diff --git a/apps/readest-app/src/app/reader/components/HeaderBar.tsx b/apps/readest-app/src/app/reader/components/HeaderBar.tsx
index c5e2659d..1f9bc229 100644
--- a/apps/readest-app/src/app/reader/components/HeaderBar.tsx
+++ b/apps/readest-app/src/app/reader/components/HeaderBar.tsx
@@ -1,8 +1,11 @@
-import React, { useRef } from 'react';
+import React, { useRef, useState } from 'react';
 import clsx from 'clsx';
 import { VscLayoutSidebarLeft, VscLayoutSidebarLeftOff } from 'react-icons/vsc';
+import { PiDotsThreeVerticalBold } from 'react-icons/pi';
 
 import WindowButtons from '@/components/WindowButtons';
+import Dropdown from '@/components/Dropdown';
+import ViewMenu from './ViewMenu';
 
 interface HeaderBarProps {
   bookKey: string;
@@ -30,6 +33,8 @@ const HeaderBar: React.FC<HeaderBarProps> = ({
   onCloseBook,
 }) => {
   const headerRef = useRef<HTMLDivElement>(null);
+  const [isDropdownOpen, setIsDropdownOpen] = useState(false);
+
   const toggleSideBar = () => {
     if (!isSideBarVisible) {
       setSideBarVisibility(true);
@@ -46,7 +51,8 @@ const HeaderBar: React.FC<HeaderBarProps> = ({
         `header-bar absolute top-0 z-10 flex h-11 w-full items-center px-4`,
         `shadow-xs bg-base-100 rounded-window transition-opacity duration-300`,
         isHoveredAnim && 'hover-bar-anim',
-        hoveredBookKey === bookKey ? `opacity-100` : `opacity-0`,
+        hoveredBookKey === bookKey || isDropdownOpen ? `opacity-100` : `opacity-0`,
+        isDropdownOpen && 'header-bar-pinned',
       )}
       onMouseEnter={() => setHoveredBookKey(bookKey)}
       onMouseLeave={() => setHoveredBookKey('')}
@@ -66,6 +72,15 @@ const HeaderBar: React.FC<HeaderBarProps> = ({
       </div>
 
       <div className='ml-auto flex h-full items-center space-x-2'>
+        <Dropdown
+          className='dropdown-bottom dropdown-end'
+          buttonClassName='btn btn-ghost h-8 min-h-8 w-8 p-0'
+          toggleButton={<PiDotsThreeVerticalBold size={16} />}
+          onToggle={setIsDropdownOpen}
+        >
+          <ViewMenu />
+        </Dropdown>
+
         <WindowButtons
           className='window-buttons flex h-full items-center'
           headerRef={headerRef}
diff --git a/apps/readest-app/src/app/reader/components/ViewMenu.tsx b/apps/readest-app/src/app/reader/components/ViewMenu.tsx
new file mode 100644
index 00000000..2860fb07
--- /dev/null
+++ b/apps/readest-app/src/app/reader/components/ViewMenu.tsx
@@ -0,0 +1,98 @@
+import React from 'react';
+import { useState } from 'react';
+import { BiMoon, BiSun } from 'react-icons/bi';
+import { MdZoomOut, MdZoomIn, MdCheck } from 'react-icons/md';
+
+interface ViewMenuProps {
+  toggleDropdown?: () => void;
+}
+
+const ViewMenu: React.FC<ViewMenuProps> = ({}) => {
+  const [isDarkMode, setDarkMode] = useState(false);
+  const [isScrolledMode, setScrolledMode] = useState(false);
+  const [isInvertedColors, setInvertedColors] = useState(false);
+  const [zoomLevel, setZoomLevel] = useState(100);
+
+  const toggleDarkMode = () => setDarkMode(!isDarkMode);
+  const toggleScrolledMode = () => setScrolledMode(!isScrolledMode);
+  const toggleInvertedColors = () => setInvertedColors(!isInvertedColors);
+  const zoomIn = () => setZoomLevel((prev) => Math.min(prev + 10, 200));
+  const zoomOut = () => setZoomLevel((prev) => Math.max(prev - 10, 50));
+  const resetZoom = () => setZoomLevel(100);
+
+  const openFontLayoutMenu = () => {
+    // open font layout menu
+  };
+
+  return (
+    <div
+      tabIndex={0}
+      className='view-menu dropdown-content dropdown-right no-triangle z-20 mt-1 w-72 border bg-white shadow-2xl'
+    >
+      <div className='flex items-center justify-between rounded-md'>
+        <button onClick={zoomOut} className='rounded-full p-2 hover:bg-gray-100'>
+          <MdZoomOut size={20} />
+        </button>
+        <span
+          className='btn btn-ghost h-8 min-h-8 w-[50%] rounded-md p-1 text-center hover:bg-gray-100'
+          onClick={resetZoom}
+        >
+          {zoomLevel}%
+        </span>
+        <button onClick={zoomIn} className='rounded-full p-2 hover:bg-gray-100'>
+          <MdZoomIn size={20} />
+        </button>
+      </div>
+      <hr className='my-1' />
+      <button
+        className='flex w-full items-center rounded-md p-2 hover:bg-gray-100'
+        onClick={toggleDarkMode}
+      >
+        <div className='flex items-center'>
+          <span style={{ minWidth: '20px' }}>
+            {isDarkMode ? <BiMoon size={20} /> : <BiSun size={20} />}
+          </span>
+        </div>
+        <span className='ml-2'>{isDarkMode ? 'Dark Mode' : 'Light Mode'}</span>
+      </button>
+      <hr className='my-1' />
+
+      <button
+        className='flex w-full items-center justify-between rounded-md p-2 hover:bg-gray-100'
+        onClick={openFontLayoutMenu}
+      >
+        <div className='flex items-center'>
+          <span style={{ minWidth: '20px' }}></span>
+          <span className='ml-2'>Font & Layout</span>
+        </div>
+        <span className='text-sm text-gray-400'>Shift+F</span>
+      </button>
+      <hr className='my-1' />
+      <button
+        className='flex w-full items-center justify-between rounded-md p-2 hover:bg-gray-100'
+        onClick={toggleScrolledMode}
+      >
+        <div className='flex items-center'>
+          <span style={{ minWidth: '20px' }}>
+            {isScrolledMode && <MdCheck size={20} className='text-base-content' />}
+          </span>
+          <span className='ml-2'>Scrolled Mode</span>
+        </div>
+        <span className='text-sm text-gray-400'>Shift+J</span>
+      </button>
+      <button
+        className='flex w-full items-center justify-between rounded-md p-2 hover:bg-gray-100'
+        onClick={toggleInvertedColors}
+      >
+        <div className='flex items-center'>
+          <span style={{ minWidth: '20px' }}>
+            {isInvertedColors && <MdCheck size={20} className='text-base-content' />}
+          </span>
+          <span className='ml-2'>Invert Colors in Dark Mode</span>
+        </div>
+      </button>
+    </div>
+  );
+};
+
+export default ViewMenu;