diff --git a/Gemfile b/Gemfile
index 8db7d813..f9eaa6f1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -60,6 +60,7 @@ group :development do
   gem "letter_opener"
   gem "rails-footnotes"
   gem "annotate", :git => "https://github.com/ctran/annotate_models.git"
+  gem 'rack-mini-profiler'
 end
 
 group :development, :test do
diff --git a/Gemfile.lock b/Gemfile.lock
index f3a93096..ee8c8c8c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -237,6 +237,8 @@ GEM
     rack (1.4.1)
     rack-cache (1.2)
       rack (>= 0.4)
+    rack-mini-profiler (0.1.9)
+      rack (>= 1.1.3)
     rack-mount (0.8.3)
       rack (>= 1.0.0)
     rack-protection (1.2.0)
@@ -408,6 +410,7 @@ DEPENDENCIES
   omniauth-ldap!
   pry
   pygments.rb!
+  rack-mini-profiler
   rails (= 3.2.5)
   rails-footnotes
   raphael-rails (= 1.5.2)
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 3265046d..7ea9f320 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -4,6 +4,7 @@ class ApplicationController < ActionController::Base
   before_filter :set_current_user_for_mailer
   before_filter :check_token_auth
   before_filter :set_current_user_for_observers
+  before_filter :dev_tools if Rails.env == 'development'
 
   protect_from_forgery
 
@@ -142,4 +143,8 @@ class ApplicationController < ActionController::Base
   def render_full_content
     @full_content = true
   end
+
+  def dev_tools
+    Rack::MiniProfiler.authorize_request
+  end
 end