diff --git a/resources/js/components/certificate.tsx b/resources/js/components/certificate.tsx
index 07ce7a01..937db828 100644
--- a/resources/js/components/certificate.tsx
+++ b/resources/js/components/certificate.tsx
@@ -43,19 +43,19 @@ const Certificate = ({ course, watchHistory }: { course: Course; watchHistory: W
 
       drawCertificate(ctx, dimensions);
 
-      canvas.toBlob((blob) => {
+             canvas.toBlob((blob) => {
          if (!blob) return;
 
          const url = URL.createObjectURL(blob);
          const a = document.createElement('a');
          a.href = url;
-         a.download = `${studentName}_${courseName}_Certificate.png`;
+             a.download = `${studentName}_${courseName}_Zertifikat.png`;
          document.body.appendChild(a);
          a.click();
          document.body.removeChild(a);
          URL.revokeObjectURL(url);
 
-         toast.success(frontend.png_certificate_saved);
+             toast.success(frontend.png_certificate_saved);
       }, 'image/png');
    };
 
@@ -86,7 +86,7 @@ const Certificate = ({ course, watchHistory }: { course: Course; watchHistory: W
       pdf.addImage(imgData, 'PNG', 0, 0, dimensions.width, dimensions.height);
 
       // Save the PDF
-      pdf.save(`${studentName}_${courseName}_Certificate.pdf`);
+      pdf.save(`${studentName}_${courseName}_Zertifikat.pdf`);
 
       toast.success(frontend.pdf_certificate_saved);
    };
@@ -253,21 +253,21 @@ const Certificate = ({ course, watchHistory }: { course: Course; watchHistory: W
                      <RadioGroupItem className="cursor-pointer" value="png" id="png" />
                      <Label htmlFor="png" className="flex cursor-pointer items-center gap-2">
                         <FileImage className="h-4 w-4" />
-                        PNG Image
+                        PNG-Bild
                      </Label>
                   </div>
                   <div className="flex items-center space-x-2">
                      <RadioGroupItem className="cursor-pointer" value="pdf" id="pdf" />
                      <Label htmlFor="pdf" className="flex cursor-pointer items-center gap-2">
                         <FileText className="h-4 w-4" />
-                        PDF Document
+                        PDF-Dokument
                      </Label>
                   </div>
                </RadioGroup>
 
                <Button variant="outline" className="w-full" onClick={handleDownloadCertificate}>
                   <Download className="mr-2 h-4 w-4" />
-                  Download as {downloadFormat.toUpperCase()}
+                  Herunterladen als {downloadFormat.toUpperCase()}
                </Button>
             </div>
          </Card>
diff --git a/resources/js/components/dynamic-certificate.tsx b/resources/js/components/dynamic-certificate.tsx
index ad4637b9..ff06891b 100644
--- a/resources/js/components/dynamic-certificate.tsx
+++ b/resources/js/components/dynamic-certificate.tsx
@@ -68,13 +68,13 @@ const DynamicCertificate = ({ template, courseName, studentName, completionDate
          const url = URL.createObjectURL(blob);
          const a = document.createElement('a');
          a.href = url;
-         a.download = `${studentName}_${courseName}_Certificate.png`;
+         a.download = `${studentName}_${courseName}_Zertifikat.png`;
          document.body.appendChild(a);
          a.click();
          document.body.removeChild(a);
          URL.revokeObjectURL(url);
 
-         toast.success('Certificate saved as PNG!');
+         toast.success('Zertifikat als PNG gespeichert!');
       }, 'image/png');
    };
 
@@ -111,7 +111,7 @@ const DynamicCertificate = ({ template, courseName, studentName, completionDate
       pdf.addImage(imgData, 'PNG', 0, 0, dimensions.width, dimensions.height);
       pdf.save(`${studentName}_${courseName}_Certificate.pdf`);
 
-      toast.success('Certificate saved as PDF!');
+      toast.success('Zertifikat als PDF gespeichert!');
    };
 
    const wrapText = (ctx: CanvasRenderingContext2D, text: string, x: number, y: number, maxWidth: number, lineHeight: number) => {
@@ -228,7 +228,7 @@ const DynamicCertificate = ({ template, courseName, studentName, completionDate
       // Completion date
       ctx.font = `18px ${template_data.fontFamily}`;
       ctx.fillStyle = template_data.secondaryColor;
-      ctx.fillText(`Completed on: ${completionDate}`, dimensions.width / 2, currentY);
+      ctx.fillText(`Abgeschlossen am: ${completionDate}`, dimensions.width / 2, currentY);
       currentY += 60;
 
