diff --git a/web/helpers/atoms/Thread.atom.ts b/web/helpers/atoms/Thread.atom.ts
index 6704f8e57..474dadeba 100644
--- a/web/helpers/atoms/Thread.atom.ts
+++ b/web/helpers/atoms/Thread.atom.ts
@@ -11,6 +11,7 @@ import { ModelParams } from '@/types/model'
 export enum ThreadModalAction {
   Clean = 'clean',
   Delete = 'delete',
+  DeleteAll = 'deleteAll',
   EditTitle = 'edit-title',
 }
 
@@ -272,7 +273,7 @@ export const activeSettingInputBoxAtom = atomWithStorage<boolean>(
 )
 
 /**
- * Whether thread thread is presenting a Modal or not
+ * Whether thread is presenting a Modal or not
  */
 export const modalActionThreadAtom = atom<{
   showModal: ThreadModalAction | undefined
diff --git a/web/hooks/useDeleteThread.test.ts b/web/hooks/useDeleteThread.test.ts
index 4a1b4e5a2..8d616cb42 100644
--- a/web/hooks/useDeleteThread.test.ts
+++ b/web/hooks/useDeleteThread.test.ts
@@ -7,6 +7,10 @@ import { useAtom, useAtomValue, useSetAtom } from 'jotai'
 import useDeleteThread from './useDeleteThread'
 import { extensionManager } from '@/extension/ExtensionManager'
 import { useCreateNewThread } from './useCreateNewThread'
+import { Thread } from '@janhq/core/dist/types/types'
+import { currentPromptAtom } from '@/containers/Providers/Jotai'
+import { setActiveThreadIdAtom, deleteThreadStateAtom } from '@/helpers/atoms/Thread.atom'
+import { deleteChatMessageAtom as deleteChatMessagesAtom } from '@/helpers/atoms/ChatMessage.atom'
 // Mock the necessary dependencies
 // Mock dependencies
 jest.mock('jotai', () => ({
@@ -117,4 +121,44 @@ describe('useDeleteThread', () => {
 
     consoleErrorSpy.mockRestore()
   })
+
+  it('should delete all threads successfully', async () => {
+    const mockThreads = [
+      { id: 'thread1', title: 'Thread 1' },
+      { id: 'thread2', title: 'Thread 2' },
+    ]
+    const mockSetThreads = jest.fn()
+    ;(useAtom as jest.Mock).mockReturnValue([mockThreads, mockSetThreads])
+    
+    // create mock functions
+    const mockSetCurrentPrompt = jest.fn()
+
+    // mock useSetAtom for each atom
+    let currentAtom: any
+    ;(useSetAtom as jest.Mock).mockImplementation((atom) => {
+      currentAtom = atom
+      if (currentAtom === currentPromptAtom) return mockSetCurrentPrompt
+      return jest.fn()
+    })
+
+    const mockDeleteThread = jest.fn().mockImplementation(() => ({
+      catch: () => jest.fn,
+    }))
+
+    extensionManager.get = jest.fn().mockReturnValue({
+      deleteThread: mockDeleteThread,
+    })
+
+    const { result } = renderHook(() => useDeleteThread())
+
+    await act(async () => {
+      await result.current.deleteAllThreads(mockThreads as Thread[])
+    })
+
+    expect(mockDeleteThread).toHaveBeenCalledTimes(2)
+    expect(mockDeleteThread).toHaveBeenCalledWith('thread1')
+    expect(mockDeleteThread).toHaveBeenCalledWith('thread2')
+    expect(mockSetThreads).toHaveBeenCalledWith([])
+    expect(mockSetCurrentPrompt).toHaveBeenCalledWith('')
+  })
 })
diff --git a/web/hooks/useDeleteThread.ts b/web/hooks/useDeleteThread.ts
index 29b509631..59aa3a83b 100644
--- a/web/hooks/useDeleteThread.ts
+++ b/web/hooks/useDeleteThread.ts
@@ -1,6 +1,6 @@
 import { useCallback } from 'react'
 
