Nelson Homework Central >> Web Design >> Transparent GIFs

How to make a transparent GIF using the GIMP:

Let's say you have a table or page with a black background and you want to use an image
but let the background show through:

GIF image
GIF image
Non-transparent image
Transparent image...

Here's how to make a GIF image transparent:
  1. Change the image to RGB mode from INDEXED mode.
    <right-click> >> Image >> Mode >> RGB
  2. If the image does not have an alpha channel, add one.
    <right-click> >> Layers >> Add alpha channel
  3. Use the wand selector and select the back ground color.
  4. Delet the background color.
  5. Save as a GIF.