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I have a png image that has a white background. Is there anyway to take the white and make it transparent.

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up vote 5 down vote accepted

you can use Photofiltre (small, fast, free and portable):

  1. load the image

  2. go to Image > Transparent Color...

  3. choose the color (white), set the desired tolerance with the slider, click OK

  4. go to File > Save as... and save the image as .PNG

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The GIMP will allow you to convert a single colour to alpha, making it transparent.

The basic flow requires right-clicking on the image and choosing:

Filter > Color > Color to Alpha

And then selecting the white background. The GIMP will replace all white pixels in the image with transparent pixels.

Here's a good tutorial showing you how.

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I haven't seen a solution using Paint.NET here yet. It's an awesome lightweight image editor. To quote Jeff: "It raises the quality bar,"

  1. Download, install and run Paint.NET
  2. File > Open > Select your image
  3. Click the Magic Wand tool:


  4. Click the white background on your image
  5. Press Delete
  6. File > Save

You can also select the tolerance of the magic wand tool before your use it to get rid of the "crust" or whatever you want to call it around your leftover image.

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For this you have to scan those pages in which you want to do editing, and Click login, upload & convert to word & then edit. At 25-50cents a page this service is worth having the freedom of doing from anywhere anytime in small quantity.

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Why would converting to Word help? Do you work for said company? – Lee Taylor Dec 18 '12 at 1:10

use GIMP... Select the white area and erase or delete it, you can select and use the DEL key, or use the eraser if that doesn't work as needed. Then save it as a PNG.

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Photoshop (and Photoshop Elements) magic wand tool will allow you to select contiguous colours. You may want to play with the tolerance a bit... Once selected, hit delete to remove the white.

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