diff --git a/web/contract/console/apps.ts b/web/contract/console/apps.ts
index 4fbcfec0cf..00f730977e 100644
--- a/web/contract/console/apps.ts
+++ b/web/contract/console/apps.ts
@@ -1,3 +1,4 @@
+import type { WorkflowTypeConversionTarget } from '@/types/workflow'
 import { type } from '@orpc/contract'
 import { base } from '../base'
 
@@ -12,3 +13,18 @@ export const appDeleteContract = base
     }
   }>())
   .output(type<unknown>())
+
+export const appWorkflowTypeConvertContract = base
+  .route({
+    path: '/apps/{appId}/workflows/convert-type',
+    method: 'POST',
+  })
+  .input(type<{
+    params: {
+      appId: string
+    }
+    query: {
+      target_type: WorkflowTypeConversionTarget
+    }
+  }>())
+  .output(type<unknown>())
diff --git a/web/contract/router.ts b/web/contract/router.ts
index e07f8e5167..c7c2d2ad87 100644
--- a/web/contract/router.ts
+++ b/web/contract/router.ts
@@ -1,5 +1,5 @@
 import type { InferContractRouterInputs } from '@orpc/contract'
-import { appDeleteContract } from './console/apps'
+import { appDeleteContract, appWorkflowTypeConvertContract } from './console/apps'
 import { bindPartnerStackContract, invoicesContract } from './console/billing'
 import {
   availableEvaluationMetricsContract,
@@ -98,6 +98,7 @@ export const consoleRouterContract = {
   systemFeatures: systemFeaturesContract,
   apps: {
     deleteApp: appDeleteContract,
+    convertWorkflowType: appWorkflowTypeConvertContract,
   },
   explore: {
     apps: exploreAppsContract,
diff --git a/web/service/__tests__/use-apps.spec.tsx b/web/service/__tests__/use-apps.spec.tsx
new file mode 100644
index 0000000000..76d7b87943
--- /dev/null
+++ b/web/service/__tests__/use-apps.spec.tsx
@@ -0,0 +1,96 @@
+import type { ReactNode } from 'react'
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
+import { act, renderHook, waitFor } from '@testing-library/react'
+import { useConvertWorkflowTypeMutation } from '../use-apps'
+
+const {
+  invalidateQueries,
+  convertWorkflowTypeMutationFn,
+  convertWorkflowTypeMutationOptions,
+} = vi.hoisted(() => ({
+  invalidateQueries: vi.fn(),
+  convertWorkflowTypeMutationFn: vi.fn(),
+  convertWorkflowTypeMutationOptions: vi.fn(),
+}))
+
+vi.mock('@tanstack/react-query', async (importOriginal) => {
+  const actual = await importOriginal<typeof import('@tanstack/react-query')>()
+
+  return {
+    ...actual,
+    useQueryClient: () => ({
+      invalidateQueries,
+    }),
+  }
+})
+
+vi.mock('@/service/client', () => ({
+  consoleClient: {},
+  consoleQuery: {
+    apps: {
+      convertWorkflowType: {
+        mutationOptions: convertWorkflowTypeMutationOptions,
+      },
+    },
+  },
+}))
+
+const createWrapper = () => {
+  const queryClient = new QueryClient({
+    defaultOptions: {
+      queries: {
+        retry: false,
+      },
+    },
+  })
+
+  return ({ children }: { children: ReactNode }) => (
+    <QueryClientProvider client={queryClient}>{children}</QueryClientProvider>
+  )
+}
+
+// Scenario: workflow type conversion forwards the expected API input and refreshes app caches.
+describe('useConvertWorkflowTypeMutation', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+    convertWorkflowTypeMutationFn.mockResolvedValue({})
+    convertWorkflowTypeMutationOptions.mockImplementation(options => ({
+      mutationFn: convertWorkflowTypeMutationFn,
+      onSuccess: options?.onSuccess,
+    }))
+  })
+
+  it('should convert workflow type and invalidate app queries when mutation succeeds', async () => {
+    // Arrange
+    const { result } = renderHook(() => useConvertWorkflowTypeMutation(), {
+      wrapper: createWrapper(),
+    })
+
+    // Act
+    await act(async () => {
+      result.current.mutate({
+        params: { appId: 'app-1' },
+        query: { target_type: 'evaluation' },
+      })
+    })
+
+    // Assert
+    await waitFor(() => {
+      expect(convertWorkflowTypeMutationFn).toHaveBeenCalledWith({
+        params: { appId: 'app-1' },
+        query: { target_type: 'evaluation' },
+      })
+    })
+    await waitFor(() => {
+      expect(invalidateQueries).toHaveBeenCalledWith({
+        queryKey: ['apps', 'detail', 'app-1'],
+      })
+    })
+    expect(invalidateQueries).toHaveBeenCalledWith({
+      queryKey: ['apps', 'list'],
+    })
+    expect(invalidateQueries).toHaveBeenCalledWith({
+      queryKey: ['apps', 'full-list'],
+    })
+  })
+})
diff --git a/web/service/use-apps.ts b/web/service/use-apps.ts
index f28df7bd4b..b9b920e848 100644
--- a/web/service/use-apps.ts
+++ b/web/service/use-apps.ts
@@ -11,6 +11,7 @@ import type {
   WorkflowDailyConversationsResponse,
 } from '@/models/app'
 import type { App } from '@/types/app'
+import type { WorkflowTypeConversionTarget } from '@/types/workflow'
 import {
   keepPreviousData,
   useInfiniteQuery,
@@ -148,6 +149,30 @@ export const useDeleteAppMutation = () => {
   })
 }
 
