Joe McGill

This plugin adds a Media panel to the Debug Bar. Requires the <a href="https://wordpress.org/plugins/debug-bar/" rel="ugc">Debug Bar plugin</a>.

Debug Media

Works as expected and returns helpful information for debugging media issues.
Requires Debug Bar plugin.

A++++++!!!!

THANKS JOE

Great for Retrieving Media Debugging Info

Adds media debugging information to the Debug Bar.

Roland Rust

Prints out your webservers php settings as well as other information about your WordPress installation. 
Important for posting at various WordPress support forums.

Phpinfo

Prints out your webservers php settings as well as other information about your WordPress installation.

Debug Media vs Phpinfo