-import { ExtensionTypeEnum, ConversationalExtension } from '@janhq/core'
+import { ExtensionTypeEnum, ConversationalExtension, Thread } from '@janhq/core'
 
 import { useAtom, useSetAtom } from 'jotai'
 
@@ -96,8 +96,29 @@ export default function useDeleteThread() {
     }
   }
 
+  const deleteAllThreads = async (threads: Thread[]) => {
+    for (const thread of threads) {
+      await extensionManager
+        .get<ConversationalExtension>(ExtensionTypeEnum.Conversational)
+        ?.deleteThread(thread.id as string)
+        .catch(console.error)
+      deleteThreadState(thread.id as string)
+      deleteMessages(thread.id as string)
+    }
+
+    setThreads([])
+    setCurrentPrompt('')
+    setActiveThreadId(undefined)
+    toaster({
+      title: 'All threads successfully deleted.',
+      description: `All thread data has been successfully deleted.`,
+      type: 'success',
+    })
+  }
+
   return {
     cleanThread,
     deleteThread,
+    deleteAllThreads,
   }
 }
diff --git a/web/screens/Settings/Advanced/index.test.tsx b/web/screens/Settings/Advanced/index.test.tsx
index 6141fb44c..7a0f3ade5 100644
--- a/web/screens/Settings/Advanced/index.test.tsx
+++ b/web/screens/Settings/Advanced/index.test.tsx
@@ -140,4 +140,13 @@ describe('Advanced', () => {
       expect(screen.getByTestId(/reset-button/i)).toBeInTheDocument()
     })
   })
+
+  it('renders DeleteAllThreads component', async () => {
+    render(<Advanced />)
+    await waitFor(() => {
+      const elements = screen.getAllByText('Delete All Threads')
+      expect(elements.length).toBeGreaterThan(0)
+      expect(screen.getByTestId('delete-all-threads-button')).toBeInTheDocument()
+    })
+  })
 })
diff --git a/web/screens/Settings/Advanced/index.tsx b/web/screens/Settings/Advanced/index.tsx
index 3dbb56a86..a8c6fb02d 100644
--- a/web/screens/Settings/Advanced/index.tsx
+++ b/web/screens/Settings/Advanced/index.tsx
@@ -11,9 +11,10 @@ import {
   Tooltip,
   Checkbox,
   useClickOutside,
+  Button,
 } from '@janhq/joi'
 
-import { useAtom, useAtomValue } from 'jotai'
+import { useAtom, useAtomValue, useSetAtom } from 'jotai'
 import { ChevronDownIcon } from 'lucide-react'
 import { AlertTriangleIcon, AlertCircleIcon } from 'lucide-react'
 
@@ -27,6 +28,8 @@ import { useActiveModel } from '@/hooks/useActiveModel'
 import { useConfigurations } from '@/hooks/useConfigurations'
 import { useSettings } from '@/hooks/useSettings'
 
+import ModalDeleteAllThreads from '@/screens/Thread/ThreadLeftPanel/ModalDeleteAllThreads'
+
 import DataFolder from './DataFolder'
 import FactoryReset from './FactoryReset'
 
@@ -39,6 +42,10 @@ import {
   quickAskEnabledAtom,
 } from '@/helpers/atoms/AppConfig.atom'
 
+import { ThreadModalAction } from '@/helpers/atoms/Thread.atom'
+
+import { modalActionThreadAtom } from '@/helpers/atoms/Thread.atom'
+
 type GPU = {
   id: string
   vram: number | null
@@ -74,6 +81,7 @@ const Advanced = () => {
   const { readSettings, saveSettings } = useSettings()
   const { stopModel } = useActiveModel()
   const [open, setOpen] = useState(false)
+  const setModalActionThread = useSetAtom(modalActionThreadAtom)
 
   const selectedGpu = gpuList
     .filter((x) => gpusInUse.includes(x.id))
@@ -523,6 +531,31 @@ const Advanced = () => {
           </div>
         )}
 
