diff --git a/src/app.rs b/src/app.rs
index 53460cc..17c059d 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -447,6 +447,13 @@ impl App {
                         }
                     }
 
+                    if input.consume_shortcut(&KeyboardShortcut {
+                        modifiers: Modifiers::CTRL,
+                        logical_key: I,
+                    }) {
+                        self.zen_mode = !self.zen_mode;
+                    }
+
                     if input.consume_shortcut(&KeyboardShortcut {
                         modifiers: Modifiers::CTRL,
                         logical_key: H,
diff --git a/src/app/help.rs b/src/app/help.rs
index cb059d5..bfb0057 100644
--- a/src/app/help.rs
+++ b/src/app/help.rs
@@ -43,6 +43,7 @@ impl App {
                                 ("100% - 900% Zoom", "Ctrl + 1 - 9"),
                                 ("Previous image", "A or L or Left Arrow"),
                                 ("Next image", "D or H or Right Arrow"),
+                                ("Toggle zen mode", "Ctrl + I"),
                             ];
 
                             ui.label(RichText::new("Action").strong());