Regenerate Thumbnails allows you to regenerate all thumbnail sizes for one or more images that have been uploaded to your Media Library. This is useful for situations such as: A new thumbnail size has been added and you want past uploads to have a thumbnail in that size. You’ve changed the dimensions of an existing thumbnail size, for example via Settings â Media. You’ve switched to a new WordPress theme that uses featured images of a different size. It also offers the ability to delete old, unused thumbnails in order to free up server space. In Memory of Alex Mills In February 2...
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