diff --git a/src/components/SnippetCard.tsx b/src/components/SnippetCard.tsx
index 2dc337c..b9d5382 100644
--- a/src/components/SnippetCard.tsx
+++ b/src/components/SnippetCard.tsx
@@ -2,6 +2,7 @@ import { useState, useMemo, useEffect } from 'react'
 import { Badge } from '@/components/ui/badge'
 import { Button } from '@/components/ui/button'
 import { Card } from '@/components/ui/card'
+import { Checkbox } from '@/components/ui/checkbox'
 import {
   DropdownMenu,
   DropdownMenuContent,
@@ -25,9 +26,22 @@ interface SnippetCardProps {
   onCopy: (code: string) => void
   onView: (snippet: Snippet) => void
   onMove?: () => void
+  selectionMode?: boolean
+  isSelected?: boolean
+  onToggleSelect?: (id: string) => void
 }
 
-export function SnippetCard({ snippet, onEdit, onDelete, onCopy, onView, onMove }: SnippetCardProps) {
+export function SnippetCard({ 
+  snippet, 
+  onEdit, 
+  onDelete, 
+  onCopy, 
+  onView, 
+  onMove,
+  selectionMode = false,
+  isSelected = false,
+  onToggleSelect
+}: SnippetCardProps) {
   const [isCopied, setIsCopied] = useState(false)
   const [namespaces, setNamespaces] = useState<Namespace[]>([])
   const [isMoving, setIsMoving] = useState(false)
@@ -89,7 +103,17 @@ export function SnippetCard({ snippet, onEdit, onDelete, onCopy, onView, onMove
   }
 
   const handleView = (e: React.MouseEvent) => {
-    onView(snippet)
+    if (selectionMode) {
+      handleToggleSelect()
+    } else {
+      onView(snippet)
+    }
+  }
+
+  const handleToggleSelect = () => {
+    if (onToggleSelect) {
+      onToggleSelect(snippet.id)
+    }
   }
 
   const handleMoveToNamespace = async (targetNamespaceId: string) => {
@@ -127,20 +151,32 @@ export function SnippetCard({ snippet, onEdit, onDelete, onCopy, onView, onMove
 
   return (
     <Card 
-      className="group overflow-hidden hover:border-accent/50 transition-all cursor-pointer"
+      className={`group overflow-hidden hover:border-accent/50 transition-all cursor-pointer ${
+        isSelected ? 'border-accent ring-2 ring-accent/20' : ''
+      }`}
       onClick={handleView}
     >
       <div className="p-6 space-y-4">
         <div className="flex items-start justify-between gap-3">
-          <div className="flex-1 min-w-0">
-            <h3 className="text-lg font-semibold text-foreground mb-1 truncate">
-              {snippet.title}
-            </h3>
-            {snippetData.description && (
-              <p className="text-sm text-muted-foreground line-clamp-2">
-                {snippetData.description}
-              </p>
+          <div className="flex items-start gap-3 flex-1 min-w-0">
+            {selectionMode && (
+              <Checkbox
+                checked={isSelected}
+                onCheckedChange={handleToggleSelect}
+                onClick={(e) => e.stopPropagation()}
+                className="mt-1"
+              />
             )}
+            <div className="flex-1 min-w-0">
+              <h3 className="text-lg font-semibold text-foreground mb-1 truncate">
+                {snippet.title}
+              </h3>
+              {snippetData.description && (
+                <p className="text-sm text-muted-foreground line-clamp-2">
+                  {snippetData.description}
+                </p>
+              )}
+            </div>
           </div>
           <Badge
             className={`shrink-0 ${LANGUAGE_COLORS[snippet.language] || LANGUAGE_COLORS['Other']}`}
@@ -160,87 +196,89 @@ export function SnippetCard({ snippet, onEdit, onDelete, onCopy, onView, onMove
           )}
         </div>
 
-        <div className="flex items-center justify-between gap-2 pt-2">
-          <div className="flex-1 flex items-center gap-2">
-            <Button
-              variant="ghost"
-              size="sm"
-              onClick={handleView}
-              className="gap-2"
-            >
-              <Eye className="h-4 w-4" />
-              {strings.snippetCard.viewButton}
-            </Button>
-          </div>
-          <div className="flex items-center gap-2">
-            <Button
-              variant="ghost"
-              size="sm"
-              onClick={handleCopy}
-              className="gap-2"
-              aria-label={strings.snippetCard.ariaLabels.copy}
-            >
-              <Copy className="h-4 w-4" />
-              {isCopied ? strings.snippetCard.copiedButton : strings.snippetCard.copyButton}
-            </Button>
-            <Button
