Image Guidelines Note in the Upload Screens
Shows a short note with your image rules, such as recommended sizes, file types and the need for alt text, right inside the media uploader and Media > Add New screen.
Snippet Library
Media snippets for WordPress
Snippets for the Media Library and uploads: allow SVG or other file types, rename and limit uploads, add image sizes, categories for media and alt text helpers. For content teams and developers who handle a lot of images and files.