       // Footer
@@ -346,14 +346,14 @@ const DynamicCertificate = ({ template, courseName, studentName, completionDate
                            color: template_data.secondaryColor,
                         }}
                      />
-                     <p
-                        className="text-muted-foreground font-serif text-sm"
-                        style={{
-                           color: template_data.secondaryColor,
-                        }}
-                     >
-                        Completed on: {completionDate}
-                     </p>
+                        <p
+                           className="text-muted-foreground font-serif text-sm"
+                           style={{
+                              color: template_data.secondaryColor,
+                           }}
+                        >
+                           Abgeschlossen am: {completionDate}
+                        </p>
                   </div>
                </div>
 
@@ -382,21 +382,21 @@ const DynamicCertificate = ({ template, courseName, studentName, completionDate
                   <RadioGroupItem className="cursor-pointer" value="png" id="png" />
                   <Label htmlFor="png" className="flex cursor-pointer items-center gap-2">
                      <FileImage className="h-4 w-4" />
-                     PNG Image
+                     PNG-Bild
                   </Label>
                </div>
                <div className="flex items-center space-x-2">
                   <RadioGroupItem className="cursor-pointer" value="pdf" id="pdf" />
                   <Label htmlFor="pdf" className="flex cursor-pointer items-center gap-2">
                      <FileText className="h-4 w-4" />
-                     PDF Document
+                     PDF-Dokument
                   </Label>
                </div>
             </RadioGroup>
 
             <Button variant="outline" className="w-full" onClick={handleDownloadCertificate}>
                <Download className="mr-2 h-4 w-4" />
-               Download as {downloadFormat.toUpperCase()}
+               Herunterladen als {downloadFormat.toUpperCase()}
             </Button>
          </div>
       </Card>
diff --git a/resources/js/components/dynamic-marksheet.tsx b/resources/js/components/dynamic-marksheet.tsx
index e4210393..6a91653a 100644
--- a/resources/js/components/dynamic-marksheet.tsx
+++ b/resources/js/components/dynamic-marksheet.tsx
@@ -69,13 +69,13 @@ const DynamicMarksheet = ({ template, courseName, studentName, completionDate, s
          const url = URL.createObjectURL(blob);
          const a = document.createElement('a');
          a.href = url;
-         a.download = `${studentName}_${courseName}_Marksheet.png`;
+         a.download = `${studentName}_${courseName}_Notenblatt.png`;
          document.body.appendChild(a);
          a.click();
          document.body.removeChild(a);
          URL.revokeObjectURL(url);
 
-         toast.success('Marksheet saved as PNG!');
+         toast.success('Notenblatt als PNG gespeichert!');
       }, 'image/png');
    };
 
@@ -110,9 +110,9 @@ const DynamicMarksheet = ({ template, courseName, studentName, completionDate, s
 
       const imgData = canvas.toDataURL('image/png');
       pdf.addImage(imgData, 'PNG', 0, 0, dimensions.width, dimensions.height);
-      pdf.save(`${studentName}_${courseName}_Marksheet.pdf`);
+      pdf.save(`${studentName}_${courseName}_Notenblatt.pdf`);
 
-      toast.success('Marksheet saved as PDF!');
+      toast.success('Notenblatt als PDF gespeichert!');
    };
 
    const drawMarksheet = async (
@@ -174,7 +174,7 @@ const DynamicMarksheet = ({ template, courseName, studentName, completionDate, s
       // Column 1 - Student Name
       ctx.font = `16px ${template_data.fontFamily}`;
       ctx.fillStyle = template_data.secondaryColor;
-      ctx.fillText('Student Name', col1X, currentY);
+      ctx.fillText('Name des Studierenden', col1X, currentY);
 
       ctx.font = `bold 20px ${template_data.fontFamily}`;
       ctx.fillStyle = template_data.primaryColor;
@@ -183,7 +183,7 @@ const DynamicMarksheet = ({ template, courseName, studentName, completionDate, s
       // Column 2 - Course
       ctx.font = `16px ${template_data.fontFamily}`;
       ctx.fillStyle = template_data.secondaryColor;
-      ctx.fillText('Course', col2X, currentY);
+      ctx.fillText('Kurs', col2X, currentY);
 