-              variant="ghost"
-              size="sm"
-              onClick={handleEdit}
-              aria-label={strings.snippetCard.ariaLabels.edit}
-            >
-              <Pencil className="h-4 w-4" />
-            </Button>
-            
-            <DropdownMenu>
-              <DropdownMenuTrigger asChild>
-                <Button
-                  variant="ghost"
-                  size="sm"
-                  onClick={(e) => e.stopPropagation()}
-                  aria-label="More options"
-                >
-                  <DotsThree className="h-4 w-4" weight="bold" />
-                </Button>
-              </DropdownMenuTrigger>
-              <DropdownMenuContent align="end" onClick={(e) => e.stopPropagation()}>
-                <DropdownMenuSub>
-                  <DropdownMenuSubTrigger disabled={isMoving || availableNamespaces.length === 0}>
-                    <FolderOpen className="h-4 w-4 mr-2" />
-                    <span>Move to...</span>
-                  </DropdownMenuSubTrigger>
-                  <DropdownMenuSubContent>
-                    {availableNamespaces.length === 0 ? (
-                      <DropdownMenuItem disabled>
-                        No other namespaces
-                      </DropdownMenuItem>
-                    ) : (
-                      availableNamespaces.map((namespace) => (
-                        <DropdownMenuItem
-                          key={namespace.id}
-                          onClick={() => handleMoveToNamespace(namespace.id)}
-                        >
-                          {namespace.name}
-                          {namespace.isDefault && (
-                            <span className="ml-2 text-xs text-muted-foreground">(Default)</span>
-                          )}
+        {!selectionMode && (
+          <div className="flex items-center justify-between gap-2 pt-2">
+            <div className="flex-1 flex items-center gap-2">
+              <Button
+                variant="ghost"
+                size="sm"
+                onClick={handleView}
+                className="gap-2"
+              >
+                <Eye className="h-4 w-4" />
+                {strings.snippetCard.viewButton}
+              </Button>
+            </div>
+            <div className="flex items-center gap-2">
+              <Button
+                variant="ghost"
+                size="sm"
+                onClick={handleCopy}
+                className="gap-2"
+                aria-label={strings.snippetCard.ariaLabels.copy}
+              >
+                <Copy className="h-4 w-4" />
+                {isCopied ? strings.snippetCard.copiedButton : strings.snippetCard.copyButton}
+              </Button>
+              <Button
+                variant="ghost"
+                size="sm"
+                onClick={handleEdit}
+                aria-label={strings.snippetCard.ariaLabels.edit}
+              >
+                <Pencil className="h-4 w-4" />
+              </Button>
+              
+              <DropdownMenu>
+                <DropdownMenuTrigger asChild>
+                  <Button
+                    variant="ghost"
+                    size="sm"
+                    onClick={(e) => e.stopPropagation()}
+                    aria-label="More options"
+                  >
+                    <DotsThree className="h-4 w-4" weight="bold" />
+                  </Button>
+                </DropdownMenuTrigger>
+                <DropdownMenuContent align="end" onClick={(e) => e.stopPropagation()}>
+                  <DropdownMenuSub>
+                    <DropdownMenuSubTrigger disabled={isMoving || availableNamespaces.length === 0}>
+                      <FolderOpen className="h-4 w-4 mr-2" />
+                      <span>Move to...</span>
+                    </DropdownMenuSubTrigger>
+                    <DropdownMenuSubContent>
+                      {availableNamespaces.length === 0 ? (
+                        <DropdownMenuItem disabled>
+                          No other namespaces
                         </DropdownMenuItem>
-                      ))
-                    )}
-                  </DropdownMenuSubContent>
-                </DropdownMenuSub>
-                <DropdownMenuSeparator />
-                <DropdownMenuItem
-                  onClick={handleDelete}
-                  className="text-destructive focus:text-destructive"
-                >
-                  <Trash className="h-4 w-4 mr-2" />
