diff --git a/extensions/showkeybindings/index.coffee b/extensions/showkeybindings/index.coffee
new file mode 100644
index 000000000..c925d6aa4
--- /dev/null
+++ b/extensions/showkeybindings/index.coffee
@@ -0,0 +1 @@
+module.exports = require 'showkeybindings/showkeybindings'
diff --git a/extensions/showkeybindings/key-bindings.coffee b/extensions/showkeybindings/key-bindings.coffee
new file mode 100644
index 000000000..ab8877ed5
--- /dev/null
+++ b/extensions/showkeybindings/key-bindings.coffee
@@ -0,0 +1,2 @@
+showkeybindings:
+  'cmd-shift-k': (showkeybindings) => showkeybindings.toggle()
diff --git a/extensions/showkeybindings/showkeybindings.coffee b/extensions/showkeybindings/showkeybindings.coffee
new file mode 100644
index 000000000..33a3fbdb3
--- /dev/null
+++ b/extensions/showkeybindings/showkeybindings.coffee
@@ -0,0 +1,27 @@
+_ = require 'underscore'
+$ = require 'jquery'
+fs = require 'fs'
+
+Extension = require 'extension'
+Modal = require 'modal'
+
+module.exports =
+class Showkeybindings extends Extension
+  constructor: ->
+    atom.keybinder.load require.resolve "showkeybindings/key-bindings.coffee"
+    atom.on 'project:open', @startup
+
+  startup: (@project) =>
+    html = '<h1>Keybindings</h1>'
+    for name, bindings of atom.keybinder.keymaps
+      html += "<h3>#{name}</h3>"
+      html += "<ul>"
+      for binding, method of bindings
+        html += """
+        <li>#{atom.keybinder.bindingFromAscii(binding)} - #{method}</li>
+        """
+      html += "</ul>"
+    @pane = new Modal html
+
+  toggle: ->
+    @pane?.toggle()