Making Black and White Photographs in Apple's Preview App

I have been using gimp to convert my photographs into black and white and have not really been happy with the process.

At work I use photoshop, but it is a super heavy application to use just to convert pics into black and white. It is also expensive as an application and I don't want to go that cost as all I do is convert stuff to black and white. Photoshop does have a very cool converter though where you control the colors.

Gimps mechanism for turning photos black and white is with grey scale. I normally saturate the colors to around 20%-30% and then grey scale it. After that about all I play with is the contrast.

Apple's Preview application that comes with OSX has far better manipulation tools for color. I only just worked out how to turn a picture black and white from the Preview app. Saturation to nothing and it is black and white: hola. No need for gimp or photoshop.
Permalink, Making Black and White Photographs in Apple's Preview App, Jul 2009, cam

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