diff --git a/clean-watch-later.js b/clean-watch-later.js
new file mode 100644
index 0000000..5f09627
--- /dev/null
+++ b/clean-watch-later.js
@@ -0,0 +1,43 @@
+setInterval(function() {
+    // Click on the treedots of first video in the list
+    document.querySelector('#contents button#button').click();
+
+    // Click on the "Save to playlist" button
+    var save2playlist = document.evaluate('//yt-formatted-string[contains(text(),"Save to playlist")]',document,null,XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,null);
+    save2playlist.snapshotItem(0).click();
+
+    // search playlist with name wel
+    var checkboxLabel = document.evaluate(
+        '//tp-yt-paper-checkbox[@id="checkbox" and .//text()[contains(., "wel")]]',
+        document,
+        null,
+        XPathResult.FIRST_ORDERED_NODE_TYPE,
+        null
+    ).singleNodeValue;
+
+    if (checkboxLabel) {
+        // Check if the descendant with id "checkmark" does not have the class "hidden"
+        var checkmarkDescendant = checkboxLabel.querySelector('div#checkmark');
+
+        if (checkmarkDescendant && checkmarkDescendant.classList.contains('hidden')) {
+            // Click on the checkboxLabel
+            checkboxLabel.click();
+            console.log('Added video to playlist.');
+        }
+        else {
+            console.log('Video is already in the playlist.');
+        }
+    }
+
+    // Wait for a second before the second click
+    setTimeout(function() {
+        document.querySelector('#contents button#button').click();
+    }, 2000);
+
+    // Click on the "Remove from watch later" button
+    var things = document.evaluate('//span[contains(text(),"Watch later")]',document,null,XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,null);
+    for (var i = 0; i < things.snapshotLength; i++) {
+        things.snapshotItem(i).click();
+    }
+
+}, 2000);