diff --git a/macos/Sources/AppDelegate.swift b/macos/Sources/AppDelegate.swift
index 8cd035991..4ff6dcb51 100644
--- a/macos/Sources/AppDelegate.swift
+++ b/macos/Sources/AppDelegate.swift
@@ -27,6 +27,7 @@ class AppDelegate: NSObject, ObservableObject, NSApplicationDelegate, GhosttyApp
     @IBOutlet private var menuCopy: NSMenuItem?
     @IBOutlet private var menuPaste: NSMenuItem?
 
+    @IBOutlet private var menuZoomSplit: NSMenuItem?
     @IBOutlet private var menuPreviousSplit: NSMenuItem?
     @IBOutlet private var menuNextSplit: NSMenuItem?
     @IBOutlet private var menuSelectSplitAbove: NSMenuItem?
@@ -138,6 +139,7 @@ class AppDelegate: NSObject, ObservableObject, NSApplicationDelegate, GhosttyApp
         syncMenuShortcut(action: "copy_to_clipboard", menuItem: self.menuCopy)
         syncMenuShortcut(action: "paste_from_clipboard", menuItem: self.menuPaste)
         
+        syncMenuShortcut(action: "toggle_split_zoom", menuItem: self.menuZoomSplit)
         syncMenuShortcut(action: "goto_split:previous", menuItem: self.menuPreviousSplit)
         syncMenuShortcut(action: "goto_split:next", menuItem: self.menuNextSplit)
         syncMenuShortcut(action: "goto_split:top", menuItem: self.menuSelectSplitAbove)
@@ -234,6 +236,11 @@ class AppDelegate: NSObject, ObservableObject, NSApplicationDelegate, GhosttyApp
         ghostty.split(surface: surface, direction: GHOSTTY_SPLIT_DOWN)
     }
     
+    @IBAction func splitZoom(_ sender: Any) {
+        guard let surface = focusedSurface() else { return }
+        ghostty.splitToggleZoom(surface: surface)
+    }
+    
     @IBAction func splitMoveFocusPrevious(_ sender: Any) {
         splitMoveFocus(direction: .previous)
     }
diff --git a/macos/Sources/Ghostty/AppState.swift b/macos/Sources/Ghostty/AppState.swift
index 2eccd3c2a..4b7b85d82 100644
--- a/macos/Sources/Ghostty/AppState.swift
+++ b/macos/Sources/Ghostty/AppState.swift
@@ -170,6 +170,13 @@ extension Ghostty {
             ghostty_surface_split_focus(surface, direction.toNative())
         }
         
+        func splitToggleZoom(surface: ghostty_surface_t) {
+            let action = "toggle_split_zoom"
+            if (!ghostty_surface_binding_action(surface, action, UInt(action.count))) {
+                AppDelegate.logger.warning("action failed action=\(action)")
+            }
+        }
+        
         // Called when the selected keyboard changes. We have to notify Ghostty so that
         // it can reload the keyboard mapping for input.
         @objc private func keyboardSelectionDidChange(notification: NSNotification) {
diff --git a/macos/Sources/MainMenu.xib b/macos/Sources/MainMenu.xib
index 1de314192..a65d314f2 100644
--- a/macos/Sources/MainMenu.xib
+++ b/macos/Sources/MainMenu.xib
@@ -29,6 +29,7 @@
                 <outlet property="menuSelectSplitRight" destination="upj-mc-L7X" id="nLY-o1-lky"/>
                 <outlet property="menuSplitHorizontal" destination="VUR-Ld-nLx" id="RxO-Zw-ovb"/>
                 <outlet property="menuSplitVertical" destination="UDZ-4y-6xL" id="fgZ-Wb-8OR"/>
+                <outlet property="menuZoomSplit" destination="oPd-mn-IEH" id="wTu-jK-egI"/>
             </connections>
         </customObject>
         <customObject id="YLy-65-1bz" customClass="NSFontManager"/>
@@ -162,6 +163,12 @@
                                 </connections>
                             </menuItem>
                             <menuItem isSeparatorItem="YES" id="rlu-tP-x0P"/>
+                            <menuItem title="Zoom Split" id="oPd-mn-IEH">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="splitZoom:" target="bbz-4X-AYv" id="h3L-kI-kTJ"/>
+                                </connections>
+                            </menuItem>
                             <menuItem title="Select Previous Split" id="Lic-px-1wg">
                                 <modifierMask key="keyEquivalentModifierMask"/>
                                 <connections>