Use Media Library Alt Text for Images Missing It in Posts
When an image in a post has an empty alt attribute but its Media Library entry has alt text, the library text is used on the page, fixing older posts without editing them.
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.