Bob Orchard

Since most themes utilize the H1 tag in the template for semantic SEO markup, there’s no reason to allow the h1 to be used in the WordPress Editor. Tis plugin easily removes the H1 tag from the editor within the WordPress admin when activated.

SEO – Remove H1

Easily remove the H1 tag from the editor within the WordPress admin for SEO purposes.

Andrew Ozz

This plugin is intended for more advanced users that would like to change the default TinyMCE configuration in WordPress. 
It makes it very easy to add, remove or change all TinyMCE settings for the classic editor and for the classic block in the block editor.

Advanced TinyMCE Configuration

Set advanced TinyMCE options for the classic block and classic editor.

SEO – Remove H1 vs Advanced TinyMCE Configuration