diff --git a/share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/HelperWidgets/UrlChooser.qml b/share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/HelperWidgets/UrlChooser.qml
index 643a5db09a7..fbd2feb1432 100644
--- a/share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/HelperWidgets/UrlChooser.qml
+++ b/share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/HelperWidgets/UrlChooser.qml
@@ -37,7 +37,7 @@ Row {
     property variant backendValue
     property color textColor: colorLogic.highlight ? colorLogic.textColor
                                                    : StudioTheme.Values.themeTextColor
-    property string filter: "*.png *.gif *.jpg *.bmp *.jpeg *.svg *.pbm *.pgm *.ppm *.xbm *.xpm *.hdr *.webp"
+    property string filter: "*.png *.gif *.jpg *.bmp *.jpeg *.svg *.pbm *.pgm *.ppm *.xbm *.xpm *.hdr *.ktx *.webp"
 
     // This property takes an array of strings which define default items that should be added
     // to the ComboBox model in addition to the items from the FileResourcesModel. This is used
diff --git a/src/plugins/qmldesigner/components/componentcore/designeractionmanager.cpp b/src/plugins/qmldesigner/components/componentcore/designeractionmanager.cpp
index c521b653dd8..08a6a048e89 100644
--- a/src/plugins/qmldesigner/components/componentcore/designeractionmanager.cpp
+++ b/src/plugins/qmldesigner/components/componentcore/designeractionmanager.cpp
@@ -1553,6 +1553,7 @@ void DesignerActionManager::createDefaultAddResourceHandler()
     auto transformer = [](const QByteArray& format) -> QString { return QString("*.") + format; };
     auto imageFormats = Utils::transform(QImageReader::supportedImageFormats(), transformer);
     imageFormats.push_back("*.hdr");
+    imageFormats.push_back("*.ktx");
 
     // The filters will be displayed in reverse order to these lists in file dialog,
     // so declare most common types last
diff --git a/src/plugins/qmldesigner/components/itemlibrary/itemlibraryassetsmodel.cpp b/src/plugins/qmldesigner/components/itemlibrary/itemlibraryassetsmodel.cpp
index 5fa13c3c16b..a09391570d5 100644
--- a/src/plugins/qmldesigner/components/itemlibrary/itemlibraryassetsmodel.cpp
+++ b/src/plugins/qmldesigner/components/itemlibrary/itemlibraryassetsmodel.cpp
@@ -180,7 +180,7 @@ const QStringList &ItemLibraryAssetsModel::supportedVideoSuffixes()
 const QStringList &ItemLibraryAssetsModel::supportedTexture3DSuffixes()
 {
     // These are file types only supported by 3D textures
-    static QStringList retList {"*.hdr"};
+    static QStringList retList {"*.hdr", "*.ktx"};
     return retList;
 }
 
diff --git a/src/plugins/qmlprojectmanager/fileformat/filefilteritems.cpp b/src/plugins/qmlprojectmanager/fileformat/filefilteritems.cpp
index 7b2873de0ac..0bf09b7bffe 100644
--- a/src/plugins/qmlprojectmanager/fileformat/filefilteritems.cpp
+++ b/src/plugins/qmlprojectmanager/fileformat/filefilteritems.cpp
@@ -300,6 +300,7 @@ ImageFileFilterItem::ImageFileFilterItem(QObject *parent)
     // supported image formats according to
     QList<QByteArray> extensions = QImageReader::supportedImageFormats();
     extensions.append("hdr");
+    extensions.append("ktx");
     for (const QByteArray &extension : qAsConst(extensions))
         filter.append(QString::fromLatin1("*.%1;").arg(QString::fromLatin1(extension)));
     setFilter(filter);