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Union for National Self-Determination Logo.png 225 × 225; 9 KB University of Agricultural Science Raichuru logo.jpg 225 × 225; 15 KB Upsala College NJ SEAL.jpg 255 × 228; 26 KB
When converting an image from the PNG format to GIF, the image quality may suffer due to posterization if the PNG image has more than 256 colors. GIF intrinsically supports animated images. PNG supports animation only via unofficial extensions (see the section on animation, above). PNG images are less widely supported by older browsers.
This image shows the results of overlaying each of the above transparent PNG images on a background color of #6080A0. Note the gray fringes on the letters of the middle image. This shows how the above images would look when, for example, editing them. The grey and white check pattern would be converted into transparency.
Original file (9,042 × 5,159 pixels, file size: 417 KB, MIME type: image/png) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
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This logo image consists only of simple geometric shapes or text. It does not meet the threshold of originality needed for copyright protection, and is therefore in the public domain . Although it is free of copyright restrictions, this image may still be subject to other restrictions .
In regard to uploading company logo images, please note the guidelines at Wikipedia:Logos.Two relevant guidelines state: "Logos that contain corporate slogans should be omitted in favour of equivalent logos that do not", and "Generally, logos should be used only when the company and its logo are reasonably familiar".
Logos should not be used in contexts which are, taken as a whole, strongly negative. It is generally acceptable to use a logo in an article about what the logo represents (such as a company or organization), or in an article discussing the logo itself, its history and evolution, or the visual style of the logo's creator.