diff --git a/static/papermod/index.html b/static/papermod/index.html
index 761e6e3..ef9a5cf 100644
--- a/static/papermod/index.html
+++ b/static/papermod/index.html
@@ -158,6 +158,14 @@
             <label for="date">start date:</label>
             <input id="settings-date" type="date" name="date">
         </div>
+        <div>
+            <label for="settings-has-week">show week number</label>
+            <input id="settings-has-week" type="checkbox" name="settings-has-week" checked>
+        </div>
+        <div>
+            <label for="settings-start-monday">always start on monday</label>
+            <input id="settings-start-monday" type="checkbox" name="settings-start-monday" checked>
+        </div>
         <div>
             <label for="name">name:</label>
             <input id="settings-name" type="text" name="name">
@@ -167,6 +175,7 @@
             <input id="settings-contact" type="text" name="contact">
         </div>
         <button id="settings-update">generate</button>
+        <button id="settings-clear">clear all</button>
     </div>
     <div id="document">
         <div class="page">
@@ -306,7 +315,6 @@
     </div>
     <script>
         const elDate = document.querySelector('#settings-date');
-        const elButton = document.querySelector('#settings-update');
 
         const weekday = [
             'sunday', 'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday',
@@ -323,10 +331,16 @@
 
             let startDate = new Date(elDate.value);
             if (isNaN(startDate)) startDate = new Date();
+            if (document.querySelector('#settings-start-monday').checked) {
+                startDate.setDate(startDate.getDate() - startDate.getDay() + 1);
+            }
             let d;
 
             startDate.setHours(12); // I don't care about the time zone
-            document.querySelector('.week').textContent = startDate.getFullYear() + "W" + getWeek(startDate);
+            document.querySelector('.week').textContent = startDate.getFullYear();
+            if (document.querySelector('#settings-has-week').checked) {
+                document.querySelector('.week').textContent += `W${getWeek(startDate)}`;
+            }
 
             const mm1 = startDate.getMonth() + 1;
             const dd1 = startDate.getDate();
@@ -355,7 +369,15 @@
             }
         }
 
-        elButton.onclick = update;
+        function clear() {
+            document.querySelector('.week').textContent = '';
+            document.querySelector('.date').textContent = '';
+            document.querySelectorAll('td').forEach(el => el.innerHTML = '&nbsp;');
+        }
+
+        document.querySelector('#settings-update').onclick = update;
+        document.querySelector('#settings-clear').onclick = clear;
+        update();
     </script>
 </body>
 </html>
\ No newline at end of file