Guess and Check


What is Greasemonkey?

Filed under: Technology — 4:43 pm

Greasemonkey is a Firefox extension that allows you to write scripts that alter the web pages you visit. You can use it to make a web site more readable or more usable. You can fix rendering bugs that the site owner can’t be bothered to fix themselves. You can alter pages so they work better with assistive technologies that speak a web page out loud or convert it to Braille. You can even automatically retrieve data from other sites to make two sites more interconnected. #

Pretty much, a Firefox user would install the Greasemonkey extension which would then interface with separately installed “user scripts” that the user could either write himself or find in the repository.

The possibilities are mind-boggling for what an end user could do to improve their browsing experience.

You can find out more by checking out Mark Pilgrim’s GPL licenced book on programming with Greasemonkey, Dive Into Greasemonkey.

4 Responses to “What is Greasemonkey?”

  1. Joey Says:

    Have you seen the two Greasemonkey scripts for Homestar Runner? You can get them from the GreaseMonkeyUserScripts page on An Unnamed MoinMoin Wiki.

  2. Tom Says:

    Yeah yeah, that page is the repository link I have up there. There’s lots of Greasemonkey goodness to be had. And yeah, I think Jones mentioned the Homestar-Fullon one somewhere on the forum too. I personally don’t use that one, and I’m not really sure why.

  3. Rainer Says:

    Wow, that Homestar-Fullon thing’s pretty cool!

  4. Ed Says:

    Greasemonkey is cool! Homestar Fullon is nice because I always watch them in full screen anyway and it gets annoying to look for the files every time.

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