-                  Delete
-                </DropdownMenuItem>
-              </DropdownMenuContent>
-            </DropdownMenu>
+                      ) : (
+                        availableNamespaces.map((namespace) => (
+                          <DropdownMenuItem
+                            key={namespace.id}
+                            onClick={() => handleMoveToNamespace(namespace.id)}
+                          >
+                            {namespace.name}
+                            {namespace.isDefault && (
+                              <span className="ml-2 text-xs text-muted-foreground">(Default)</span>
+                            )}
+                          </DropdownMenuItem>
+                        ))
+                      )}
+                    </DropdownMenuSubContent>
+                  </DropdownMenuSub>
+                  <DropdownMenuSeparator />
+                  <DropdownMenuItem
+                    onClick={handleDelete}
+                    className="text-destructive focus:text-destructive"
+                  >
+                    <Trash className="h-4 w-4 mr-2" />
+                    Delete
+                  </DropdownMenuItem>
+                </DropdownMenuContent>
+              </DropdownMenu>
+            </div>
           </div>
-        </div>
+        )}
       </div>
     </Card>
   )
diff --git a/src/components/SnippetManager.tsx b/src/components/SnippetManager.tsx
index a9fb0f6..a6c531a 100644
--- a/src/components/SnippetManager.tsx
+++ b/src/components/SnippetManager.tsx
@@ -1,7 +1,7 @@
 import { useState, useMemo, useCallback, useEffect } from 'react'
 import { Button } from '@/components/ui/button'
 import { Input } from '@/components/ui/input'
-import { Plus, MagnifyingGlass, CaretDown } from '@phosphor-icons/react'
+import { Plus, MagnifyingGlass, CaretDown, CheckSquare, FolderOpen, X } from '@phosphor-icons/react'
 import {
   DropdownMenu,
   DropdownMenuContent,
@@ -9,13 +9,16 @@ import {
   DropdownMenuSeparator,
   DropdownMenuTrigger,
   DropdownMenuLabel,
+  DropdownMenuSub,
+  DropdownMenuSubContent,
+  DropdownMenuSubTrigger,
 } from '@/components/ui/dropdown-menu'
 import { SnippetCard } from '@/components/SnippetCard'
 import { SnippetDialog } from '@/components/SnippetDialog'
 import { SnippetViewer } from '@/components/SnippetViewer'
 import { EmptyState } from '@/components/EmptyState'
 import { NamespaceSelector } from '@/components/NamespaceSelector'
-import { Snippet, SnippetTemplate } from '@/lib/types'
+import { Snippet, SnippetTemplate, Namespace } from '@/lib/types'
 import { toast } from 'sonner'
 import { strings } from '@/lib/config'
 import templatesData from '@/data/templates.json'
@@ -28,7 +31,8 @@ import {
   syncTemplatesFromJSON,
   getSnippetsByNamespace,
   ensureDefaultNamespace,
-  getAllNamespaces
+  getAllNamespaces,
+  bulkMoveSnippets
 } from '@/lib/db'
 
 const templates = templatesData as SnippetTemplate[]
@@ -42,6 +46,9 @@ export function SnippetManager() {
   const [editingSnippet, setEditingSnippet] = useState<Snippet | null>(null)
   const [viewingSnippet, setViewingSnippet] = useState<Snippet | null>(null)
   const [selectedNamespaceId, setSelectedNamespaceId] = useState<string | null>(null)
+  const [selectionMode, setSelectionMode] = useState(false)
+  const [selectedSnippetIds, setSelectedSnippetIds] = useState<Set<string>>(new Set())
+  const [namespaces, setNamespaces] = useState<Namespace[]>([])
 
   useEffect(() => {
     const loadData = async () => {
@@ -50,8 +57,10 @@ export function SnippetManager() {
         await seedDatabase()
         await syncTemplatesFromJSON(templates)
         
-        const namespaces = await getAllNamespaces()
-        const defaultNamespace = namespaces.find(n => n.isDefault)
+        const loadedNamespaces = await getAllNamespaces()
+        setNamespaces(loadedNamespaces)
+        
+        const defaultNamespace = loadedNamespaces.find(n => n.isDefault)
         if (defaultNamespace) {
           setSelectedNamespaceId(defaultNamespace.id)
           const loadedSnippets = await getSnippetsByNamespace(defaultNamespace.id)
@@ -198,6 +207,55 @@ export function SnippetManager() {
     }
   }, [])
 
+  const handleToggleSelectionMode = useCallback(() => {
+    setSelectionMode(!selectionMode)
+    setSelectedSnippetIds(new Set())
+  }, [selectionMode])
+
+  const handleToggleSnippetSelection = useCallback((snippetId: string) => {
