GreaseMonkey How-To Guide!, Internet Tips and Tricks

# Introduction
Greasemonkey is a Firefox extension for altering the web pages you visit. Greasemonkey performs these alterations using specially written javascript files called userscripts.
As a user, you need not worry about writing userscripts. There are plenty of places on internet where you can find millions of userscripts which alters the website you want, in a way you like! A list of such websites is provided at the end of this guide.
Now as a beginner you need to know few basics things first like…

* Installing GreaseMonkey Extension
* Installing GreaseMonkey Userscripts
* Managing GreaseMonkey Userscripts (e.g. Uninstalling)

# Installing GreaseMonkey Extension
Requirement: Greasemonkey is firefox extension, so it can run on every platform on which firefox runs (that includes Windows, Linux, Mac, etc). So all you need is firefox. There are Greasemonkey alternative for Internet Explorer and Opera but they performs very poorly and thus not recommended.
Firefox 3
Now if you are in firefox then click here to install Greasemonkey extension! (You can also visit GreaseMonkey Addon Page)
Like other firefox extensions clicking on above should prompt a install now dialog as shown below…
Greasemonkey firefox extension - Install dialog
Click on Install Now link. You need to restart you browser for installation to complete!
>> On successful installation (after restart), you should see Greasemonkey icon in lower-right corner of firefox browser
Greasemonkey successful installation image
You must see Greasemonkey icon as shown above before proceeding!


# Installing GreaseMonkey Userscripts
Next comes important part of installing userscripts. Without userscripts Greasemonkey can’t do anything!
There are many place on internet where you can find userscripts. Normally a link to userscript ends with user.js extension.
Clicking on any such link will open a dialog like below. Just click Install button. Thats it!
Greasemonkey Userscript Installation Dialog
You can also read this document describing this part in more detail as well as watch a slightly old video tutorial.
# Managing GreaseMonkey Userscripts (e.g. Uninstalling)
In three ways you can mange a userscript from Greasemonkey management console: disable, uninstall & reconfigure.
To bring Greasemonkey management console,

* either right click on Greasemonkey icon in lower-right corner and select Manage User Scripts option from context menu.
* or Go to firefox main menu and select Tools >> Greasemonkey >> Manage User Scripts option.

It will look like below…
greasemonkey manage user scripts
Now carefully look at above screenshot. From one place you can control everything related to userscripts on your system…
The left sidebar shows list of all scripts installed. Note some names are faint. That indicated a disabled script.
To perform certain operation on a userscript first select that userscript from left sidebar. Once selected its name get highlighted as shown in above screenshot.
You can perform following operations on a userscript…

1. Disable – Disabling a userscript will make it inactive. It will remain on your PC but will not alter pages anymore. (Video Tutorial)
2. Uninstall – It will remove userscript completely from system. (Video Tutorial)
3. Reconfigure - It includes editing list of pages which a userscript supposed to alter. You will rarely need to use to this option. (Video Tutorial)

This covers most of the things from user perspective!
# Finally Some Greasemonkey Repositories…

* Userscripts.org
* Old Greasemonkey script repository
* List of userscripts developed by me

Credits: Part of this article and all video tutorials are by Dive Into Greasemonkey!

Best Greasemonkey Scripts For Youtube

Before start writing this post I feel a need to tell you about Greasemonkey.
Greasemonkey is a Mozilla Firefox extension that allows users to install scripts that make on-the-fly changes to most HTML-based web pages.Greasemonkey can be used for adding new functionality to web pages (for example, scripts for Orkut).(read this post to know all about greasemonkey).
Here are few Greasemonkey Scripts for Youtube. Installing these scripts will increase your Youtube experience. Lets start :
1) Youtube Googler : It is a Greasemonkey script that makes YouTube videos look more like Google Videos. Basically, it puts the comments in a new tab on the sidebar, and expands the video frame to take up as much space as possible, just like Google Video. Click here for installation link.
Image credits Mashable
2) Youtube “Lights Out” : This script is really my favorite one. Just click on the Light Bulb and the background will get lighter and lighter resulting in highlighting only the video. Watching video with this script enabled will really be a great fun. Click here for installation link.

3) Youtube Alternate Video Player : If you want a new look on Youtube this script is best for you. It replaces the Youtube Flash Video Player with FlowPlayer Flash Video Player. Click here for the installation link.

If you have more scripts for Youtube, do share it with us and Subscribe.

Greasemonkey

Greasemonkey is a Mozilla Firefox extension that allows users to install scripts that make on-the-fly changes to most HTML-based web pages.
Greasemonkey can be used for adding new functionality to web pages (for example, scripts for orkut)
What is the need of Greasemonkey :
Most of the orkut scripts works with greasemonkey only.Like orkut themes,scrap all and many more.So its a must add-on for Firefox.I recommend to install greasemonkey every time you install Firefox.

Installation Instructions :

Greasemonkey only works on Firefox ,if you do not have firefox you can download it from right sidebar.

click here to download Greasemonkey or you can visit greasemonkey addon homepage and install from there.

A window will pop asking you to install greasemonkey,click on “Install Now”

click on the image to enlarge

Now restart Firefox and you are done !!