       ctx.font = `bold 20px ${template_data.fontFamily}`;
       ctx.fillStyle = template_data.primaryColor;
@@ -215,7 +215,7 @@ const DynamicMarksheet = ({ template, courseName, studentName, completionDate, s
       // Column 1 - Completion Date
       ctx.font = `16px ${template_data.fontFamily}`;
       ctx.fillStyle = template_data.secondaryColor;
-      ctx.fillText('Completion Date', col1X, currentY);
+      ctx.fillText('Abschlussdatum', col1X, currentY);
 
       ctx.font = `18px ${template_data.fontFamily}`;
       ctx.fillStyle = template_data.primaryColor;
@@ -224,7 +224,7 @@ const DynamicMarksheet = ({ template, courseName, studentName, completionDate, s
       // Column 2 - Overall Grade
       ctx.font = `16px ${template_data.fontFamily}`;
       ctx.fillStyle = template_data.secondaryColor;
-      ctx.fillText('Overall Grade', col2X, currentY);
+      ctx.fillText('Gesamtnote', col2X, currentY);
 
       ctx.font = `bold 20px ${template_data.fontFamily}`;
       ctx.fillStyle = template_data.primaryColor;
@@ -236,7 +236,7 @@ const DynamicMarksheet = ({ template, courseName, studentName, completionDate, s
       ctx.textAlign = 'left';
       ctx.font = `bold 22px ${template_data.fontFamily}`;
       ctx.fillStyle = template_data.primaryColor;
-      ctx.fillText('Exam Type', leftMargin, currentY);
+      ctx.fillText('Prüfungsart', leftMargin, currentY);
       currentY += 35;
 
       // Table Header Background
@@ -247,9 +247,9 @@ const DynamicMarksheet = ({ template, courseName, studentName, completionDate, s
       // Table Headers
       ctx.font = `bold 18px ${template_data.fontFamily}`;
       ctx.fillStyle = template_data.primaryColor;
-      ctx.fillText('Exam Type', leftMargin + 15, currentY + 28);
+      ctx.fillText('Prüfungsart', leftMargin + 15, currentY + 28);
       ctx.textAlign = 'right';
-      ctx.fillText('Total Marks', rightMargin - 15, currentY + 28);
+      ctx.fillText('Gesamtpunkte', rightMargin - 15, currentY + 28);
 
       // Table Border
       ctx.strokeStyle = template_data.borderColor;
@@ -264,7 +264,7 @@ const DynamicMarksheet = ({ template, courseName, studentName, completionDate, s
       ctx.textAlign = 'left';
       ctx.font = `18px ${template_data.fontFamily}`;
       ctx.fillStyle = template_data.secondaryColor;
-      ctx.fillText('Assignment', leftMargin + 15, currentY + 28);
+      ctx.fillText('Aufgabe', leftMargin + 15, currentY + 28);
 