+    setSelectedSnippetIds((prev) => {
+      const newSet = new Set(prev)
+      if (newSet.has(snippetId)) {
+        newSet.delete(snippetId)
+      } else {
+        newSet.add(snippetId)
+      }
+      return newSet
+    })
+  }, [])
+
+  const handleSelectAll = useCallback(() => {
+    if (selectedSnippetIds.size === filteredSnippets.length) {
+      setSelectedSnippetIds(new Set())
+    } else {
+      setSelectedSnippetIds(new Set(filteredSnippets.map(s => s.id)))
+    }
+  }, [filteredSnippets, selectedSnippetIds.size])
+
+  const handleBulkMove = useCallback(async (targetNamespaceId: string) => {
+    if (selectedSnippetIds.size === 0) {
+      toast.error('No snippets selected')
+      return
+    }
+
+    try {
+      await bulkMoveSnippets(Array.from(selectedSnippetIds), targetNamespaceId)
+      const targetNamespace = namespaces.find(n => n.id === targetNamespaceId)
+      toast.success(`Moved ${selectedSnippetIds.size} snippet${selectedSnippetIds.size > 1 ? 's' : ''} to ${targetNamespace?.name || 'namespace'}`)
+      
+      setSelectedSnippetIds(new Set())
+      setSelectionMode(false)
+      
+      if (selectedNamespaceId) {
+        const loadedSnippets = await getSnippetsByNamespace(selectedNamespaceId)
+        setSnippets(loadedSnippets)
+      }
+    } catch (error) {
+      console.error('Failed to bulk move snippets:', error)
+      toast.error('Failed to move snippets')
+    }
+  }, [selectedSnippetIds, namespaces, selectedNamespaceId])
+
   const allSnippets = snippets || []
 
   if (loading) {
@@ -248,113 +306,180 @@ export function SnippetManager() {
             className="pl-10"
           />
         </div>
-        <DropdownMenu>
-          <DropdownMenuTrigger asChild>
-            <Button className="gap-2 w-full sm:w-auto">
-              <Plus weight="bold" />
-              {strings.app.header.newSnippetButton}
-              <CaretDown weight="bold" />
-            </Button>
-          </DropdownMenuTrigger>
-          <DropdownMenuContent align="end" className="w-72 max-h-[500px] overflow-y-auto">
-            <DropdownMenuItem onClick={handleCreateNew}>
-              <Plus className="mr-2 h-4 w-4" weight="bold" />
-              Blank Snippet
-            </DropdownMenuItem>
-            <DropdownMenuSeparator />
-            <DropdownMenuLabel>React Components</DropdownMenuLabel>
-            {templates.filter((t) => t.category === 'react').map((template) => (
-              <DropdownMenuItem
-                key={template.id}
-                onClick={() => handleCreateFromTemplate(template.id)}
-              >
-                <div className="flex flex-col gap-1 py-1">
-                  <span className="font-medium">{template.title}</span>
-                  <span className="text-xs text-muted-foreground line-clamp-1">
-                    {template.description}
-                  </span>
-                </div>
+        <div className="flex gap-2 w-full sm:w-auto">
+          <Button 
+            variant={selectionMode ? "default" : "outline"}
+            onClick={handleToggleSelectionMode}
+            className="gap-2"
+          >
+            {selectionMode ? (
+              <>
+                <X weight="bold" />
+                Cancel
+              </>
+            ) : (
+              <>
+                <CheckSquare weight="bold" />
+                Select
+              </>
+            )}
+          </Button>
+          <DropdownMenu>
+            <DropdownMenuTrigger asChild>
+              <Button className="gap-2 w-full sm:w-auto">
+                <Plus weight="bold" />
+                {strings.app.header.newSnippetButton}
+                <CaretDown weight="bold" />
+              </Button>
+            </DropdownMenuTrigger>
+            <DropdownMenuContent align="end" className="w-72 max-h-[500px] overflow-y-auto">
+              <DropdownMenuItem onClick={handleCreateNew}>
+                <Plus className="mr-2 h-4 w-4" weight="bold" />
+                Blank Snippet
               </DropdownMenuItem>
-            ))}
-            <DropdownMenuSeparator />
-            <DropdownMenuLabel>JavaScript / TypeScript</DropdownMenuLabel>
-            {templates.filter((t) => ['api', 'basics', 'async', 'types'].includes(t.category)).map((template) => (
-              <DropdownMenuItem
-                key={template.id}
-                onClick={() => handleCreateFromTemplate(template.id)}
-              >
