change a black background on a picture to white on os x

Discussion in 'macOS' started by mitch1211, Sep 25, 2013.

  1. mitch1211 macrumors newbie

    Joined:
    Feb 9, 2013
    #1
    hey everyone,

    Is anyone aware of a way to turn the black background of a picture white?

    I have some pictures I need to use in the thesis, but they will look horrible printed out with a black background.

    Basically its a black square with the main image in the centre. Best I have managed is to crop as close to the main image as possible, but still some black background remains because the crop is square and not free hand.

    Any suggestions?

    Mitch
     
  2. ScoobyMcDoo, Sep 26, 2013
    Last edited: Sep 27, 2013

    ScoobyMcDoo macrumors 65816

    Joined:
    Nov 26, 2007
    Location:
    Austin, TX
    #2
    I have use the gimp to do just this. Actually I made the background transparent, which is probably what you actually want.

    Once you install the gimp, use this site to find the procedure on making the background transparent.
     
  3. MeUnix macrumors 6502

    Joined:
    Aug 21, 2013
    Location:
    San Francisco
    #3
    ^^ I second that. I used to use Photoshop for editing my images but since I do not do any heavy photo editing I switched to GIMP. GIMP is free and it has some great features. Just my two cents.. ;)
     

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