Wikipedia:WikiProject Apple Inc./How to upload icons
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This is sort of a wikibooks topic, but here we go!
For these instructions it is recommended that you have Mac OS X v10.4, as it comes with all the appropriate tools to do the job. Preview in Mac OS X v10.3 is not up to the task.
There are 2 ways to go about this, either opening the .icns file itself or copying the icon in the Finder.
- Get the icon
- Direct: Find the object who's icon you want. Edit→Copy or ⌘C. Open Preview and make a new file. Whatever is in the clipboard will be put in the new file.
- Indirect: Right click the application that has the icon and choose Show Package Contents, navigate to the resources folder or wherever the file is and open it.
- In Preview choose the largest/best image and choose File→Save As…
- Save the file as PNG with alpha.
- Upload the icon, tagged as {{non-free computer icon}} or {{game-icon}}.
If the icon is from a pre-OSX application, you may wish to consider optimizing it in an image editor. Converting an older format icon to PNG-8 from PNG-24 should shave off about 1/3 of the file size.
Please do not upload in JPEG (no transparency & has compression artifacts) or GIF (poor compression rate) at all!