-                <div className="flex flex-col gap-1 py-1">
-                  <span className="font-medium">{template.title}</span>
-                  <span className="text-xs text-muted-foreground line-clamp-1">
-                    {template.description}
-                  </span>
-                </div>
-              </DropdownMenuItem>
-            ))}
-            <DropdownMenuSeparator />
-            <DropdownMenuLabel>CSS Layouts</DropdownMenuLabel>
-            {templates.filter((t) => t.category === 'layout').map((template) => (
-              <DropdownMenuItem
-                key={template.id}
-                onClick={() => handleCreateFromTemplate(template.id)}
-              >
-                <div className="flex flex-col gap-1 py-1">
-                  <span className="font-medium">{template.title}</span>
-                  <span className="text-xs text-muted-foreground line-clamp-1">
-                    {template.description}
-                  </span>
-                </div>
-              </DropdownMenuItem>
-            ))}
-            <DropdownMenuSeparator />
-            <DropdownMenuLabel>Python - Project Euler</DropdownMenuLabel>
-            {templates.filter((t) => t.category === 'euler').map((template) => (
-              <DropdownMenuItem
-                key={template.id}
-                onClick={() => handleCreateFromTemplate(template.id)}
-              >
-                <div className="flex flex-col gap-1 py-1">
-                  <span className="font-medium">{template.title}</span>
-                  <span className="text-xs text-muted-foreground line-clamp-1">
-                    {template.description}
-                  </span>
-                </div>
-              </DropdownMenuItem>
-            ))}
-            <DropdownMenuSeparator />
-            <DropdownMenuLabel>Python - Algorithms</DropdownMenuLabel>
-            {templates.filter((t) => t.category === 'algorithms' && t.language === 'Python').map((template) => (
-              <DropdownMenuItem
-                key={template.id}
-                onClick={() => handleCreateFromTemplate(template.id)}
-              >
-                <div className="flex flex-col gap-1 py-1">
-                  <span className="font-medium">{template.title}</span>
-                  <span className="text-xs text-muted-foreground line-clamp-1">
-                    {template.description}
-                  </span>
-                </div>
-              </DropdownMenuItem>
-            ))}
-            <DropdownMenuSeparator />
-            <DropdownMenuLabel>Python - Interactive Programs</DropdownMenuLabel>
-            {templates.filter((t) => t.category === 'interactive').map((template) => (
-              <DropdownMenuItem
-                key={template.id}
-                onClick={() => handleCreateFromTemplate(template.id)}
-              >
-                <div className="flex flex-col gap-1 py-1">
-                  <span className="font-medium">{template.title}</span>
-                  <span className="text-xs text-muted-foreground line-clamp-1">
-                    {template.description}
-                  </span>
-                </div>
-              </DropdownMenuItem>
-            ))}
-          </DropdownMenuContent>
-        </DropdownMenu>
+              <DropdownMenuSeparator />
+              <DropdownMenuLabel>React Components</DropdownMenuLabel>
+              {templates.filter((t) => t.category === 'react').map((template) => (
+                <DropdownMenuItem
+                  key={template.id}
+                  onClick={() => handleCreateFromTemplate(template.id)}
+                >
+                  <div className="flex flex-col gap-1 py-1">
+                    <span className="font-medium">{template.title}</span>
+                    <span className="text-xs text-muted-foreground line-clamp-1">
+                      {template.description}
+                    </span>
+                  </div>
+                </DropdownMenuItem>
+              ))}
+              <DropdownMenuSeparator />
+              <DropdownMenuLabel>JavaScript / TypeScript</DropdownMenuLabel>
+              {templates.filter((t) => ['api', 'basics', 'async', 'types'].includes(t.category)).map((template) => (
+                <DropdownMenuItem
+                  key={template.id}
+                  onClick={() => handleCreateFromTemplate(template.id)}
+                >
+                  <div className="flex flex-col gap-1 py-1">