       ctx.textAlign = 'right';
       ctx.font = `bold 18px ${template_data.fontFamily}`;
@@ -373,13 +373,13 @@ const DynamicMarksheet = ({ template, courseName, studentName, completionDate, s
                <div className="mb-6 grid grid-cols-2 gap-4">
                   <div>
                      <p
-                        className="text-sm"
-                        style={{
-                           color: template_data.secondaryColor,
-                        }}
-                     >
-                        Student Name
-                     </p>
+                           className="text-sm"
+                           style={{
+                              color: template_data.secondaryColor,
+                           }}
+                        >
+                           Name des Studierenden
+                        </p>
                      <p
                         className="text-lg font-semibold"
                         style={{
@@ -396,7 +396,7 @@ const DynamicMarksheet = ({ template, courseName, studentName, completionDate, s
                            color: template_data.secondaryColor,
                         }}
                      >
-                        Course
+                        Kurs
                      </p>
                      <p
                         className="text-lg font-semibold"
@@ -408,14 +408,14 @@ const DynamicMarksheet = ({ template, courseName, studentName, completionDate, s
                      </p>
                   </div>
                   <div>
-                     <p
-                        className="text-sm"
-                        style={{
-                           color: template_data.secondaryColor,
-                        }}
-                     >
-                        Completion Date
-                     </p>
+                        <p
+                           className="text-sm"
+                           style={{
+                              color: template_data.secondaryColor,
+                           }}
+                        >
+                           Abschlussdatum
+                        </p>
                      <div className="flex items-center gap-2">
                         <Calendar
                            className="h-4 w-4"
@@ -434,14 +434,14 @@ const DynamicMarksheet = ({ template, courseName, studentName, completionDate, s
                      </div>
                   </div>
                   <div>
-                     <p
-                        className="text-sm"
-                        style={{
-                           color: template_data.secondaryColor,
-                        }}
-                     >
-                        Overall Grade
-                     </p>
+                        <p
+                           className="text-sm"
+                           style={{
+                              color: template_data.secondaryColor,
+                           }}
+                        >
+                           Gesamtnote
+                        </p>
                      <p
                         className="text-2xl font-bold"
                         style={{
@@ -569,21 +569,21 @@ const DynamicMarksheet = ({ template, courseName, studentName, completionDate, s
                   <RadioGroupItem className="cursor-pointer" value="png" id="marksheet-png" />
                   <Label htmlFor="marksheet-png" className="flex cursor-pointer items-center gap-2">
                      <FileImage className="h-4 w-4" />
-                     PNG Image
+                     PNG-Bild
                   </Label>
                </div>
                <div className="flex items-center space-x-2">
                   <RadioGroupItem className="cursor-pointer" value="pdf" id="marksheet-pdf" />
                   <Label htmlFor="marksheet-pdf" className="flex cursor-pointer items-center gap-2">
                      <FileText className="h-4 w-4" />
-                     PDF Document
+                     PDF-Dokument
                   </Label>
                </div>
             </RadioGroup>
 
             <Button variant="outline" className="w-full" onClick={handleDownloadMarksheet}>
                <Download className="mr-2 h-4 w-4" />
-               Download as {downloadFormat.toUpperCase()}
+               Herunterladen als {downloadFormat.toUpperCase()}
             </Button>
          </div>
       </Card>
diff --git a/resources/js/pages/course-player/partials/certificate.tsx b/resources/js/pages/course-player/partials/certificate.tsx
index 074eca40..fc5ac4b7 100644
--- a/resources/js/pages/course-player/partials/certificate.tsx
+++ b/resources/js/pages/course-player/partials/certificate.tsx
@@ -43,13 +43,13 @@ const Certificate = () => {
 
       drawCertificate(ctx, dimensions);
 
-      canvas.toBlob((blob) => {
+             canvas.toBlob((blob) => {
          if (!blob) return;
 
          const url = URL.createObjectURL(blob);
          const a = document.createElement('a');
          a.href = url;
-         a.download = `${studentName}_${courseName}_Certificate.png`;
+             a.download = `${studentName}_${courseName}_Zertifikat.png`;
          document.body.appendChild(a);
          a.click();
          document.body.removeChild(a);
@@ -86,7 +86,7 @@ const Certificate = () => {
       pdf.addImage(imgData, 'PNG', 0, 0, dimensions.width, dimensions.height);
 
       // Save the PDF
-      pdf.save(`${studentName}_${courseName}_Certificate.pdf`);
+      pdf.save(`${studentName}_${courseName}_Zertifikat.pdf`);
 
       toast.success(frontend.pdf_certificate_saved);
    };
@@ -255,21 +255,21 @@ const Certificate = () => {
                      <RadioGroupItem className="cursor-pointer" value="png" id="png" />
                      <Label htmlFor="png" className="flex cursor-pointer items-center gap-2">
                         <FileImage className="h-4 w-4" />
-                        PNG Image
+                        PNG-Bild
                      </Label>
                   </div>
                   <div className="flex items-center space-x-2">
                      <RadioGroupItem className="cursor-pointer" value="pdf" id="pdf" />
                      <Label htmlFor="pdf" className="flex cursor-pointer items-center gap-2">
                         <FileText className="h-4 w-4" />
-                        PDF Document
+                        PDF-Dokument
                      </Label>
                   </div>
                </RadioGroup>
 
