diff --git a/web/viewer.js b/web/viewer.js
index 9f4c08581..8977b53c0 100644
--- a/web/viewer.js
+++ b/web/viewer.js
@@ -15,6 +15,15 @@ var kMaxScale = 4.0;
 var kImageDirectory = './images/';
 var kSettingsMemory = 20;
 
+function getFileName(url) {
+  var anchor = url.indexOf('#');
+  var query = url.indexOf('?');
+  var end = Math.min(
+    anchor > 0 ? anchor : url.length,
+    query > 0 ? query : url.length);
+  return url.substring(url.lastIndexOf('/', end) + 1, end);
+}
+
 var Cache = function cacheCache(size) {
   var data = [];
   this.push = function cachePush(view) {
@@ -300,7 +309,9 @@ var PDFView = {
   },
 
   open: function pdfViewOpen(url, scale) {
-    document.title = this.url = url;
+    this.url = url;
+
+    document.title = decodeURIComponent(getFileName(url)) || url;
 
     if (!PDFView.loadingBar) {
       PDFView.loadingBar = new ProgressBar('#loadingBar', {});