+                    <span className="font-medium">{template.title}</span>
+                    <span className="text-xs text-muted-foreground line-clamp-1">
+                      {template.description}
+                    </span>
+                  </div>
+                </DropdownMenuItem>
+              ))}
+              <DropdownMenuSeparator />
+              <DropdownMenuLabel>CSS Layouts</DropdownMenuLabel>
+              {templates.filter((t) => t.category === 'layout').map((template) => (
+                <DropdownMenuItem
+                  key={template.id}
+                  onClick={() => handleCreateFromTemplate(template.id)}
+                >
+                  <div className="flex flex-col gap-1 py-1">
+                    <span className="font-medium">{template.title}</span>
+                    <span className="text-xs text-muted-foreground line-clamp-1">
+                      {template.description}
+                    </span>
+                  </div>
+                </DropdownMenuItem>
+              ))}
+              <DropdownMenuSeparator />
+              <DropdownMenuLabel>Python - Project Euler</DropdownMenuLabel>
+              {templates.filter((t) => t.category === 'euler').map((template) => (
+                <DropdownMenuItem
+                  key={template.id}
+                  onClick={() => handleCreateFromTemplate(template.id)}
+                >
+                  <div className="flex flex-col gap-1 py-1">
+                    <span className="font-medium">{template.title}</span>
+                    <span className="text-xs text-muted-foreground line-clamp-1">
+                      {template.description}
+                    </span>
+                  </div>
+                </DropdownMenuItem>
+              ))}
+              <DropdownMenuSeparator />
+              <DropdownMenuLabel>Python - Algorithms</DropdownMenuLabel>
+              {templates.filter((t) => t.category === 'algorithms' && t.language === 'Python').map((template) => (
+                <DropdownMenuItem
+                  key={template.id}
+                  onClick={() => handleCreateFromTemplate(template.id)}
+                >
+                  <div className="flex flex-col gap-1 py-1">
+                    <span className="font-medium">{template.title}</span>
+                    <span className="text-xs text-muted-foreground line-clamp-1">
+                      {template.description}
+                    </span>
+                  </div>
+                </DropdownMenuItem>
+              ))}
+              <DropdownMenuSeparator />
+              <DropdownMenuLabel>Python - Interactive Programs</DropdownMenuLabel>
+              {templates.filter((t) => t.category === 'interactive').map((template) => (
+                <DropdownMenuItem
+                  key={template.id}
+                  onClick={() => handleCreateFromTemplate(template.id)}
+                >
+                  <div className="flex flex-col gap-1 py-1">
+                    <span className="font-medium">{template.title}</span>
+                    <span className="text-xs text-muted-foreground line-clamp-1">
+                      {template.description}
+                    </span>
+                  </div>
+                </DropdownMenuItem>
+              ))}
+            </DropdownMenuContent>
+          </DropdownMenu>
+        </div>
       </div>
 
+      {selectionMode && (
+        <div className="flex items-center justify-between gap-4 p-4 bg-accent/10 border border-accent/30 rounded-lg">
+          <div className="flex items-center gap-4">
+            <Button
+              variant="outline"
+              size="sm"
+              onClick={handleSelectAll}
+            >
+              {selectedSnippetIds.size === filteredSnippets.length ? 'Deselect All' : 'Select All'}
+            </Button>
+            <span className="text-sm text-muted-foreground">
+              {selectedSnippetIds.size} of {filteredSnippets.length} selected
+            </span>
+          </div>
+          <div className="flex gap-2">
+            <DropdownMenu>
+              <DropdownMenuTrigger asChild>
+                <Button
+                  variant="default"
+                  size="sm"
+                  disabled={selectedSnippetIds.size === 0}
+                  className="gap-2"
+                >
+                  <FolderOpen className="h-4 w-4" />
+                  Move to...
