diff --git a/copyparty/web/up2k.js b/copyparty/web/up2k.js
index e2d12ed9..b597f56f 100644
--- a/copyparty/web/up2k.js
+++ b/copyparty/web/up2k.js
@@ -201,6 +201,7 @@ function up2k_init(have_crypto) {
 
     var parallel_uploads = cfg_get('nthread');
     var multitask = bcfg_get('multitask', true);
+    var ask_up = bcfg_get('ask_up', true);
 
     var col_hashing = '#00bbff';
     var col_hashed = '#004466';
@@ -297,7 +298,7 @@ function up2k_init(have_crypto) {
         for (var a = 0; a < good_files.length; a++)
             msg.push(good_files[a].name);
 
-        if (!confirm(msg.join('\n')))
+        if (ask_up && !confirm(msg.join('\n')))
             return;
 
         for (var a = 0; a < good_files.length; a++) {
@@ -839,6 +840,11 @@ function up2k_init(have_crypto) {
         bcfg_set('multitask', multitask);
     }
 
+    function tgl_ask_up() {
+        ask_up = !ask_up;
+        bcfg_set('ask_up', ask_up);
+    }
+
     function nop(ev) {
         ev.preventDefault();
         this.click();
@@ -855,6 +861,7 @@ function up2k_init(have_crypto) {
 
     ebi('nthread').addEventListener('input', bumpthread, false);
     ebi('multitask').addEventListener('click', tgl_multitask, false);
+    ebi('ask_up').addEventListener('click', tgl_ask_up, false);
 
     var nodes = ebi('u2conf').getElementsByTagName('a');
     for (var a = nodes.length - 1; a >= 0; a--)
diff --git a/copyparty/web/upload.css b/copyparty/web/upload.css
index 8ed73502..2355d0ce 100644
--- a/copyparty/web/upload.css
+++ b/copyparty/web/upload.css
@@ -194,6 +194,12 @@
 #u2conf input+a {
 	background: #d80;
 }
+#u2conf input[type="checkbox"]+label {
+	color: #f5a;
+}
+#u2conf input[type="checkbox"]:checked+label {
+	color: #fc5;
+}
 #u2foot {
 	color: #fff;
 	font-style: italic;
diff --git a/copyparty/web/upload.html b/copyparty/web/upload.html
index c4c5d3ef..8fbac2ab 100644
--- a/copyparty/web/upload.html
+++ b/copyparty/web/upload.html
@@ -43,10 +43,14 @@
                         <input class="txtbox" id="nthread" value="2" />
                         <a href="#" id="nthread_add">+</a>
                     </td>
-                    <td rowspan="2">
+                    <td rowspan="2" style="padding-left:1.5em">
                         <input type="checkbox" id="multitask" />
                         <label for="multitask">hash while<br />uploading</label>
                     </td>
+                    <td rowspan="2">
+                        <input type="checkbox" id="ask_up" />
+                        <label for="ask_up">ask for<br />confirmation</label>
+                    </td>
                 </tr>
             </table>