diff --git a/next-ui/src/api/images.ts b/next-ui/src/api/images.ts
index 7fb7518f2..08811e676 100644
--- a/next-ui/src/api/images.ts
+++ b/next-ui/src/api/images.ts
@@ -19,3 +19,8 @@ export function pageHashKnownThumbnailUrl(hash?: string): string | undefined {
   if (hash) return `${API_BASE_URL}/api/v1/page-hashes/${hash}/thumbnail`
   return undefined
 }
+
+export function pageHashUnknownThumbnailUrl(hash?: string): string | undefined {
+  if (hash) return `${API_BASE_URL}/api/v1/page-hashes/unknown/${hash}/thumbnail`
+  return undefined
+}
diff --git a/next-ui/src/colada/page-hashes.ts b/next-ui/src/colada/page-hashes.ts
index cca77bfe9..b2cd571e9 100644
--- a/next-ui/src/colada/page-hashes.ts
+++ b/next-ui/src/colada/page-hashes.ts
@@ -2,6 +2,10 @@ import { defineQueryOptions } from '@pinia/colada'
 import { komgaClient } from '@/api/komga-client'
 import type { PageHashAction } from '@/types/PageHashAction'
 
+export const QUERY_KEYS_PAGE_HASHES = {
+  unknown: ['page-hashes-unknown'] as const,
+}
+
 export const pageHashesKnownQuery = defineQueryOptions(
   ({
     actions,
@@ -33,6 +37,26 @@ export const pageHashesKnownQuery = defineQueryOptions(
   }),
 )
 
+export const pageHashesUnknownQuery = defineQueryOptions(
+  ({ page, size, sort }: { page?: number; size?: number; sort?: string[] }) => ({
+    key: [QUERY_KEYS_PAGE_HASHES.unknown, { page: page, size: size, sort: sort }],
+    query: () =>
+      komgaClient
+        .GET('/api/v1/page-hashes/unknown', {
+          params: {
+            query: {
+              page: page,
+              size: size,
+              sort: sort,
+            },
+          },
+        })
+        // unwrap the openapi-fetch structure on success
+        .then((res) => res.data),
+    placeholderData: (previousData: any) => previousData, // eslint-disable-line @typescript-eslint/no-explicit-any
+  }),
+)
+
 export const pageHashMatchesQuery = defineQueryOptions(
   ({
     pageHash,
diff --git a/next-ui/src/components.d.ts b/next-ui/src/components.d.ts
index 76f07599d..c7895097e 100644
--- a/next-ui/src/components.d.ts
+++ b/next-ui/src/components.d.ts
@@ -54,6 +54,7 @@ declare module 'vue' {
     LocaleSelector: typeof import('./components/LocaleSelector.vue')['default']
     PageHashKnownTable: typeof import('./components/pageHash/KnownTable.vue')['default']
     PageHashMatchTable: typeof import('./components/pageHash/MatchTable.vue')['default']
+    PageHashUnknownTable: typeof import('./components/pageHash/UnknownTable.vue')['default']
     ReleaseCard: typeof import('./components/release/Card.vue')['default']
     RemoteFileList: typeof import('./components/RemoteFileList.vue')['default']
     RouterLink: typeof import('vue-router')['RouterLink']
diff --git a/next-ui/src/components/pageHash/UnknownTable.stories.ts b/next-ui/src/components/pageHash/UnknownTable.stories.ts
new file mode 100644
index 000000000..577eb4259
--- /dev/null
+++ b/next-ui/src/components/pageHash/UnknownTable.stories.ts
@@ -0,0 +1,61 @@
+import type { Meta, StoryObj } from '@storybook/vue3-vite'
+
+import UnknownTable from './UnknownTable.vue'
+import { delay, http } from 'msw'
+import { response401Unauthorized } from '@/mocks/api/handlers'
+import { httpTyped } from '@/mocks/api/httpTyped'
+import { mockPage } from '@/mocks/api/pageable'
+import { PageRequest } from '@/types/PageRequest'
+import DialogSimpleInstance from '@/components/dialog/DialogSimpleInstance.vue'
+import SnackQueue from '@/components/SnackQueue.vue'
+
+const meta = {
+  component: UnknownTable,
+  subcomponents: { SnackQueue },
+  render: (args: object) => ({
+    components: { UnknownTable, DialogSimpleInstance, SnackQueue },
+    setup() {
+      return { args }
+    },
+    template: '<UnknownTable v-bind="args" /><DialogSimpleInstance/><SnackQueue/>',
+  }),
+  parameters: {
+    // More on how to position stories at: https://storybook.js.org/docs/configure/story-layout
+  },
+  args: {},
