While I'm not someone that likes transparent windows, I can acknowledge that some users might find transparency pretty useful. Blend is a tiny Windows application that can deliver transparency for all or selected windows. The first start was actually quite a shock for me because it did apply transparency to all windows directly and I had a hard time figuring out what was going on.
Since you can set the transparency level to be fully transparent you could effectively create a state on your system where you do not see Blend anymore, which means you cannot change the transparency level anymore as well; Unless you reboot that is. But that only happens once, don't you think. As I said Blend can make all Windows transparent or set individual transparency settings for selected windows which is probably the better and safer way.
Individual windows can be selected by adding the path to their executable to Blend or by dragging a little icon from Blend to the open program window which will have the effect that Blend adds this program automatically to the list.
The memory footprint of Blend is extremely low with only three Megabytes and 120 Kilobyte on the hard drive. If you like and use transparency in Windows then Blend is the application for you. Oh, and it's version 0.0.0.1. Maybe a joke of the author because it runs perfectly on my system.
Update: Blend has not been updated since our first initial review of the application in 2008. While it is still working well with all flavors of the Windows operating system, it is safe to assume that it will stop being compatible at one time or the other. It also seems as if the developer has stopped development, or at least put development on ice for the time being. I would not get my hopes up to see an update anytime soon.
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Ghacks is a technology news blog that was founded in 2005 by Martin Brinkmann. It has since then become one of the most popular tech news sites on the Internet with five authors and regular contributions from freelance writers.