diff --git a/frontend/src/components/admin/usage/UsageFilters.vue b/frontend/src/components/admin/usage/UsageFilters.vue
index 9bdf6921..d305dc18 100644
--- a/frontend/src/components/admin/usage/UsageFilters.vue
+++ b/frontend/src/components/admin/usage/UsageFilters.vue
@@ -160,6 +160,7 @@
         <button type="button" @click="$emit('reset')" class="btn btn-secondary">
           {{ t('common.reset') }}
         </button>
+        <slot name="after-reset" />
         <button type="button" @click="$emit('cleanup')" class="btn btn-danger">
           {{ t('admin.usage.cleanup.button') }}
         </button>
diff --git a/frontend/src/components/admin/usage/UsageTable.vue b/frontend/src/components/admin/usage/UsageTable.vue
index fc54b667..c8acf6b8 100644
--- a/frontend/src/components/admin/usage/UsageTable.vue
+++ b/frontend/src/components/admin/usage/UsageTable.vue
@@ -1,7 +1,7 @@
 <template>
   <div class="card overflow-hidden">
     <div class="overflow-auto">
-      <DataTable :columns="cols" :data="data" :loading="loading">
+      <DataTable :columns="columns" :data="data" :loading="loading">
         <template #cell-user="{ row }">
           <div class="text-sm">
             <span class="font-medium text-gray-900 dark:text-white">{{ row.user?.email || '-' }}</span>
@@ -123,7 +123,7 @@
         </template>
 
         <template #cell-user_agent="{ row }">
-          <span v-if="row.user_agent" class="text-sm text-gray-600 dark:text-gray-400 block max-w-[320px] whitespace-normal break-all" :title="row.user_agent">{{ formatUserAgent(row.user_agent) }}</span>
+          <span v-if="row.user_agent" class="text-sm text-gray-600 dark:text-gray-400 block max-w-[320px] truncate" :title="row.user_agent">{{ formatUserAgent(row.user_agent) }}</span>
           <span v-else class="text-sm text-gray-400 dark:text-gray-500">-</span>
         </template>
 
@@ -268,7 +268,7 @@
 </template>
 
 <script setup lang="ts">
-import { ref, computed } from 'vue'
+import { ref } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { formatDateTime, formatReasoningEffort } from '@/utils/format'
 import DataTable from '@/components/common/DataTable.vue'
@@ -276,7 +276,7 @@ import EmptyState from '@/components/common/EmptyState.vue'
 import Icon from '@/components/icons/Icon.vue'
 import type { AdminUsageLog } from '@/types'
 
-defineProps(['data', 'loading'])
+defineProps(['data', 'loading', 'columns'])
 const { t } = useI18n()
 
 // Tooltip state - cost
@@ -289,23 +289,6 @@ const tokenTooltipVisible = ref(false)
 const tokenTooltipPosition = ref({ x: 0, y: 0 })
 const tokenTooltipData = ref<AdminUsageLog | null>(null)
 
