Convert an Image into Black & White with Preview in Mac OS X
Want to convert a color picture to a beautiful black and white version? Believe it or not, you don’t need any fancy apps like Adobe Photoshop, Pixelmator, or even iPhoto to convert images into black and white, all you need is Preview, which is the preinstalled basic image viewing Mac app that comes with Mac OS X. That means there is no need to buy any additional apps or plugins, you can do it all for free right with the Macs built in tools, and you’ll get a surprising level of control with some impressive results, giving your images that Ansel Adams look in just a few moments.