diff --git a/src/app/page.tsx b/src/app/page.tsx
index 6896975..65d42a3 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -71,6 +71,9 @@ export default function Home() {
             // Skip if already in input
             if (e.target instanceof HTMLInputElement || e.target instanceof HTMLTextAreaElement) return;
 
+            // Skip if modifier keys are pressed (prevents conflicts with browser shortcuts)
+            if (e.ctrlKey || e.altKey || e.metaKey) return;
+
             if (e.key === '/') {
                 e.preventDefault();
                 searchInputRef.current?.focus();
diff --git a/src/components/command/AurPanel.tsx b/src/components/command/AurPanel.tsx
index b15c63f..0b0f94a 100644
--- a/src/components/command/AurPanel.tsx
+++ b/src/components/command/AurPanel.tsx
@@ -38,6 +38,9 @@ export function AurPanel({
     useEffect(() => {
         const handleKeyDown = (e: KeyboardEvent) => {
             if (e.target instanceof HTMLInputElement) return;
+
+            // Skip if modifier keys are pressed (prevents conflicts with browser shortcuts)
+            if (e.ctrlKey || e.altKey || e.metaKey) return;
             if (e.key === '1') setSelectedHelper('yay');
             if (e.key === '2') setSelectedHelper('paru');
         };
diff --git a/src/components/command/CommandFooter.tsx b/src/components/command/CommandFooter.tsx
index d6c4a9d..fa00182 100644
--- a/src/components/command/CommandFooter.tsx
+++ b/src/components/command/CommandFooter.tsx
@@ -95,6 +95,9 @@ export function CommandFooter({
                 return;
             }
 
+            // Ignore if modifier keys are pressed (prevents conflicts with browser shortcuts like Ctrl+D)
+            if (e.ctrlKey || e.altKey || e.metaKey) return;
+
             // These shortcuts always work
             const alwaysEnabled = ['t', 'c'];
             if (selectedCount === 0 && !alwaysEnabled.includes(e.key)) return;
diff --git a/src/components/header/HowItWorks.tsx b/src/components/header/HowItWorks.tsx
index 497eaa2..ac86f63 100644
--- a/src/components/header/HowItWorks.tsx
+++ b/src/components/header/HowItWorks.tsx
@@ -43,6 +43,9 @@ export function HowItWorks() {
             // Ignore if typing in input
             if (e.target instanceof HTMLInputElement || e.target instanceof HTMLTextAreaElement) return;
 
+            // Skip if Ctrl/Alt/Meta are pressed (Shift is allowed for ?)
+            if (e.ctrlKey || e.altKey || e.metaKey) return;
+
             if (e.key === '?' || (e.shiftKey && e.key === '/')) {
                 e.preventDefault();
                 if (isOpen) {
diff --git a/src/hooks/useKeyboardNavigation.ts b/src/hooks/useKeyboardNavigation.ts
index 6832e6a..00e8086 100644
--- a/src/hooks/useKeyboardNavigation.ts
+++ b/src/hooks/useKeyboardNavigation.ts
@@ -77,6 +77,9 @@ export function useKeyboardNavigation(
             // Skip if typing in input
             if (e.target instanceof HTMLInputElement || e.target instanceof HTMLTextAreaElement) return;
 
+            // Skip if modifier keys are pressed (prevents conflicts with browser shortcuts like Ctrl+D)
+            if (e.ctrlKey || e.altKey || e.metaKey) return;
+
             const key = e.key;
 
             // Space to toggle