How to Enlarge Thumbnails in the Media Library

Our friend Nick Ciske has recently released the Media Thumbnail Enlarger plugin for free on the WordPress repository.

Media Library Thumbnail Enlarger Plugin
Get This Plugin

What This Plugin Does

This plugin increases the size of the media library thumbnails seen when viewing your WordPress Media Library page.

By default, it uses the thumbnail size as determined in your WordPress Media Settings. This is typically 150×150.

You can also set a custom Media Library Thumbnail size by using a simple image size code snippet in your theme’s functions.php file, which is probably where this plugin will be most useful.

add_image_size( ‘mte_thumbnail’, 300, 300, true );

…or whatever size you wish.

Before and After Installation

Media Thumbnail Enlarger Before and After
Media Thumbnail Enlarger Before and After

Why Would You Want to Increase the Media Library Thumbnail Sizes?

As you can see in the image above, having larger thumbnail images looks a lot better than the default display, but it’s more than that.

At FooPlugins, we have a focus on Media as you might know from using our popular FooBox plugin. Many of our customers are photographers and people who generally have a focus on imagery in their WordPress powered sites.

Because of this, they are typically in the Media Library a lot more often than your average user as they upload images and create galleries within WordPress.

Having larger thumbnails displayed as they browse through hundreds or even thousands of images just makes their lives easier, and that’s a good thing.

Why We Love This Plugin

We are big fans of Nick and this plugin specifically because it does one thing, and it does it really well. Not only are there no settings to fiddle with, but output of what this plugin does is something that most people wouldn’t even think about if they weren’t so focused on the end user experience.

And we’re always big fans of that!

So check out the Media Library Thumbnail Enlarger and also Nick’s other work at the

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How to Enlarge Thumbnails in the Media Library