Wikipedia talk:How to improve image quality

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Hi, this may not be the right place to ask, but can somebody recommend a free software for Windows which is able to create animated gif's? I wanna make a little animation for an article. Thanks Jakob.scholbach (talk) 19:43, 29 September 2008 (UTC)[reply]

Gif creation software:

You may find freeware/GNL/OPEN source software here

http://download.cnet.com/windows/animation-software/1950-2186_4-0.html?filter=licenseName%3D%22Free%22%7C&filterName=licenseName%3DFree%7C&tag=ltcol;narrow —Preceding unsigned comment added by Davidzoni (talk • contribs) 13:15, 13 October 2010 (UTC)[reply]

Downsampling image files

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I started a discussion on the issue of whether image downsampling should be encouraged as a means of improving image quality. Please share your thoughts. Gidip (talk) 20:43, 3 January 2012 (UTC)[reply]

Should downsampling of image files be encouraged, as the project page currently suggests? A parallel page in Wikimedia Commons actually mentions downsampling as a common problem that should be avoided by file uploaders. A related question is how to evaluate image files - should it be always done according to the 100% view (full resolution), or not necessarily? I think it is important to try to reach a consensus on these issues. At the present state it seems that the matter has never beem seriously discussed in Wikipedia. I started a similar discussion in Commons. Gidip (talk) 20:19, 3 January 2012 (UTC)[reply]

If it is a non-free image file, then we are required to try to use the smallest resolution that captures the image in detail to be of use to th readers, per WP:NFCC#3a. A screengrab from a 1080p television show does not need to be uploaded at that resolution but can be halved in both length and width (eg reduced to 25%) without likely harming the elements. If there are specific details that need to be seen as described in the text, then a larger resolution can be acceptable. We don't have any exactly numbers, though we often state that the bulk of non-free images can be reduced to between 0.1 and 0.16 megapixels and be considered appropriate.

For free images, we shouldn't touch them at all unless we're using the images to make a large composite work (with proper attribution) and don't want a massively mega-byte file at the end of the day. --MASEM (t) 22:05, 3 January 2012 (UTC)[reply]