Davey IJzermans

The user interface should be self explanatory. Include and exclude posts by entering an ID, define a custom post type and modify the inserted content and the post’s title

Posts from Images

Makes a post for every image in your library and optionally sets it as the the post thumbnail, adds the image and/or gallery to the post body.

KrishaWeb

Girish Panchal

Dilip Bheda

Pratik Gandhi

This plugin gives flexibility to user to change posts from one post type to another. Also users can change posts from post type to page.
Features 
• Easy installation 
• Post to other post type or page. 
• Free support
Checkout the advanced features of Post Type Transfer: 
• It provides functionality enable/disable the feature for certain post type. 
• It also provides functionality to transfer the taxonomy while transferring the post to other post type. You can create new taxonomy or use the current one.
<a href="https://codecanyon.net/item/post-type-transfer-pro/21585540" rel="nofollow ugc">Get the Post Type Transfer Pro</a>
<h4>Supported Types</h4>
The plugin will help you to transfer any post’s post type to other post type. It will also allow custom post type. Invisible post types like revision, menu and attachment are purposely excluded

Post Type Transfer

Easy to use

A simple way to change a post's post-type in WordPress

Posts from Images vs Post Type Transfer