Split on context menu (right click on page) of the tab’s page. Allows you to view see two pages simultaneously for comparison or copying info [...]