diff --git a/autotests/kdiroperatortest.cpp b/autotests/kdiroperatortest.cpp
--- a/autotests/kdiroperatortest.cpp
+++ b/autotests/kdiroperatortest.cpp
@@ -105,6 +105,7 @@
         QTest::newRow("with_host") << QUrl(QStringLiteral("ftp://foo.com/folder")) << QUrl(QStringLiteral("ftp://foo.com/folder/"));
         QTest::newRow("with_no_host") << QUrl(QStringLiteral("smb://")) << QUrl(QStringLiteral("smb://"));
         QTest::newRow("with_host_without_path") << QUrl(QStringLiteral("ftp://user@example.com")) << QUrl(QStringLiteral("ftp://user@example.com"));
+        QTest::newRow("with_trailing_slashs") << QUrl::fromLocalFile(QDir::tempPath() + QLatin1String("////////")) << QUrl::fromLocalFile(QDir::tempPath() + QLatin1Char('/'));
     }
 
     void testSetUrlPathAdjustment()
diff --git a/autotests/kurifiltertest.cpp b/autotests/kurifiltertest.cpp
--- a/autotests/kurifiltertest.cpp
+++ b/autotests/kurifiltertest.cpp
@@ -233,7 +233,7 @@
     setupColumns();
     // URI that should require no filtering
     addRow("http://www.kde.org", QStringLiteral("http://www.kde.org"), KUriFilterData::NetProtocol);
-    addRow("http://www.kde.org/developer//index.html", QStringLiteral("http://www.kde.org/developer//index.html"), KUriFilterData::NetProtocol);
+    addRow("http://www.kde.org/developer//index.html", QStringLiteral("http://www.kde.org/developer/index.html"), KUriFilterData::NetProtocol);
     addRow("file:///", QStringLiteral("/"), KUriFilterData::LocalDir);
     addRow("file:///etc", QStringLiteral("/etc"), KUriFilterData::LocalDir);
     addRow("file:///etc/passwd", QStringLiteral("/etc/passwd"), KUriFilterData::LocalFile);
@@ -253,6 +253,9 @@
     addRow("///", QStringLiteral("/"), KUriFilterData::LocalDir);
     addRow("////", QStringLiteral("/"), KUriFilterData::LocalDir);
     addRow("///tmp", QStringLiteral("/tmp"), KUriFilterData::LocalDir);
+    addRow("///tmp/", QStringLiteral("/tmp/"), KUriFilterData::LocalDir);
+    addRow("///tmp//", QStringLiteral("/tmp/"), KUriFilterData::LocalDir);
+    addRow("///tmp///", QStringLiteral("/tmp/"), KUriFilterData::LocalDir);
 
     if (QFile::exists(QDir::homePath() + QLatin1String("/.bashrc"))) {
         addRow("~/.bashrc", QDir::homePath() + QStringLiteral("/.bashrc"), KUriFilterData::LocalFile, QStringList(QStringLiteral("kshorturifilter")));
@@ -304,7 +307,9 @@
     setupColumns();
     // hostnames are lowercased by QUrl
     addRow("http://www.myDomain.commyPort/ViewObjectRes//Default:name=hello",
-           QStringLiteral("http://www.mydomain.commyport/ViewObjectRes//Default:name=hello"), KUriFilterData::NetProtocol);
+           QStringLiteral("http://www.mydomain.commyport/ViewObjectRes/Default:name=hello"), KUriFilterData::NetProtocol);
+    addRow("http://www.myDomain.commyPort/ViewObjectRes/Default:name=hello?a=a///////",
+           QStringLiteral("http://www.mydomain.commyport/ViewObjectRes/Default:name=hello?a=a///////"), KUriFilterData::NetProtocol);
     addRow("ftp://ftp.kde.org", QStringLiteral("ftp://ftp.kde.org"), KUriFilterData::NetProtocol);
     addRow("ftp://username@ftp.kde.org:500", QStringLiteral("ftp://username@ftp.kde.org:500"), KUriFilterData::NetProtocol);
 
diff --git a/src/filewidgets/kdiroperator.cpp b/src/filewidgets/kdiroperator.cpp
--- a/src/filewidgets/kdiroperator.cpp
+++ b/src/filewidgets/kdiroperator.cpp
@@ -1004,7 +1004,7 @@
     if (!_newurl.isValid()) {
         newurl = QUrl::fromLocalFile(QDir::homePath());
     } else {
-        newurl = _newurl;
+        newurl = _newurl.adjusted(QUrl::NormalizePathSegments);
     }
 
     if (!newurl.path().isEmpty() && !newurl.path().endsWith(QLatin1Char('/'))) {
@@ -1235,7 +1235,8 @@
 
 void KDirOperator::cdUp()
 {
-    QUrl tmp(d->currUrl);
+    // Allow /d/c// to go up to /d/ instead of /d/c/
+    QUrl tmp(d->currUrl.adjusted(QUrl::NormalizePathSegments));
     setUrl(tmp.resolved(QUrl(QStringLiteral(".."))), true);
 }
 
diff --git a/src/widgets/kurifilter.cpp b/src/widgets/kurifilter.cpp
--- a/src/widgets/kurifilter.cpp
+++ b/src/widgets/kurifilter.cpp
@@ -179,7 +179,7 @@
           wasModified(true),
           uriType(KUriFilterData::Unknown),
           searchFilterOptions(KUriFilterData::SearchFilterOptionNone),
-          url(u),
+          url(u.adjusted(QUrl::NormalizePathSegments)),
           typedString(typedUrl)
     {
     }
@@ -195,7 +195,7 @@
         uriType = KUriFilterData::Unknown;
         searchFilterOptions = KUriFilterData::SearchFilterOptionNone;
 
-        url = u;
+        url = u.adjusted(QUrl::NormalizePathSegments);
         typedString = typedUrl;
 
         errMsg.clear();
@@ -497,7 +497,7 @@
 
 void KUriFilterPlugin::setFilteredUri(KUriFilterData &data, const QUrl &uri) const
 {
-    data.d->url = uri;
+    data.d->url = uri.adjusted(QUrl::NormalizePathSegments);
     data.d->wasModified = true;
     //qDebug() << "Got filtered to:" << uri;
 }