Add-ons that start with the letter U, run on ExpressionEngine 2, are compatible with Multi-Site Manager and are sorted by Entry Date.

8 results

URL Exists

ExpressionEngine 2

This script allows you to check to see if a resource URL exists. It returns a value of "yes" or "no". A common use of this plugin would be to check if an external resource exists within a conditional to set up an alternative if the resource comes back with a 404.

Added March 25, 2014.

  • No Reviews.
  • 5 4 3 2 1 No Votes
  • 0 Favs

Unit Converter 1.0 - $6.00


ExpressionEngine 2, ExpressionEngine 3

Unit Converter is a simple custom field type which enables to set different units and their values. It can be useful for setting different measurement units. It's almost same like mobile's Unit Converter app. For example, you are having a custom field for entering the value in kg and would like to populate the values in different weight measurement units. You can easily set the units from the field's setting and populate at front end for the same. You can find more details here at

Added March 26, 2013.

  • No Reviews.
  • 321212 Votes
  • 2 Favs

UB HttpOnly Cookies

UltraBob (Bob McDonald)

ExpressionEngine 2

This extension is unnecessary after 2.8.0. This extension does one thing: enable HttpOnly cookies in EE2.

Added November 21, 2012.

Editor's Pick
Each month the devot:ee staff picks an add-on that's especially well thought out, well built, and useful. They're add-ons that we love and think you will too!

Updater was chosen in August 2013.
Updater 3.3.0 - $29.00


ExpressionEngine 2

Updater makes updating ExpressionEngine and compatibile Add-Ons easier then ever. Sick of uploading all your files, backing things up, moving files around and wasting hours of your life away? Updater is here to give you hours of your life back. Simply install Updater into ExpressionEngine modules and with a few simple clicks you will have ExpressionEngine up to date.

Added August 16, 2012.

US States & Cities 1 - $129.00

Bjorn Borresen

ExpressionEngine 2

US States & Cities is a module and a fieldtype for building states/cities directory type websites in ExpressionEngine.

Added September 19, 2011.

Upload Rights 1.3 - $75.00


ExpressionEngine 1.x, ExpressionEngine 2

Allows to assign the rights to upload files to server directories and subdirectories to member groups and to individual members. For use together with Subdir Upload fieldtype.

Added April 4, 2011.

  • No Reviews.
  • 143211 Vote
  • 2 Favs

User Authors


ExpressionEngine 1.x, ExpressionEngine 2

The User Authors extension works with the User Module to activate several functions.

Added November 6, 2008.

  • 4 Favs



ExpressionEngine 2, ExpressionEngine 3

Create powerful and flexible member management areas using regular EE templates.

Added October 3, 2008.

  • 95 Favs