Help:Files

Search for files, or upload your own file. (See Uploading files below.) A search lists every file page containing all the search terms found on the file page. From the search box enter File:descriptive terms.  For example, include the terms image, video, or midi in the query. Then, discovering the page name you can help:edit the of any page and insert that media. This is an easy way to significantly improve articles. (See Using files below.) For example, the page title "File:CI 2011 swim 04 jeh.theora.ogv" will appear in the search results for .

There are three semantic differences from the normal syntax when working with a file page:

The preferred formats

High resolution images and animated .gif files may pose a problem for performance, but see the problem description in terms of bandwidth and reader's computing power at Consideration of image download size. For photographs in JPEG format, upload the best quality and highest resolution version available; these will be automatically scaled down to low-resolution thumbnails when needed.

The above link contains "fields":

Text and captions need have little text in common. A reader of the article can click on the thumbnail, or on the small double-rectangle icon below it, to go to the corresponding file page.

For examples of all these techniques, see Picture tutorial.

File names should be clear and descriptive, without being excessively long. While the image name doesn't matter much to the reader (they can reach the description page by simply clicking on the image), it matters for editors. It is helpful to other contributors and for maintenance of the encyclopedia if images have descriptive or at least readable file names. For example, File:Skyline Frankfurt am Main.jpg is more manageable than File:14004096 200703230833355477800.jpg.

To avoid accidental overwriting of images or other media, generic filenames should not be used when uploading. For example, a picture of an album cover should not be given the name File:Cover.jpg. Sooner or later someone else will try to do the same thing, and that could overwrite the old image. Then the new image will appear wherever the old one was seen before—an album article would then show the wrong album cover. A better name would be File:Sabaton The Last Stand cover.jpg

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