+} satisfies Meta<typeof UnknownTable>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Default: Story = {
+  args: {},
+}
+
+export const NoData: Story = {
+  parameters: {
+    msw: {
+      handlers: [
+        httpTyped.get('/api/v1/page-hashes/unknown', ({ response }) =>
+          response(200).json(mockPage([], new PageRequest())),
+        ),
+      ],
+    },
+  },
+}
+
+export const Loading: Story = {
+  parameters: {
+    msw: {
+      handlers: [http.all('*/api/*', async () => await delay(2_000))],
+    },
+  },
+}
+
+export const Error: Story = {
+  parameters: {
+    msw: {
+      handlers: [http.all('*/api/v1/page-hashes/unknown', response401Unauthorized)],
+    },
+  },
+}
diff --git a/next-ui/src/components/pageHash/UnknownTable.vue b/next-ui/src/components/pageHash/UnknownTable.vue
new file mode 100644
index 000000000..91c5ef311
--- /dev/null
+++ b/next-ui/src/components/pageHash/UnknownTable.vue
@@ -0,0 +1,393 @@
+<template>
+  <v-data-table-server
+    v-model="selectedHashes"
+    v-model:sort-by="sortBy"
+    :loading="isLoading"
+    :items="data?.content"
+    :items-length="data?.totalElements || 0"
+    :items-per-page-options="[
+      { value: 10, title: '10' },
+      { value: 25, title: '25' },
+      { value: 50, title: '50' },
+      { value: 100, title: '100' },
+    ]"
+    :headers="headers"
+    fixed-header
+    fixed-footer
+    select-strategy="page"
+    show-select
+    return-object
+    item-value="hash"
+    multi-sort
+    mobile-breakpoint="md"
+    @update:options="updateOptions"
+  >
+    <template #top>
+      <v-toolbar flat>
+        <v-toolbar-title
+          v-if="display.smAndUp.value || (display.xs.value && selectedHashes.length == 0)"
+        >
+          <v-icon
+            color="medium-emphasis"
+            icon="i-mdi:content-copy"
+            size="x-small"
+            start
+          />
+          {{
+            $formatMessage({
+              description: 'Unknown Duplicate Page Table global header',
+              defaultMessage: 'Unknown Duplicates',
+              id: 'XuqK4C',
+            })
+          }}
+        </v-toolbar-title>
+
+        <v-spacer v-if="display.smAndUp.value || (display.xs.value && selectedHashes.length > 0)" />
+        <v-btn
+          v-if="selectedHashes.length > 0"
+          variant="elevated"
+          class="mx-2"
+          append-icon="i-mdi:menu-down"
+        >
+          {{
+            $formatMessage({
+              description: 'Unknown Duplicate Page: selection action button',
+              defaultMessage: 'Mark as',
+              id: 'lFTdQ+',
+            })
+          }}
+
+          <v-menu activator="parent">
+            <v-list
+              density="compact"
+              slim
+            >
+              <v-list-item
+                v-for="(item, index) in actionOptions"
+                :key="index"
+                :title="item.title"
+                :prepend-icon="item.icon"
+                @click="updateHashActions(selectedHashes, item.value)"
+              >
+              </v-list-item>
+            </v-list>
+          </v-menu>
+        </v-btn>
+      </v-toolbar>
+    </template>
+
+    <template #no-data>
+      <EmptyStateNetworkError v-if="error" />
+      <template v-else>
+        {{
+          $formatMessage({
+            description: 'Unknown Duplicate Page Table: shown when table has no data',
+            defaultMessage: 'No data found',
+            id: 'hPo41m',
+          })
+        }}
+      </template>
+    </template>
+
+    <template #[`item.hash`]="{ value }">
+      <div>
+        <v-img
+          width="200"
+          height="200"
+          contain
+          style="cursor: zoom-in"
+          :src="pageHashUnknownThumbnailUrl(value)"
+          lazy-src="@/assets/cover.svg"
+          class="my-1"
+          :alt="
+            $formatMessage({
+              description: 'Unknown Duplicate Page Table: alt description for thumbnail',
