Lesson 2: Convert a png file with alpha channel to jpg file1. Run 123 Graphic Converter XP through clicking Start menu -> Programs menu -> 123 Graphic Converter XPmenu -> 123 Graphic Converter XP shortcut. 2. You'll see the main window of 123 Graphic Converter on your desktop, then, click File menu of 123 Graphic Converter XP, move your mouse to the submenu Convert to,and click JPG menu.  3. You'll see a select picture dialog on the top of 123 Graphic Converter, then, locate to the install directory of 123 Graphic Converter (I assume that you installed 123 Graphic Converter into the programs directory, "C:\Program Files\123 Graphic Converter XP\"), now, open lessons folder.  4. In lessons folder, you'll see four files, please select "lesson2.png" file, and click Open button to select the png image file named "lesson2.png" into task list. 5. Now, the main window of 123 Graphic Converter XP will look like this.  Turn to "Options" page to change png background settings,  click PNG Options item on the left side of Options page, you'll see PNG Options page, please check "Background" checkbox, and select blue color as background. (the alpha channel will be replaced with selected color)   Then, click Convert button to convert "lesson2.png" file to "lesson2.jpg" file.  6. Congratulations! All works are well done, you can find the file "lesson2.jpg" in lesson directory. 
With the lesson, you should know how to convert a png file with alpha channel to other image format with customize background color. Lesson1: Convert bmp file to jpg file |
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