Careful color adjustments may be used to bring out the original work from the signs of ageing, though care should be taken to restore a natural appearance. For historic images, acceptable manipulations might include digitally fixing rips, removal of stains, cleanup of dirt, and, for mass-produced artworks such as engravings, removal of flaws inherent to the particular reproduction, such as over-inking.More extensive manipulations, such as removal of distracting background elements, should be clearly described in the image text, by means of the templates. For photographs, typical acceptable manipulations include cropping, perspective correction, sharpening/blurring, and color/exposure correction.Digital manipulation for the purpose of correcting flaws in an image is generally acceptable, provided it is limited, well-done, and not intended to deceive.
Digital manipulations must not deceive the viewer.General quality – pictures being nominated should be of high technical quality.Scans – While not official policy, Help:Scanning provides advice on the preparation of various types of images that may be useful.See Commons:Why we need high resolution media for more information. They may be used in high-resolution print versions, and the images may be cropped to focus on portions of the image. Graphics on Commons are not only viewed on conventional computer screens.This does not apply to vector graphics (SVGs). Resolution – Raster images of lower resolution than 2 million pixels (pixels, not bytes) are typically rejected unless there are strong mitigating reasons.Licensing – Images licensed with solely "GFDL" or "GFDL and an NC-only license" are not acceptable due the restrictions placed on re-use by these licenses.
All other types of files should be nominated at Commons:Featured media candidates.
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