-const cols = computed(() => [
-  { key: 'user', label: t('admin.usage.user'), sortable: false },
-  { key: 'api_key', label: t('usage.apiKeyFilter'), sortable: false },
-  { key: 'account', label: t('admin.usage.account'), sortable: false },
-  { key: 'model', label: t('usage.model'), sortable: true },
-  { key: 'reasoning_effort', label: t('usage.reasoningEffort'), sortable: false },
-  { key: 'group', label: t('admin.usage.group'), sortable: false },
-  { key: 'stream', label: t('usage.type'), sortable: false },
-  { key: 'tokens', label: t('usage.tokens'), sortable: false },
-  { key: 'cost', label: t('usage.cost'), sortable: false },
-  { key: 'first_token', label: t('usage.firstToken'), sortable: false },
-  { key: 'duration', label: t('usage.duration'), sortable: false },
-  { key: 'created_at', label: t('usage.time'), sortable: true },
-  { key: 'user_agent', label: t('usage.userAgent'), sortable: false },
-  { key: 'ip_address', label: t('admin.usage.ipAddress'), sortable: false }
-])
-
 const formatCacheTokens = (tokens: number): string => {
   if (tokens >= 1000000) return `${(tokens / 1000000).toFixed(1)}M`
   if (tokens >= 1000) return `${(tokens / 1000).toFixed(1)}K`
diff --git a/frontend/src/views/admin/UsageView.vue b/frontend/src/views/admin/UsageView.vue
index dbc81f3a..f702e6ac 100644
--- a/frontend/src/views/admin/UsageView.vue
+++ b/frontend/src/views/admin/UsageView.vue
@@ -17,8 +17,43 @@
           <TokenUsageTrend :trend-data="trendData" :loading="chartsLoading" />
         </div>
       </div>
-      <UsageFilters v-model="filters" v-model:startDate="startDate" v-model:endDate="endDate" :exporting="exporting" @change="applyFilters" @refresh="refreshData" @reset="resetFilters" @cleanup="openCleanupDialog" @export="exportToExcel" />
-      <UsageTable :data="usageLogs" :loading="loading" />
+      <UsageFilters v-model="filters" v-model:startDate="startDate" v-model:endDate="endDate" :exporting="exporting" @change="applyFilters" @refresh="refreshData" @reset="resetFilters" @cleanup="openCleanupDialog" @export="exportToExcel">
+        <template #after-reset>
+          <div class="relative" ref="columnDropdownRef">
+            <button
+              @click="showColumnDropdown = !showColumnDropdown"
+              class="btn btn-secondary px-2 md:px-3"
+              :title="t('admin.users.columnSettings')"
+            >
+              <svg class="h-4 w-4 md:mr-1.5" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="1.5">
+                <path stroke-linecap="round" stroke-linejoin="round" d="M9 4.5v15m6-15v15m-10.875 0h15.75c.621 0 1.125-.504 1.125-1.125V5.625c0-.621-.504-1.125-1.125-1.125H4.125C3.504 4.5 3 5.004 3 5.625v12.75c0 .621.504 1.125 1.125 1.125z" />
+              </svg>
+              <span class="hidden md:inline">{{ t('admin.users.columnSettings') }}</span>
+            </button>
+            <div
+              v-if="showColumnDropdown"
+              class="absolute right-0 top-full z-50 mt-1 max-h-80 w-48 overflow-y-auto rounded-lg border border-gray-200 bg-white py-1 shadow-lg dark:border-dark-600 dark:bg-dark-800"
+            >
+              <button
+                v-for="col in toggleableColumns"
+                :key="col.key"
+                @click="toggleColumn(col.key)"
+                class="flex w-full items-center justify-between px-4 py-2 text-left text-sm text-gray-700 hover:bg-gray-100 dark:text-gray-300 dark:hover:bg-dark-700"
+              >
+                <span>{{ col.label }}</span>
+                <Icon
+                  v-if="isColumnVisible(col.key)"
+                  name="check"
+                  size="sm"
+                  class="text-primary-500"
+                  :stroke-width="2"
+                />
+              </button>
+            </div>
+          </div>
+        </template>
+      </UsageFilters>
+      <UsageTable :data="usageLogs" :loading="loading" :columns="visibleColumns" />
       <Pagination v-if="pagination.total > 0" :page="pagination.page" :total="pagination.total" :page-size="pagination.page_size" @update:page="handlePageChange" @update:pageSize="handlePageSizeChange" />
     </div>
   </AppLayout>
@@ -43,6 +78,7 @@ import UsageStatsCards from '@/components/admin/usage/UsageStatsCards.vue'; impo
 import UsageTable from '@/components/admin/usage/UsageTable.vue'; import UsageExportProgress from '@/components/admin/usage/UsageExportProgress.vue'
 import UsageCleanupDialog from '@/components/admin/usage/UsageCleanupDialog.vue'
 import ModelDistributionChart from '@/components/charts/ModelDistributionChart.vue'; import TokenUsageTrend from '@/components/charts/TokenUsageTrend.vue'
+import Icon from '@/components/icons/Icon.vue'
 import type { AdminUsageLog, TrendDataPoint, ModelStat } from '@/types'; import type { AdminUsageStatsResponse, AdminUsageQueryParams } from '@/api/admin/usage'
 
 const { t } = useI18n()
@@ -141,6 +177,77 @@ const exportToExcel = async () => {
   finally { if(exportAbortController === c) { exportAbortController = null; exporting.value = false; exportProgress.show = false } }
 }
 
