After some digging around at remotecentral I've come up with this guide and compiled the files to get pronto hex codes onto Harmony remotes. Note you don't have to have your remote plugged in to add these to your account. It has been tested on a Harmony One & 900 Enjoy Download this zip file and extract the files to any folder (link updated 23/11/14): https://dl.dropboxusercontent.com/u/7593163/Hex to Harmony Rev2.zip Using Firefox or Chrome (I've not tested other browsers) - go to Routine System Maintenance Click the "Next" button and login using your Harmony Remote account details Click "More Options" then "More Options" again for the device you wish to add a command to. Click "Learn Infrared Commands" In the Learn New Command Box at the bottom of the page, enter a desired command name (Do not include any spaces in the name) then click New Command You'll be prompted to download & run a file called "LearnIr.EZTut". Don't run this but instead save it to the same folder where you unzipped the files from step 1. Keep the firefox window open. Run the file called "cmd.bat" (double-click it) Wait a few seconds until you can choose wether to [L]earn new commands or to input Pronto [H]ex codes. Type "H" then paste the hex code. (right mouse key>paste) When it sucessfully reads the code you'll be prompted with choices including pload the code, type "U". [*]The webpage should now change back to the learn page showing your new command at the bottom. [*]In the command window, type "Q" to quit.