+              defaultMessage: 'Duplicate page',
+              id: 'IXhDH6',
+            })
+          "
+          @mouseenter="dialogSimple.activator = $event.currentTarget"
+          @click="showDialogImage(value)"
+        >
+          <template #placeholder>
+            <div class="d-flex align-center justify-center fill-height">
+              <v-progress-circular
+                color="grey"
+                indeterminate
+              />
+            </div>
+          </template>
+        </v-img>
+      </div>
+    </template>
+
+    <template #[`item.action`]="{ item, value }">
+      <v-btn-toggle
+        :model-value="value"
+        variant="outlined"
+        divided
+        rounded="lg"
+        :disabled="value"
+        @update:model-value="(v) => updateHashAction(item, v)"
+      >
+        <v-btn
+          v-tooltip:bottom="
+            intl.formatMessage(pageHashActionMessages[PageHashActionEnum.DELETE_AUTO])
+          "
+          size="small"
+          icon="i-mdi:robot"
+          :value="PageHashActionEnum.DELETE_AUTO"
+          :loading="value === PageHashActionEnum.DELETE_AUTO"
+          color="success"
+        />
+        <v-btn
+          v-tooltip:bottom="
+            intl.formatMessage(pageHashActionMessages[PageHashActionEnum.DELETE_MANUAL])
+          "
+          size="small"
+          icon="i-mdi:hand-back-right"
+          :value="PageHashActionEnum.DELETE_MANUAL"
+          :loading="value === PageHashActionEnum.DELETE_MANUAL"
+          color="warning"
+        />
+        <v-btn
+          v-tooltip:bottom="intl.formatMessage(pageHashActionMessages[PageHashActionEnum.IGNORE])"
+          size="small"
+          icon="i-mdi:cancel"
+          :value="PageHashActionEnum.IGNORE"
+          :loading="value === PageHashActionEnum.IGNORE"
+          color=""
+        />
+      </v-btn-toggle>
+    </template>
+
+    <template #[`item.size`]="{ value }">
+      {{ getFileSize(value) }}
+    </template>
+
+    <template #[`item.deleteSize`]="{ value }">
+      {{ getFileSize(value) }}
+    </template>
+
+    <template #[`item.matchCount`]="{ item, value }">
+      <v-btn-group
+        rounded="lg"
+        divided
+        variant="outlined"
+      >
+        <v-btn
+          :text="value"
+          append-icon="i-mdi:image-multiple-outline"
+          color=""
+          size="small"
+          :disabled="value == 0"
+          @mouseenter="dialogSimple.activator = $event.currentTarget"
+          @click="showDialogMatches(item.hash)"
+        />
+      </v-btn-group>
+    </template>
+
+    <template #[`item.created`]="{ value }">
+      <div>{{ $formatDate(value, { dateStyle: 'short' }) }}</div>
+      <div>{{ $formatDate(value, { timeStyle: 'short' }) }}</div>
+    </template>
+
+    <template #[`item.lastModified`]="{ value }">
+      <div>{{ $formatDate(value, { dateStyle: 'short' }) }}</div>
+      <div>{{ $formatDate(value, { timeStyle: 'short' }) }}</div>
+    </template>
+  </v-data-table-server>
+</template>
+
+<script setup lang="ts">
+import { useIntl } from 'vue-intl'
+import { PageRequest, type SortItem } from '@/types/PageRequest'
+import { useMutation, useQuery, useQueryCache } from '@pinia/colada'
+import { pageHashesUnknownQuery, QUERY_KEYS_PAGE_HASHES } from '@/colada/page-hashes'
+import type { components } from '@/generated/openapi/komga'
+import { getFileSize } from '@/utils/utils'
+import { pageHashUnknownThumbnailUrl } from '@/api/images'
+import { storeToRefs } from 'pinia'
+import { useDialogsStore } from '@/stores/dialogs'
+import { useDisplay } from 'vuetify'
+import { VImg } from 'vuetify/components'
+import MatchTable from '@/components/pageHash/MatchTable.vue'
+import { type ErrorCause, komgaClient } from '@/api/komga-client'
+import {
+  type PageHashAction,
+  PageHashActionEnum,
+  pageHashActionMessages,
+} from '@/types/PageHashAction'
+import { useMessagesStore } from '@/stores/messages'
+import { commonMessages } from '@/utils/i18n/common-messages'
