Manjul

This plugin is created to create Custom Post Type dynamically. You can create posts and fill the form to create a new Custom Post Typ as per need.
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Easy CPT Maker

This plugin is created to create Custom Post Type dynamically

voceplatforms

Jeff Stieler

Kevin Langley Jr.

Adds meta boxes to all post types and allows you to convert the post type of the current post you are editing to a different post type. This very useful when doing an import from another site into one post type that then needs to be filtered into different post types or even to fill dummy posts throughout multiple post types.
Please refer to full documentation at https://github.com/voceconnect/post-type-converter/wiki.

Post Type Converter

Allows you to convert the post type of objects while in the edit screen.

Easy CPT Maker vs Post Type Converter