Pop-up blocker is also called pop-up killer and prevents pop-up from displaying in a user's web browser. Pop-up blockers work in different ways: some op-up blockers disable the command that calls the pop-up; some alter the window's source HTML and some close the window before it appears. There is a problem with most of the pop-up blockers that is they cannot always differentiate between an unwanted pop-up window and one that is user requested.

Though pop-ups are annoying and sometimes dangerous, nobody wants to spend money on popup blockers.

Many free pop-up blockers are available now. Find the efficient free pop-up blocker that is right for you. The Google Toolbar with Free pop-up blocker will block the majority of pop-ups.

Make sure that your pop-up blocker actually blocks pop-ups after downloading. Go to the websites such as popuptest.com or popupcheck.com and simply click on the links provided and see how your software responds.

Here is a list of some free pop-up blockers.

sQusi Tracking Plus 2.15

sQusi Tacking Plus is a free pop-up blocker. It combines the functionality of several available extensions like ad blocking, script blocking and cookie cleaning. It works with both Internet Explorer and Firefox on Windows XP and Vista.

You can download it from http://www.download.com/sQusi- Tracking-Plus/3000-7786_4-1054 0575.html?tag=lst-0-1&cdlPid=1 0853178

STOPzilla Anti Spyware

With the excellent features STOPzilla intercepts and destroys all forms of pop-up ads and user reuested pop-ups to display. It also blocks both website spawned pop-ups as well as pop-ups launched by spyware/Adware applications.

Download it from http://www.stopzilla.com/produ cts/stopzilla/sz-thanks.do

Hitware Popup Killer Lite

Hitware Popup Killer Lite is an automatic Popup Blocker. It efficiently eliminates most pop-up and pop-under ads before they appear. You can maintain a list of allowed sites, and also disable pop-up blocking from the animated tray icon, if needed.

Download it form http://www.snapfiles.com/get/h itwarepop.html

Mozilla Firefox Toolbar

There is no need to give introduction to Mozilla Firefox web browser. This browser has many excellent features like password manager, smart location bar, Instant Website Id etc. The Pop-Up Blocker feature efficiently blocks the unwanted pop-ups. You can choose the list of sites whose pop-ups are okay for you.

Download it from http://www.mozilla.com/en-US/f irefox/

Maxthon Toolbar

Maxthon web browser offers many excellent features. The Ad Hunter feature efficiently cleans up the web pages by stopping popup Windows, irritating ads, images and removing Ad content blocks. In addition to Ad Hunter this web browser has many excellent features Web Sniffer, URL Alias etc.

Download it from http://www.maxthon.com/

Learn more about this author, Valli Sarvani.
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