+
+const intl = useIntl()
+const display = useDisplay()
+const messagesStore = useMessagesStore()
+const { simple: dialogSimple } = storeToRefs(useDialogsStore())
+
+const selectedHashes = ref<components['schemas']['PageHashUnknownDto'][]>([])
+const sortBy = ref<SortItem[]>([{ key: 'deleteSize', order: 'desc' }])
+
+//region headers
+const headers = [
+  {
+    title: intl.formatMessage({
+      description: 'Unknown Duplicate Page Table header: thumbnail',
+      defaultMessage: 'Thumbnail',
+      id: 'oyeyK/',
+    }),
+    key: 'hash',
+    sortable: false,
+  },
+  {
+    title: intl.formatMessage({
+      description: 'Unknown Duplicate Page Table header: action',
+      defaultMessage: 'Action',
+      id: 'gxZjIe',
+    }),
+    key: 'action',
+    value: (item: components['schemas']['PageHashUnknownDto']) => {
+      return getPageHashAction(item)
+    },
+  },
+  {
+    title: intl.formatMessage({
+      description: 'Unknown Duplicate Page Table header: match count',
+      defaultMessage: 'Matches',
+      id: 'hdoWGT',
+    }),
+    key: 'matchCount',
+  },
+  {
+    title: intl.formatMessage({
+      description: 'Unknown Duplicate Page Table header: size',
+      defaultMessage: 'Size',
+      id: 'zRDVnR',
+    }),
+    key: 'size',
+  },
+] as const
+//endregion
+
+const pageRequest = ref<PageRequest>(new PageRequest())
+
+const { data, isLoading, error } = useQuery(pageHashesUnknownQuery, () => ({
+  ...pageRequest.value,
+}))
+
+function updateOptions({
+  page,
+  itemsPerPage,
+  sortBy,
+}: {
+  page: number
+  itemsPerPage: number
+  sortBy: SortItem[]
+}) {
+  pageRequest.value = PageRequest.FromVuetify(page - 1, itemsPerPage, sortBy)
+}
+
+function showDialogImage(hash: string) {
+  dialogSimple.value.dialogProps = {
+    fullscreen: display.xs.value,
+    scrollable: true,
+  }
+  dialogSimple.value.slot = {
+    component: markRaw(VImg),
+    props: {
+      src: pageHashUnknownThumbnailUrl(hash),
+      contain: true,
+      style: 'cursor: zoom-out;',
+    },
+    handlers: {
+      click: () => {
+        dialogSimple.value.dialogProps.shown = false
+      },
+    },
+  }
+}
+
+function showDialogMatches(hash: string) {
+  dialogSimple.value.dialogProps = {
+    fullscreen: display.xs.value,
+    scrollable: true,
+  }
+  dialogSimple.value.slot = {
+    component: markRaw(MatchTable),
+    props: {
+      modelValue: hash,
+    },
+  }
+}
+
+//region Update action
+const updateRequests = ref<Record<string, PageHashAction>>({})
+
+function getPageHashAction(
+  pageHash: components['schemas']['PageHashUnknownDto'],
+): PageHashAction | undefined {
+  return updateRequests.value[pageHash.hash]
+}
+
+async function updateHashAction(
+  pageHash: components['schemas']['PageHashUnknownDto'],
+  newAction: PageHashAction,
+  invalidateCache: boolean = true,
+) {
+  updateRequests.value[pageHash.hash] = newAction
+
+  return useMutation({
+    mutation: () =>
+      komgaClient.PUT('/api/v1/page-hashes', {
+        body: {
+          ...pageHash,
+          action: newAction,
+        },
+      }),
+  })
+    .mutateAsync()
+    .then(() => {
+      if (selectedHashes.value.includes(pageHash))
+        selectedHashes.value.splice(selectedHashes.value.indexOf(pageHash), 1)
+      if (invalidateCache)
+        void useQueryCache().invalidateQueries({ key: [QUERY_KEYS_PAGE_HASHES.unknown] })
+    })
+    .catch((error) =>
+      messagesStore.messages.push({
+        text:
+          (error?.cause as ErrorCause)?.message || intl.formatMessage(commonMessages.networkError),
+      }),
+    )
+}
+
+async function updateHashActions(
+  pageHashes: components['schemas']['PageHashUnknownDto'][],
+  newAction: PageHashAction,
+) {
+  const updates = pageHashes.map((it) => updateHashAction(it, newAction, false))
+  await Promise.allSettled(updates)
+
+  void useQueryCache().invalidateQueries({ key: [QUERY_KEYS_PAGE_HASHES.unknown] })
+}
+
+const actionOptions = [
