diff --git a/client/src/components/TaskCard.tsx b/client/src/components/TaskCard.tsx
index 231dbcd..1f804d3 100644
--- a/client/src/components/TaskCard.tsx
+++ b/client/src/components/TaskCard.tsx
@@ -13,6 +13,11 @@ import { Clock, Calendar, Play, Pause, MoreHorizontal, Edit, Trash2, Timer, Chec
 import { Task, Label } from '@shared/schema';
 import { useQuery } from '@tanstack/react-query';
 import { Checkbox } from "@/components/ui/checkbox";
+import {
+  Tooltip,
+  TooltipContent,
+  TooltipTrigger,
+} from "@/components/ui/tooltip";
 
 interface TaskCardProps {
   task: Task;
@@ -98,12 +103,19 @@ export default function TaskCard({ task, onStartTimer, onStopTimer, onEdit, onDe
     >
       <div className="flex items-start gap-3">
         {/* Checkbox for quick completion */}
-        <Checkbox
-          checked={task.status === 'done'}
-          onClick={handleToggleComplete}
-          data-testid={`checkbox-complete-${task.id}`}
-          className="mt-0.5"
-        />
+        <Tooltip>
+          <TooltipTrigger asChild>
+            <Checkbox
+              checked={task.status === 'done'}
+              onClick={handleToggleComplete}
+              data-testid={`checkbox-complete-${task.id}`}
+              className="mt-0.5"
+            />
+          </TooltipTrigger>
+          <TooltipContent>
+            <p>{t('taskCard.toggleComplete')}</p>
+          </TooltipContent>
+        </Tooltip>
         
         <div 
           className="flex-1 min-w-0 cursor-pointer"
@@ -165,18 +177,25 @@ export default function TaskCard({ task, onStartTimer, onStopTimer, onEdit, onDe
         <div className="flex items-start gap-1">
           {/* Quick delete button */}
           {onDelete && (
-            <Button
-              size="icon"
-              variant="ghost"
-              onClick={(e) => {
-                e.stopPropagation();
-                onDelete();
-              }}
-              data-testid={`button-delete-${task.id}`}
-              className="w-6 h-6 text-muted-foreground hover:text-destructive"
-            >
-              <X className="w-3 h-3" />
-            </Button>
+            <Tooltip>
+              <TooltipTrigger asChild>
+                <Button
+                  size="icon"
+                  variant="ghost"
+                  onClick={(e) => {
+                    e.stopPropagation();
+                    onDelete();
+                  }}
+                  data-testid={`button-delete-${task.id}`}
+                  className="w-6 h-6 text-muted-foreground hover:text-destructive"
+                >
+                  <X className="w-3 h-3" />
+                </Button>
+              </TooltipTrigger>
+              <TooltipContent>
+                <p>{t('taskCard.quickDelete')}</p>
+              </TooltipContent>
+            </Tooltip>
           )}
           
           <DropdownMenu>
diff --git a/client/src/i18n/locales/de.json b/client/src/i18n/locales/de.json
index c44a8c2..dfa439a 100644
--- a/client/src/i18n/locales/de.json
+++ b/client/src/i18n/locales/de.json
@@ -70,6 +70,8 @@
     "moveToTodo": "Zu erledigen verschieben",
     "reopenTask": "Aufgabe erneut öffnen",
     "deleteTask": "Aufgabe löschen",
+    "quickDelete": "Schnell löschen",
+    "toggleComplete": "Aufgabe als erledigt/unerledigt markieren",
     "running": "läuft",
     "overdue": "Überfällig",
     "timeTracked": "{{hours}}Std {{minutes}}Min erfasst"
diff --git a/client/src/i18n/locales/en.json b/client/src/i18n/locales/en.json
index 3793589..5ca2a61 100644
--- a/client/src/i18n/locales/en.json
+++ b/client/src/i18n/locales/en.json
@@ -70,6 +70,8 @@
     "moveToTodo": "Move to Todo",
     "reopenTask": "Reopen Task",
     "deleteTask": "Delete Task",
+    "quickDelete": "Quick delete",
+    "toggleComplete": "Mark task as complete/incomplete",
     "running": "running",
     "overdue": "Overdue",
     "timeTracked": "{{hours}}h {{minutes}}m tracked"