+                  <CaretDown weight="bold" />
+                </Button>
+              </DropdownMenuTrigger>
+              <DropdownMenuContent align="end">
+                {namespaces
+                  .filter(n => n.id !== selectedNamespaceId)
+                  .map((namespace) => (
+                    <DropdownMenuItem
+                      key={namespace.id}
+                      onClick={() => handleBulkMove(namespace.id)}
+                    >
+                      {namespace.name}
+                      {namespace.isDefault && (
+                        <span className="ml-2 text-xs text-muted-foreground">(Default)</span>
+                      )}
+                    </DropdownMenuItem>
+                  ))}
+              </DropdownMenuContent>
+            </DropdownMenu>
+          </div>
+        </div>
+      )}
+
       {filteredSnippets.length === 0 ? (
         <div className="text-center py-20">
           <h3 className="text-2xl font-semibold mb-2">{strings.noResults.title}</h3>
@@ -371,6 +496,9 @@ export function SnippetManager() {
               onCopy={handleCopyCode}
               onView={handleViewSnippet}
               onMove={handleMoveSnippet}
+              selectionMode={selectionMode}
+              isSelected={selectedSnippetIds.has(snippet.id)}
+              onToggleSelect={handleToggleSnippetSelection}
             />
           ))}
         </div>
diff --git a/src/lib/db.ts b/src/lib/db.ts
index 3616038..2818038 100644
--- a/src/lib/db.ts
+++ b/src/lib/db.ts
@@ -1124,6 +1124,26 @@ export async function moveSnippetToNamespace(snippetId: string, targetNamespaceI
   await saveDB()
 }
 
+export async function bulkMoveSnippets(snippetIds: string[], targetNamespaceId: string): Promise<void> {
+  const adapter = getFlaskAdapter()
+  if (adapter) {
+    await adapter.bulkMoveSnippets(snippetIds, targetNamespaceId)
+    return
+  }
+
+  const db = await initDB()
+  const now = Date.now()
+  
+  for (const snippetId of snippetIds) {
+    db.run(
+      'UPDATE snippets SET namespaceId = ?, updatedAt = ? WHERE id = ?',
+      [targetNamespaceId, now, snippetId]
+    )
+  }
+  
+  await saveDB()
+}
+
 export async function validateDatabaseSchema(): Promise<{ valid: boolean; issues: string[] }> {
   try {
     const db = await initDB()
diff --git a/src/lib/storage.ts b/src/lib/storage.ts
index 754a5f2..cde3ff4 100644
--- a/src/lib/storage.ts
+++ b/src/lib/storage.ts
@@ -235,4 +235,18 @@ export class FlaskStorageAdapter {
       throw new Error(`Failed to wipe database: ${response.statusText}`)
     }
   }
+
+  async bulkMoveSnippets(snippetIds: string[], targetNamespaceId: string): Promise<void> {
+    if (!this.isValidUrl()) {
+      throw new Error('Invalid Flask backend URL')
+    }
+    const response = await fetch(`${this.baseUrl}/api/snippets/bulk-move`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ snippetIds, targetNamespaceId })
+    })
+    if (!response.ok) {
+      throw new Error(`Failed to bulk move snippets: ${response.statusText}`)
+    }
+  }
 }