+        {/* Delete All Threads */}
+        <div className="flex w-full flex-col items-start justify-between gap-4 border-b border-[hsla(var(--app-border))] py-4 first:pt-0 last:border-none sm:flex-row">
+          <div className="space-y-1">
+            <div className="flex gap-x-2">
+              <h6 className="font-semibold capitalize">Delete All Threads</h6>
+            </div>
+            <p className="whitespace-pre-wrap font-medium leading-relaxed text-[hsla(var(--text-secondary))]">
+              Delete all threads and associated chat history.
+            </p>
+          </div>
+          <Button
+            data-testid="delete-all-threads-button"
+            theme="destructive"
+            onClick={() => {
+              setModalActionThread({
+                showModal: ThreadModalAction.DeleteAll,
+                thread: undefined,
+              })
+            }}
+          >
+            Delete All Threads
+          </Button>
+        </div>
+        <ModalDeleteAllThreads />
+
         {/* Factory Reset */}
         <FactoryReset />
       </div>
diff --git a/web/screens/Thread/ThreadLeftPanel/ModalDeleteAllThreads/index.tsx b/web/screens/Thread/ThreadLeftPanel/ModalDeleteAllThreads/index.tsx
new file mode 100644
index 000000000..c06dfc43a
--- /dev/null
+++ b/web/screens/Thread/ThreadLeftPanel/ModalDeleteAllThreads/index.tsx
@@ -0,0 +1,73 @@
+import { useCallback, memo } from 'react'
+
+import { Modal, ModalClose, Button } from '@janhq/joi'
+
+import { useAtom, useAtomValue } from 'jotai'
+
+import useDeleteThread from '@/hooks/useDeleteThread'
+
+import { janDataFolderPathAtom } from '@/helpers/atoms/AppConfig.atom'
+
+import {
+  modalActionThreadAtom,
+  ThreadModalAction,
+  threadsAtom,
+} from '@/helpers/atoms/Thread.atom'
+
+const ModalDeleteAllThreads = () => {
+  const { deleteAllThreads } = useDeleteThread()
+  const [modalActionThread, setModalActionThread] = useAtom(
+    modalActionThreadAtom
+  )
+  const [threads] = useAtom(threadsAtom)
+  const janDataFolderPath = useAtomValue(janDataFolderPathAtom)
+
+  const onDeleteAllThreads = useCallback(
+    (e: React.MouseEvent<HTMLButtonElement, MouseEvent>) => {
+      e.stopPropagation()
+      deleteAllThreads(threads)
+    },
+    [deleteAllThreads, threads]
+  )
+
+  const onCloseModal = useCallback(() => {
+    setModalActionThread({
+      showModal: undefined,
+      thread: undefined,
+    })
+  }, [setModalActionThread])
+
+  return (
+    <Modal
+      title="Delete All Threads"
+      onOpenChange={onCloseModal}
+      open={modalActionThread.showModal === ThreadModalAction.DeleteAll}
+      content={
+        <div>
+          <p className="text-[hsla(var(--text-secondary))]">
+            Are you sure you want to delete all chat history? This will remove{' '}
+            all {threads.length} conversation threads in{' '}
+            <span className="font-mono">{janDataFolderPath}\threads</span> and
+            cannot be undone.
+          </p>
+          <div className="mt-4 flex justify-end gap-x-2">
+            <ModalClose asChild onClick={(e) => e.stopPropagation()}>
+              <Button theme="ghost">Cancel</Button>
+            </ModalClose>
+            <ModalClose asChild>
+              <Button
+                autoFocus
+                theme="destructive"
+                onClick={onDeleteAllThreads}
+              >
+                Delete
+              </Button>
+            </ModalClose>
+          </div>
+        </div>
+      }
+    />
+  )
+}
+
+export default memo(ModalDeleteAllThreads)