+  {
+    title: intl.formatMessage(pageHashActionMessages[PageHashActionEnum.DELETE_AUTO]),
+    value: PageHashActionEnum.DELETE_AUTO,
+    icon: 'i-mdi:robot',
+  },
+  {
+    title: intl.formatMessage(pageHashActionMessages[PageHashActionEnum.DELETE_MANUAL]),
+    value: PageHashActionEnum.DELETE_MANUAL,
+    icon: 'i-mdi:hand-back-right',
+  },
+  {
+    title: intl.formatMessage(pageHashActionMessages[PageHashActionEnum.IGNORE]),
+    value: PageHashActionEnum.IGNORE,
+    icon: 'i-mdi:cancel',
+  },
+]
+//endregion
+</script>
+<script setup lang="ts"></script>
diff --git a/next-ui/src/mocks/api/handlers/page-hashes.ts b/next-ui/src/mocks/api/handlers/page-hashes.ts
index 9471ce2b4..5fd74ecbb 100644
--- a/next-ui/src/mocks/api/handlers/page-hashes.ts
+++ b/next-ui/src/mocks/api/handlers/page-hashes.ts
@@ -21,6 +21,18 @@ export function mockPageHashesKnown(count: number): components['schemas']['PageH
   })
 }
 
+export function mockPageHashesUnknown(
+  count: number,
+): components['schemas']['PageHashUnknownDto'][] {
+  return [...Array(count).keys()].map((index) => {
+    return {
+      hash: `UNKN${index}`,
+      size: 1234 * (index + 1),
+      matchCount: index * 2,
+    }
+  })
+}
+
 export function mockPageHashMatches(count: number): components['schemas']['PageHashMatchDto'][] {
   return [...Array(count).keys()].map((index) => {
     return {
@@ -34,6 +46,8 @@ export function mockPageHashMatches(count: number): components['schemas']['PageH
   })
 }
 
+const knownHashes: string[] = []
+
 export const pageHashesHandlers = [
   httpTyped.get('/api/v1/page-hashes', ({ query, response }) => {
     let data = mockPageHashesKnown(50)
@@ -46,6 +60,15 @@ export const pageHashesHandlers = [
       ),
     )
   }),
+  httpTyped.get('/api/v1/page-hashes/unknown', ({ query, response }) => {
+    const data = mockPageHashesUnknown(50).filter((it) => !knownHashes.includes(it.hash))
+    return response(200).json(
+      mockPage(
+        data,
+        new PageRequest(Number(query.get('page')), Number(query.get('size')), query.getAll('sort')),
+      ),
+    )
+  }),
   httpTyped.get('/api/v1/page-hashes/{pageHash}', ({ params, query, response }) => {
     const hash = params.pageHash
     const data = mockPageHashMatches(Number(hash.substring(4)) * 2)
@@ -56,7 +79,10 @@ export const pageHashesHandlers = [
       ),
     )
   }),
-  httpTyped.put('/api/v1/page-hashes', ({ response }) => {
+  httpTyped.put('/api/v1/page-hashes', async ({ request, response }) => {
+    const body = await request.json()
+    knownHashes.push(body.hash)
+
     return response(202).empty()
   }),
   httpTyped.post('/api/v1/page-hashes/{pageHash}/delete-all', ({ response }) => {
@@ -82,4 +108,27 @@ export const pageHashesHandlers = [
       }),
     )
   }),
+  httpTyped.get(
+    '/api/v1/page-hashes/unknown/{pageHash}/thumbnail',
+    async ({ params, response }) => {
+      const hash = params.pageHash
+
+      // use landscape image for some images
+      const landscape = Number(hash.slice(-1)) % 2 === 0
+
+      // Get an ArrayBuffer from reading the file from disk or fetching it.
+      const buffer = await fetch(landscape ? mockThumbnailLandscapeUrl : mockThumbnailUrl).then(
+        (response) => response.arrayBuffer(),
+      )
+
+      return response.untyped(
+        HttpResponse.arrayBuffer(buffer, {
+          status: 200,
+          headers: {
+            'content-type': 'image/jpg',
+          },
+        }),
+      )
+    },
+  ),
 ]
diff --git a/next-ui/src/pages/media/duplicate-pages/unknown.vue b/next-ui/src/pages/media/duplicate-pages/unknown.vue
index 0edc4680f..ec75048db 100644
--- a/next-ui/src/pages/media/duplicate-pages/unknown.vue
+++ b/next-ui/src/pages/media/duplicate-pages/unknown.vue
@@ -1,5 +1,10 @@
 <template>
-  <h1>Unknown</h1>
+  <v-container
+    fluid
+    class="pa-0 pa-sm-4 h-100 h-sm-auto"
+  >
+    <PageHashUnknownTable />
+  </v-container>
 </template>
 
 <script lang="ts" setup>