diff --git a/README.md b/README.md
index 2d34a06..e8a9835 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,7 @@ The default mappings are as follows:
 - <kbd>r</kbd>: reload current tab
 - <kbd>R</kbd>: reload current tab without cache
 - <kbd>zp</kbd>: toggle pin/unpin current tab
+- <kbd>zd</kbd>: duplicate current tab
 
 ### Navigation
 - <kbd>f</kbd>: start following links in the page
diff --git a/src/background/actions/operation.js b/src/background/actions/operation.js
index d0caf80..9876940 100644
--- a/src/background/actions/operation.js
+++ b/src/background/actions/operation.js
@@ -35,6 +35,8 @@ const exec = (operation, tab) => {
     return tabs.updateTabPinned(tab, false);
   case operations.TAB_TOGGLE_PINNED:
     return tabs.toggleTabPinned(tab);
+  case operations.TAB_DUPLICATE:
+    return tabs.duplicate(tab.id);
   case operations.ZOOM_IN:
     return zooms.zoomIn();
   case operations.ZOOM_OUT:
diff --git a/src/background/tabs.js b/src/background/tabs.js
index 23b3b7b..d641616 100644
--- a/src/background/tabs.js
+++ b/src/background/tabs.js
@@ -111,8 +111,12 @@ const toggleTabPinned = (current) => {
   updateTabPinned(current, !current.pinned);
 };
 
+const duplicate = (id) => {
+  return browser.tabs.duplicate(id);
+};
+
 export {
   closeTab, reopenTab, selectAt, selectByKeyword, getCompletions,
   selectPrevTab, selectNextTab, selectFirstTab, selectLastTab, reload,
-  updateTabPinned, toggleTabPinned
+  updateTabPinned, toggleTabPinned, duplicate
 };
diff --git a/src/shared/default-settings.js b/src/shared/default-settings.js
index e45bee6..14f48be 100644
--- a/src/shared/default-settings.js
+++ b/src/shared/default-settings.js
@@ -33,6 +33,7 @@ export default {
     "r": { "type": "tabs.reload", "cache": false },
     "R": { "type": "tabs.reload", "cache": true },
     "zp": { "type": "tabs.pin.toggle" },
+    "zd": { "type": "tabs.duplicate" },
     "zi": { "type": "zoom.in" },
     "zo": { "type": "zoom.out" },
     "zz": { "type": "zoom.neutral" },
diff --git a/src/shared/operations.js b/src/shared/operations.js
index 1aa4227..f63f7ca 100644
--- a/src/shared/operations.js
+++ b/src/shared/operations.js
@@ -42,6 +42,7 @@ export default {
   TAB_PIN: 'tabs.pin',
   TAB_UNPIN: 'tabs.unpin',
   TAB_TOGGLE_PINNED: 'tabs.pin.toggle',
+  TAB_DUPLICATE: 'tabs.duplicate',
 
   // Zooms
   ZOOM_IN: 'zoom.in',