diff --git a/index.html b/index.html
index 94ebfdb..fc4e2bc 100644
--- a/index.html
+++ b/index.html
@@ -31,6 +31,8 @@
 
 		<div id="notepage">
 
+			<div id="unsavedmark" hidden>•</div>
+
 			<div id="topbar" onclick="ontopbarclick()">
 				<input id="title" onchange="ontitlechange()" hidden/>
 			</div>
diff --git a/main.js b/main.js
index 0fae926..062e120 100644
--- a/main.js
+++ b/main.js
@@ -13,7 +13,8 @@ var defaultsettings =
 	password: "",
 	sync: false,
 	tagsinlists: true,
-	uselinkpopup: true
+	uselinkpopup: true,
+	useunsavedmark: false
 };
 
 //builtin
@@ -1917,6 +1918,7 @@ function postpone()
 
 function setsaved()
 {
+	unsavedmark.hidden = true;
 	saved = true;
 	lastsaved = timestamp();
 }
@@ -2277,6 +2279,7 @@ function datachanged()
 	resize();
 
 	saved = false;
+	unsavedmark.hidden = !settings.useunsavedmark;
 
 	postpone()
 	.then(save);
diff --git a/style.css b/style.css
index 50f1a17..684b504 100644
--- a/style.css
+++ b/style.css
@@ -50,6 +50,13 @@ body::-webkit-scrollbar-thumb {
 
 /* note page and editor */
 
+#unsavedmark {
+	position: fixed;
+	top: 0;
+	left: 5px;
+	color: lightgrey;
+}
+
 #notepage {
 	width: 100%;
 	display: table;