hotoMeta Is a plugin to enable article custom fields to be used as meta content. You can use the benefits of the custom fields to define your own tags and assign them to articles, default values for meta tags and assigning different tags to different article categories. There is no limit fo what meta tags to define, you can even create your own types.
Content - hotoMeta
hotoMeta supports "Text", "Text Area" and "Media" custom fields for meta tags. Other field types might work but not officially supported.
For more about installation, configuration, usage and changelog, see the project homepage : https://hometoll.com/products/content-hotometa