                <Button variant="outline" className="w-full" onClick={handleDownloadCertificate}>
                   <Download className="mr-2 h-4 w-4" />
-                  Download as {downloadFormat.toUpperCase()}
+                  Herunterladen als {downloadFormat.toUpperCase()}
                </Button>
             </div>
          </Card>
diff --git a/resources/js/pages/student/course.tsx b/resources/js/pages/student/course.tsx
index 3a0bef50..76198157 100644
--- a/resources/js/pages/student/course.tsx
+++ b/resources/js/pages/student/course.tsx
@@ -32,7 +32,7 @@ const Course = (props: StudentCourseProps) => {
       },
       {
          value: 'quizzes',
-         label: 'Tests',
+         label: 'Quizze',
       },
       {
          value: 'resources',
diff --git a/resources/js/pages/student/partials/quiz-result-dialog.tsx b/resources/js/pages/student/partials/quiz-result-dialog.tsx
index 24f96248..ba8c44dd 100644
--- a/resources/js/pages/student/partials/quiz-result-dialog.tsx
+++ b/resources/js/pages/student/partials/quiz-result-dialog.tsx
@@ -74,7 +74,7 @@ const QuizResultDialog = ({ quiz, submission }: Props) => {
                         <Award className={`h-8 w-8 ${isPassed ? 'text-green-500' : 'text-red-500'}`} />
                         <div>
                            <p className="text-2xl font-bold">{percentage}%</p>
-                           <p className="text-muted-foreground text-xs">Total Score</p>
+                           <p className="text-muted-foreground text-xs">Gesamtpunktzahl</p>
                         </div>
                      </CardContent>
                   </Card>
@@ -114,7 +114,7 @@ const QuizResultDialog = ({ quiz, submission }: Props) => {
 
                {/* Questions and Answers */}
                <div className="mt-6 space-y-4">
-                  <h3 className="text-lg font-semibold">Quiz Questions</h3>
+                     <h3 className="text-lg font-semibold">Quizfragen</h3>
 
                   {quiz.quiz_questions &&
                      quiz.quiz_questions.map((question, index) => {
@@ -136,7 +136,7 @@ const QuizResultDialog = ({ quiz, submission }: Props) => {
                                     </div>
                                     <Badge variant={isCorrect ? 'default' : 'destructive'} className="ml-2">
                                        {isCorrect ? <CheckCircle2 className="mr-1 h-3 w-3" /> : <XCircle className="mr-1 h-3 w-3" />}
-                                       {isCorrect ? 'Correct' : 'Wrong'}
+                                       {isCorrect ? 'Richtig' : 'Falsch'}
                                     </Badge>
                                  </div>
 
@@ -163,7 +163,7 @@ const QuizResultDialog = ({ quiz, submission }: Props) => {
                                                    <div className="flex gap-2">
                                                       {isUserAnswer && (
                                                          <Badge variant="outline" className="text-xs">
-                                                            Your Answer
+                                                            Deine Antwort
                                                          </Badge>
                                                       )}
                                                       {isCorrectAnswer && <CheckCircle2 className="h-4 w-4 text-green-600" />}
@@ -178,13 +178,13 @@ const QuizResultDialog = ({ quiz, submission }: Props) => {
                                  {/* Boolean type */}
                                  {question.type === 'boolean' && (
                                     <div className="space-y-2">
-                                       {['True', 'False'].map((option) => {
-                                          const isUserAnswer = userAnswers.includes(option);
-                                          const isCorrectAnswer = correctAnswers.includes(option);
+                                       {[{ value: 'True', label: 'Wahr' }, { value: 'False', label: 'Falsch' }].map((option) => {
+                                          const isUserAnswer = userAnswers.includes(option.value);
+                                          const isCorrectAnswer = correctAnswers.includes(option.value);
 
                                           return (
                                              <div
-                                                key={option}
+                                                key={option.value}
                                                 className={`rounded-md border p-3 ${
                                                    isCorrectAnswer
                                                       ? 'border-green-500 bg-green-50 dark:bg-green-950/20'
@@ -194,11 +194,11 @@ const QuizResultDialog = ({ quiz, submission }: Props) => {
                                                 }`}
                                              >
                                                 <div className="flex items-center justify-between">
-                                                   <span>{option}</span>
+                                                   <span>{option.label}</span>
                                                    <div className="flex gap-2">
                                                       {isUserAnswer && (
                                                          <Badge variant="outline" className="text-xs">
-                                                            Your Answer
+                                                            Deine Antwort
                                                          </Badge>
                                                       )}
                                                       {isCorrectAnswer && <CheckCircle2 className="h-4 w-4 text-green-600" />}