diff --git a/src/js/hotkey_storage.js b/src/js/hotkey_storage.js
new file mode 100644
index 0000000..9cea0aa
--- /dev/null
+++ b/src/js/hotkey_storage.js
@@ -0,0 +1,54 @@
+var HotKey = (function() {
+  return {
+    setup: function() {
+      // Default enable hot key for capture.
+      if (!localStorage.getItem('hot_key_enabled'))
+        localStorage.setItem('hot_key_enabled', true);
+
+      // Set default hot key of capture, R V H P.
+      if (!this.get('area'))
+        this.set('area', 'R');
+      if (!this.get('viewport'))
+        this.set('viewport', 'V');
+      if (!this.get('fullpage'))
+        this.set('fullpage', 'H');
+      if (!this.get('screen'))
+        this.set('screen', 'P');
+
+      var screenCaptureHotKey = this.get('screen');
+      if (this.isEnabled()) {
+        this.set('screen', '@'); // Disable hot key for screen capture.
+      }
+    },
+
+    /**
+     * Set hot key by type.
+     * @param {String} type Hot key type, must be area/viewport/fullpage/screen.
+     * @param {String} value
+     */
+    set: function(type, value) {
+      var key = type + '_capture_hot_key';
+      localStorage.setItem(key, value);
+    },
+
+    get: function(type) {
+      return localStorage.getItem(type + '_capture_hot_key');
+    },
+
+    getCharCode: function(type) {
+      return this.get(type).charCodeAt(0);
+    },
+
+    enable: function() {
+      localStorage.setItem('hot_key_enabled', true);
+    },
+
+    disable: function(bg) {
+      localStorage.setItem('hot_key_enabled', false);
+    },
+
+    isEnabled: function() {
+      return localStorage.getItem('hot_key_enabled') == 'true';
+    }
+  }
+})();