FireEditor web app for reading and editing Fire Emblem: Awakening save files.
Right now, all you can do is load a compressed file (yes, you don't need to use FEAST!), and see your units.
See it in action here: http://olmectron.firebaseapp.com/
It was build upon Polymer Starter Kit 3.0.
Do you want to know Polymer? Go here: https://www.polymer-project.org/2.0/start/