antocara

Add a box with information about the author of each post after post written by that author. 
This box will display information in bio of each writer’s blog, a link to every post written by this author, avatar, and a series of icons link to author profile on social networks 
are known as Facebooks, Twitter, Google+ and icon for contact by email.
All these data the author of this post are collected from the profile of each author which have incorporated the necessary fields to fill. 
Author Info also has a widget in which appear a list of all components of the blog who have permission to write to the blog. This widget also displays the avatar of the author, 
his name with a link to a list of all posts written by him, the same icons to link to your profile on social networks and the number of written post. 
The box appears with the author’s information after each post is configurableboth in its background color, the color of the lettering and decorative border color of the table below.
Author info is configured for use in multi mode to be available in:
<ul>
<li>Spanish </li>
<li>English</li>
<li>Italian (gracias @cento)</li>
</ul>

CW Author Info

Add a box with information about the author of each post after post, include a widget in which appear a list of all components of the blog

rajkakadiya

rvadhel

If you want to change the author of multiple posts simultaneously, then this plugin is for you.
By using this plugin you can easily change multiple posts author to new post author. Additionally you can switch post author by post type, post status and existing post author.
How to use the plugin?
To bulk update authors, you should first navigate to the “Post Author Switcher” page from the WordPress admin sidebar.
Next, you need to select the post type, post status and existing selected author of posts which you want to change the author.
After that, you need select new author you want to assign. That’s it now click on “Run Author Switcher” button. Selected posts author will be changed.
You can also switch post author from user edit screen. To do that go to that user edit page which user you want to change with new post author.
Free Features 
🔹 Easy to configure 
🔹 Switch author by post type 
🔹 Switch author by post status 
🔹 Switch author from existing selected post author 
🔹 Directly switch the posts author from user edit screen 
🔹 Plugin designed to address challenges in WordPress 
🔹 Simplifies author management with a single-click solution 
🔹 Fast user switching experience

Post Author Switcher

This plugin will help you to switch post author of multiple posts at one click. Additionally you have option to switch post author by post authors, po …

CW Author Info vs Post Author Switcher