+export const useConvertWorkflowTypeMutation = () => {
+  const queryClient = useQueryClient()
+
+  return useMutation({
+    ...consoleQuery.apps.convertWorkflowType.mutationOptions({
+      onSuccess: async (_, variables) => {
+        await Promise.all([
+          queryClient.invalidateQueries({
+            queryKey: [NAME_SPACE, 'detail', variables.params.appId],
+          }),
+          queryClient.invalidateQueries({
+            queryKey: [NAME_SPACE, 'list'],
+          }),
+          queryClient.invalidateQueries({
+            queryKey: useAppFullListKey,
+          }),
+        ])
+      },
+    }),
+  })
+}
+
+export type { WorkflowTypeConversionTarget }
+
 const useAppStatisticsQuery = <T>(metric: string, appId: string, params?: DateRangeParams) => {
   return useQuery<T>({
     queryKey: [NAME_SPACE, 'statistics', metric, appId, params],
diff --git a/web/types/app.ts b/web/types/app.ts
index b782a78730..440328af65 100644
--- a/web/types/app.ts
+++ b/web/types/app.ts
@@ -47,6 +47,14 @@ export enum AppModeEnum {
 }
 export const AppModes = [AppModeEnum.COMPLETION, AppModeEnum.WORKFLOW, AppModeEnum.CHAT, AppModeEnum.ADVANCED_CHAT, AppModeEnum.AGENT_CHAT] as const
 
+export enum AppTypeEnum {
+  WORKFLOW = 'workflow',
+  CHAT = 'chat',
+  RAG_PIPELINE = 'rag-pipeline',
+  SNIPPET = 'snippet',
+  EVALUATION = 'evaluation',
+}
+
 /**
  * Variable type
  */
@@ -325,6 +333,8 @@ export type App = {
 
   /** Mode */
   mode: AppModeEnum
+  /** Type */
+  type?: AppTypeEnum
   /** Enable web app */
   enable_site: boolean
   /** Enable web API */
diff --git a/web/types/workflow.ts b/web/types/workflow.ts
index 9e7dfd7e7a..fc457e602e 100644
--- a/web/types/workflow.ts
+++ b/web/types/workflow.ts
@@ -427,6 +427,8 @@ export type PublishWorkflowParams = {
   releaseNotes: string
 }
 
+export type WorkflowTypeConversionTarget = 'workflow' | 'evaluation'
+
 export type UpdateWorkflowParams = {
   url: string
   title: string