diff --git a/imports/NeoChat/Component/Timeline/AudioDelegate.qml b/imports/NeoChat/Component/Timeline/AudioDelegate.qml
index 55901f24e..184763c7b 100644
--- a/imports/NeoChat/Component/Timeline/AudioDelegate.qml
+++ b/imports/NeoChat/Component/Timeline/AudioDelegate.qml
@@ -9,7 +9,6 @@ import Qt.labs.platform 1.1 as Platform
 import QtMultimedia 5.15
 
 import org.kde.kirigami 2.15 as Kirigami
-import org.kde.kcoreaddons 1.0 as KCA
 
 import org.kde.neochat 1.0
 import NeoChat.Component 1.0
@@ -56,7 +55,7 @@ Control {
             }
 
             Label {
-                text: KCA.Format.formatDuration(audio.position) + "/" + KCA.Format.formatDuration(audio.duration)
+                text: Controller.formatDuration(audio.position) + "/" + Controller.formatDuration(audio.duration)
             }
         }
     }
diff --git a/imports/NeoChat/Component/Timeline/FileDelegate.qml b/imports/NeoChat/Component/Timeline/FileDelegate.qml
index b3ab37641..23d8f818a 100644
--- a/imports/NeoChat/Component/Timeline/FileDelegate.qml
+++ b/imports/NeoChat/Component/Timeline/FileDelegate.qml
@@ -8,7 +8,6 @@ import QtGraphicalEffects 1.15
 import Qt.labs.platform 1.1
 
 import org.kde.kirigami 2.15 as Kirigami
-import org.kde.kcoreaddons 1.0 as KCA
 
 import org.kde.neochat 1.0
 import NeoChat.Component 1.0
@@ -43,7 +42,7 @@ RowLayout {
 
         Label {
             Layout.fillWidth: true
-            text: !progressInfo.completed && progressInfo.active ? (KCA.Format.formatByteSize(progressInfo.progress) + "/" + KCA.Format.formatByteSize(progressInfo.total)) : KCA.Format.formatByteSize(content.info ? content.info.size : 0)
+            text: !progressInfo.completed && progressInfo.active ? (Controller.formatByteSize(progressInfo.progress) + "/" + Controller.formatByteSize(progressInfo.total)) : Controller.formatByteSize(content.info ? content.info.size : 0)
             color: Kirigami.Theme.disabledTextColor
             wrapMode: Label.Wrap
         }
diff --git a/src/controller.cpp b/src/controller.cpp
index baf8b5b77..51717d04d 100644
--- a/src/controller.cpp
+++ b/src/controller.cpp
@@ -591,3 +591,13 @@ void Controller::joinRoom(const QString &alias)
         Q_EMIT errorOccured(joinRoomJob->roomId());
     });
 }
+
+QString Controller::formatByteSize(double size, int precision) const
+{
+    return KFormat().formatByteSize(size, precision);
+}
+
+QString Controller::formatDuration(quint64 msecs, KFormat::DurationFormatOptions options) const
+{
+    return KFormat().formatDuration(msecs, options);
+}
diff --git a/src/controller.h b/src/controller.h
index 55cd0ce25..877f1f1f2 100644
--- a/src/controller.h
+++ b/src/controller.h
@@ -9,6 +9,8 @@
 #include <QObject>
 
 #include <KAboutData>
+#include <KFormat>
+
 class QKeySequences;
 class QNetworkConfigurationManager;
 
@@ -81,6 +83,9 @@ public:
     Q_INVOKABLE void joinRoom(const QString &alias);
 
     bool isOnline() const;
+
+    Q_INVOKABLE QString formatDuration(quint64 msecs, KFormat::DurationFormatOptions options = KFormat::DefaultDuration) const;
+    Q_INVOKABLE QString formatByteSize(double size, int precision = 1) const;
 private:
     explicit Controller(QObject *parent = nullptr);
     ~Controller() override;