diff --git a/src/components/Hero.tsx b/src/components/Hero.tsx
index 09f6843..47a4066 100644
--- a/src/components/Hero.tsx
+++ b/src/components/Hero.tsx
@@ -167,16 +167,16 @@ export default function Hero() {
                 fontSize={20}
                 onClick={(e) => {
                   e.stopPropagation();
-                  toggleBookmarked(option);
+                  toggleBookmarked(option.path);
                   setBookmarkedToolPaths(getBookmarkedToolPaths());
                 }}
                 color={
-                  isBookmarked(option)
+                  isBookmarked(option.path)
                     ? theme.palette.primary.main
                     : theme.palette.grey[500]
                 }
                 icon={
-                  isBookmarked(option)
+                  isBookmarked(option.path)
                     ? 'mdi:bookmark'
                     : 'mdi:bookmark-plus-outline'
                 }
diff --git a/src/components/ToolHeader.tsx b/src/components/ToolHeader.tsx
index 8d88f13..29e0bf0 100644
--- a/src/components/ToolHeader.tsx
+++ b/src/components/ToolHeader.tsx
@@ -1,4 +1,4 @@
-import { Box, Button, styled, useTheme } from '@mui/material';
+import { Box, Button, Stack, styled, useTheme } from '@mui/material';
 import Typography from '@mui/material/Typography';
 import ToolBreadcrumb from './ToolBreadcrumb';
 import { capitalizeFirstLetter } from '../utils/string';
@@ -7,6 +7,7 @@ import { Icon, IconifyIcon } from '@iconify/react';
 import { categoriesColors } from '../config/uiConfig';
 import { getToolsByCategory } from '@tools/index';
 import { useEffect, useState } from 'react';
+import { isBookmarked, toggleBookmarked } from '@utils/bookmark';
 
 const StyledButton = styled(Button)(({ theme }) => ({
   backgroundColor: 'white',
@@ -21,6 +22,7 @@ interface ToolHeaderProps {
   description: string;
   icon?: IconifyIcon | string;
   type: string;
+  path: string;
 }
 
 function ToolLinks() {
@@ -80,8 +82,11 @@ export default function ToolHeader({
   icon,
   title,
   description,
-  type
+  type,
+  path
 }: ToolHeaderProps) {
+  const theme = useTheme();
+  const [bookmarked, setBookmarked] = useState<boolean>(isBookmarked(path));
   return (
     <Box my={4}>
       <ToolBreadcrumb
@@ -98,9 +103,24 @@ export default function ToolHeader({
       />
       <Grid mt={1} container spacing={2}>
         <Grid item xs={12} md={8}>
-          <Typography mb={2} fontSize={30} color={'primary'}>
-            {title}
-          </Typography>
+          <Stack direction={'row'} spacing={2} alignItems={'center'}>
+            <Typography mb={2} fontSize={30} color={'primary'}>
+              {title}
+            </Typography>
+            <Icon
+              fontSize={30}
+              color={
+                bookmarked
+                  ? theme.palette.primary.main
+                  : theme.palette.grey[500]
+              }
+              onClick={(e) => {
+                toggleBookmarked(path);
+                setBookmarked(!bookmarked);
+              }}
+              icon={bookmarked ? 'mdi:bookmark' : 'mdi:bookmark-plus-outline'}
+            />
+          </Stack>
           <Typography fontSize={20}>{description}</Typography>
           <ToolLinks />
         </Grid>
diff --git a/src/components/ToolLayout.tsx b/src/components/ToolLayout.tsx
index 3da0837..6d843f6 100644
--- a/src/components/ToolLayout.tsx
+++ b/src/components/ToolLayout.tsx
@@ -13,12 +13,14 @@ export default function ToolLayout({
   title,
   description,
   icon,
-  type
+  type,
+  path
 }: {
   title: string;
   description: string;
   icon?: IconifyIcon | string;
   type: string;
+  path: string;
   children: ReactNode;
 }) {
   const otherCategoryTools =
@@ -49,6 +51,7 @@ export default function ToolLayout({
           description={description}
           icon={icon}
           type={type}
+          path={path}
         />
         {children}
         <Separator backgroundColor="#5581b5" margin="50px" />
diff --git a/src/tools/defineTool.tsx b/src/tools/defineTool.tsx
index ecb056c..1d0a605 100644
--- a/src/tools/defineTool.tsx
+++ b/src/tools/defineTool.tsx
@@ -74,6 +74,7 @@ export const defineTool = (
           description={description}
           icon={icon}
           type={basePath}
+          path={`${basePath}/${path}`}
         >
           <Component title={name} longDescription={longDescription} />
         </ToolLayout>
diff --git a/src/utils/bookmark.ts b/src/utils/bookmark.ts
index 9877973..a63166c 100644
--- a/src/utils/bookmark.ts
+++ b/src/utils/bookmark.ts
@@ -11,30 +11,30 @@ export function getBookmarkedToolPaths(): string[] {
   );
 }
 
-export function isBookmarked(tool: DefinedTool): boolean {
-  return getBookmarkedToolPaths().some((path) => path === tool.path);
+export function isBookmarked(toolPath: string): boolean {
+  return getBookmarkedToolPaths().some((path) => path === toolPath);
 }
 
-export function toggleBookmarked(tool: DefinedTool) {
-  if (isBookmarked(tool)) {
-    unbookmark(tool);
+export function toggleBookmarked(toolPath: string) {
+  if (isBookmarked(toolPath)) {
+    unbookmark(toolPath);
   } else {
-    bookmark(tool);
+    bookmark(toolPath);
   }
 }
 
-function bookmark(tool: DefinedTool) {
+function bookmark(toolPath: string) {
   localStorage.setItem(
     bookmarkedToolsKey,
-    [tool.path, ...getBookmarkedToolPaths()].join(',')
+    [toolPath, ...getBookmarkedToolPaths()].join(',')
   );
 }
 
-function unbookmark(tool: DefinedTool) {
+function unbookmark(toolPath: string) {
   localStorage.setItem(
     bookmarkedToolsKey,
     getBookmarkedToolPaths()
-      .filter((path) => path !== tool.path)
+      .filter((path) => path !== toolPath)
       .join(',')
   );
 }