diff --git a/browser/main/Detail/FullscreenButton.js b/browser/main/Detail/FullscreenButton.js
index 3d29c264..ee212603 100644
--- a/browser/main/Detail/FullscreenButton.js
+++ b/browser/main/Detail/FullscreenButton.js
@@ -4,12 +4,14 @@ import CSSModules from 'browser/lib/CSSModules'
 import styles from './FullscreenButton.styl'
 import i18n from 'browser/lib/i18n'
 
+const OSX = global.process.platform === 'darwin'
+const hotkey = (OSX ? i18n.__('Command(⌘)') : i18n.__('Ctrl(^)')) + '+B'
 const FullscreenButton = ({
  onClick
 }) => (
   <button styleName='control-fullScreenButton' title={i18n.__('Fullscreen')} onMouseDown={(e) => onClick(e)}>
     <img styleName='iconInfo' src='../resources/icon/icon-full.svg' />
-    <span styleName='tooltip'>{i18n.__('Fullscreen')}</span>
+    <span styleName='tooltip'>{i18n.__('Fullscreen')}({hotkey})</span>
   </button>
 )
 
diff --git a/lib/main-menu.js b/lib/main-menu.js
index 00750716..1d816ef3 100644
--- a/lib/main-menu.js
+++ b/lib/main-menu.js
@@ -276,6 +276,19 @@ const view = {
         mainWindow.setFullScreen(!mainWindow.isFullScreen())
       }
     },
+    {
+      type: 'separator'
+    },
+    {
+      label: 'Toggle Side Bar',
+      accelerator: 'CommandOrControl+B',
+      click () {
+        mainWindow.webContents.send('editor:fullscreen')
+      }
+    },
+    {
+      type: 'separator'
+    },
     {
       role: 'zoomin',
       accelerator: macOS ? 'CommandOrControl+Plus' : 'Control+='