diff --git a/habits.json b/habits.json
index 1ad57b0..cfc7851 100644
--- a/habits.json
+++ b/habits.json
@@ -1 +1 @@
-{"_default": {"1": {"name": "Zocken Mega", "completed_dates": ["2025-07-16", "2025-07-14", "2025-08-01", "2025-08-09", "2025-08-17", "2025-07-15", "2025-07-01", "2025-06-29", "2025-06-19", "2025-06-20"]}}}
\ No newline at end of file
+{"_default": {"1": {"name": "Zocken Mega", "completed_dates": ["2025-07-16", "2025-07-14", "2025-08-01", "2025-08-09", "2025-08-17", "2025-07-15", "2025-07-01", "2025-06-29", "2025-06-19", "2025-06-20", "2025-07-13", "2025-07-12"]}, "2": {"name": "Laufen", "completed_dates": []}}}
\ No newline at end of file
diff --git a/static/css/style.css b/static/css/style.css
index 57908a8..15f805a 100644
--- a/static/css/style.css
+++ b/static/css/style.css
@@ -106,12 +106,16 @@ h1 {
 
 .date-grid {
     display: grid;
-    grid-template-columns: repeat(30, 1fr); /* Adjust based on your date range */
+    grid-template-columns: repeat(30, 1fr);
+    /* Adjust based on your date range */
     gap: 2px;
     padding: 5px 0;
-    overflow-x: auto; /* Enable horizontal scrolling if dates exceed width */
-    -ms-overflow-style: none;  /* IE and Edge */
-    scrollbar-width: none;  /* Firefox */
+    overflow-x: auto;
+    /* Enable horizontal scrolling if dates exceed width */
+    -ms-overflow-style: none;
+    /* IE and Edge */
+    scrollbar-width: none;
+    /* Firefox */
 }
 
 /* Hide scrollbar for Chrome, Safari and Opera */
@@ -120,7 +124,8 @@ h1 {
 }
 
 .date-square {
-    width: 15px; /* Adjust size as needed */
+    width: 15px;
+    /* Adjust size as needed */
     height: 15px;
     background-color: #555;
     border-radius: 2px;
@@ -133,15 +138,22 @@ h1 {
 
 /* Modal Styles */
 .modal {
-    display: none; /* Hidden by default */
-    position: fixed; /* Stay in place */
-    z-index: 1; /* Sit on top */
+    display: none;
+    /* Hidden by default */
+    position: fixed;
+    /* Stay in place */
+    z-index: 1;
+    /* Sit on top */
     left: 0;
     top: 0;
-    width: 100%; /* Full width */
-    height: 100%; /* Full height */
-    overflow: auto; /* Enable scroll if needed */
-    background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
+    width: 100%;
+    /* Full width */
+    height: 100%;
+    /* Full height */
+    overflow: auto;
+    /* Enable scroll if needed */
+    background-color: rgba(0, 0, 0, 0.4);
+    /* Black w/ opacity */
     justify-content: center;
     align-items: center;
 }
@@ -153,7 +165,7 @@ h1 {
     border-radius: 10px;
     width: 80%;
     max-width: 500px;
-    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
+    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
     position: relative;
 }
 
@@ -223,7 +235,8 @@ h1 {
 
 .date-grid-modal {
     display: grid;
-    grid-template-columns: repeat(7, 1fr); /* 7 days a week */
+    grid-template-columns: repeat(7, 1fr);
+    /* 7 days a week */
     gap: 5px;
     margin-bottom: 20px;
 }
@@ -242,7 +255,8 @@ h1 {
 }
 
 .date-cell.today {
-    border: 2px solid #007bff; /* Highlight today */
+    border: 2px solid #007bff;
+    /* Highlight today */
 }
 
 .date-cell.empty {
@@ -250,6 +264,30 @@ h1 {
     cursor: default;
 }
 
+.streak-container {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    margin-top: 10px;
+    padding: 5px;
+    background-color: #444;
+    border-radius: 15px;
+    width: fit-content;
+    margin-left: auto;
+    margin-right: auto;
+}
+
+.flame-icon {
+    font-size: 1.2em;
+    margin-right: 5px;
+}
+
+.streak-count {
+    color: #e0e0e0;
+    font-size: 0.9em;
+    font-weight: bold;
+}
+
 .modal-actions {
     display: flex;
     justify-content: space-around;
diff --git a/static/js/script.js b/static/js/script.js
index 6b99540..24af1bc 100644
--- a/static/js/script.js
+++ b/static/js/script.js
@@ -34,6 +34,38 @@ function getPastDates(days) {
     return dates;
 }
 
+function calculateStreak(completedDates) {
+    if (!completedDates || completedDates.length === 0) {
+        return 0;
+    }
+    
+    // Sort dates in descending order (newest first)
+    const sortedDates = completedDates.sort((a, b) => new Date(b) - new Date(a));
+    const today = getCurrentDate();
+    
+    let streak = 0;
+    let currentDate = new Date();
+    
+    // Check if today is completed, if not, start from yesterday
+    if (!sortedDates.includes(today)) {
+        currentDate.setDate(currentDate.getDate() - 1);
+    }
+    
+    // Count consecutive days backwards from today (or yesterday)
+    while (true) {
+        const dateStr = `${currentDate.getFullYear()}-${String(currentDate.getMonth() + 1).padStart(2, '0')}-${String(currentDate.getDate()).padStart(2, '0')}`;
+        
+        if (sortedDates.includes(dateStr)) {
+            streak++;
+            currentDate.setDate(currentDate.getDate() - 1);
+        } else {
+            break;
+        }
+    }
+    
+    return streak;
+}
+
 async function fetchHabits() {
     try {
         const response = await fetch('/habits');
@@ -95,6 +127,23 @@ function renderHabits(habits) {
         });
         habitItem.appendChild(dateGrid);
 
+        // Streak Counter hinzufügen
+        const streakContainer = document.createElement('div');
+        streakContainer.className = 'streak-container';
+        
+        const flameIcon = document.createElement('span');
+        flameIcon.className = 'flame-icon';
+        flameIcon.innerHTML = '🔥'; // Flammen-Emoji
+        
+        const streakCount = document.createElement('span');
+        streakCount.className = 'streak-count';
+        const currentStreak = calculateStreak(habit.completed_dates);
+        streakCount.textContent = `${currentStreak} Tag${currentStreak !== 1 ? 'e' : ''}`;
+        
+        streakContainer.appendChild(flameIcon);
+        streakContainer.appendChild(streakCount);
+        habitItem.appendChild(streakContainer);
+
         habitListDiv.appendChild(habitItem);
     });
 }