-onMounted(() => { loadLogs(); loadStats(); loadChartData() })
-onUnmounted(() => { abortController?.abort(); exportAbortController?.abort() })
+// Column visibility
+const ALWAYS_VISIBLE = ['user', 'created_at']
+const DEFAULT_HIDDEN_COLUMNS = ['reasoning_effort', 'user_agent']
+const HIDDEN_COLUMNS_KEY = 'usage-hidden-columns'
+
+const allColumns = computed(() => [
+  { key: 'user', label: t('admin.usage.user'), sortable: false },
+  { key: 'api_key', label: t('usage.apiKeyFilter'), sortable: false },
+  { key: 'account', label: t('admin.usage.account'), sortable: false },
+  { key: 'model', label: t('usage.model'), sortable: true },
+  { key: 'reasoning_effort', label: t('usage.reasoningEffort'), sortable: false },
+  { key: 'group', label: t('admin.usage.group'), sortable: false },
+  { key: 'stream', label: t('usage.type'), sortable: false },
+  { key: 'tokens', label: t('usage.tokens'), sortable: false },
+  { key: 'cost', label: t('usage.cost'), sortable: false },
+  { key: 'first_token', label: t('usage.firstToken'), sortable: false },
+  { key: 'duration', label: t('usage.duration'), sortable: false },
+  { key: 'created_at', label: t('usage.time'), sortable: true },
+  { key: 'user_agent', label: t('usage.userAgent'), sortable: false },
+  { key: 'ip_address', label: t('admin.usage.ipAddress'), sortable: false }
+])
+
+const hiddenColumns = reactive<Set<string>>(new Set())
+
+const toggleableColumns = computed(() =>
+  allColumns.value.filter(col => !ALWAYS_VISIBLE.includes(col.key))
+)
+
+const visibleColumns = computed(() =>
+  allColumns.value.filter(col =>
+    ALWAYS_VISIBLE.includes(col.key) || !hiddenColumns.has(col.key)
+  )
+)
+
+const isColumnVisible = (key: string) => !hiddenColumns.has(key)
+
+const toggleColumn = (key: string) => {
+  if (hiddenColumns.has(key)) {
+    hiddenColumns.delete(key)
+  } else {
+    hiddenColumns.add(key)
+  }
+  try {
+    localStorage.setItem(HIDDEN_COLUMNS_KEY, JSON.stringify([...hiddenColumns]))
+  } catch (e) {
+    console.error('Failed to save columns:', e)
+  }
+}
+
+const loadSavedColumns = () => {
+  try {
+    const saved = localStorage.getItem(HIDDEN_COLUMNS_KEY)
+    if (saved) {
+      (JSON.parse(saved) as string[]).forEach(key => hiddenColumns.add(key))
+    } else {
+      DEFAULT_HIDDEN_COLUMNS.forEach(key => hiddenColumns.add(key))
+    }
+  } catch {
+    DEFAULT_HIDDEN_COLUMNS.forEach(key => hiddenColumns.add(key))
+  }
+}
+
+const showColumnDropdown = ref(false)
+const columnDropdownRef = ref<HTMLElement | null>(null)
+
+const handleColumnClickOutside = (event: MouseEvent) => {
+  if (columnDropdownRef.value && !columnDropdownRef.value.contains(event.target as HTMLElement)) {
+    showColumnDropdown.value = false
+  }
+}
+
+onMounted(() => { loadLogs(); loadStats(); loadChartData(); loadSavedColumns(); document.addEventListener('click', handleColumnClickOutside) })
+onUnmounted(() => { abortController?.abort(); exportAbortController?.abort(); document.removeEventListener('click', handleColumnClickOutside) })
 </script>