momen2009

It is plug-in which displays file size on the list of Media Library.

Display Attached File Size

It is plug-in which displays file size on the list of Media Library.

Jose Conti

With this plugin you can add tools for Media
<ul>
<li>Add columns in Media Library: The new columns are File Size and MIME Type. The File Size column is sortable so you can find the files with the bigger size in an easy way.</li>
<li>Add featured image to post list and allow to add and change the featured image from post, custom post and page list.</li>
<li>Add the ability of customize every image link of a Image Gallery.</li>
</ul>
More features to come.

Media Files Tools

Very usefull to search and optimize large files

Display Attached File Size vs Media Files Tools