This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.

Fluid Customizer


Fluid Customizer is a simple plug-and-play plugin which allows you to resize the width of the preview window in the Customizer to whichever size you like. Simply install the plugin, go to your Customizer, then click and drag the right border of the sidebar and watch the magic happen!


From your WordPress dashboard

  1. Click Add New from the plugins page in your wordpress site
  2. Search for Fluid Customizer
  3. Click on install

Alternatively from

  1. Download the latest version of Fluid Customizer
  2. Extract the files
  3. Upload the entire fluid-customizer folder to the /wp-content/plugins/ directory.
  4. Activate the plugin through the ‘Plugins’ menu in WordPress.


Why isn’t this in core?

I don’t know, but that’s why this plugin was built

Are there any settings to play with?

Nope, just plug and play!


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Contributors & Developers

“Fluid Customizer” is open source software. The following people have contributed to this plugin.


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Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.



Initial release