diff --git a/share/qtcreator/qmldesigner/collectionEditorQmlSource/CollectionView.qml b/share/qtcreator/qmldesigner/collectionEditorQmlSource/CollectionView.qml
index c6873460e4b..363d8bab309 100644
--- a/share/qtcreator/qmldesigner/collectionEditorQmlSource/CollectionView.qml
+++ b/share/qtcreator/qmldesigner/collectionEditorQmlSource/CollectionView.qml
@@ -24,15 +24,8 @@ Item {
         warningDialog.open()
     }
 
-    JsonImport {
-        id: jsonImporter
-
-        backendValue: root.rootView
-        anchors.centerIn: parent
-    }
-
-    CsvImport {
-        id: csvImporter
+    ImportDialog {
+        id: importDialog
 
         backendValue: root.rootView
         anchors.centerIn: parent
@@ -82,26 +75,14 @@ Item {
                     leftPadding: 15
                 }
 
-                IconTextButton {
+                HelperWidgets.IconButton {
                     Layout.alignment: Qt.AlignRight | Qt.AlignVCenter
 
                     icon: StudioTheme.Constants.import_medium
-                    text: qsTr("JSON")
-                    tooltip: qsTr("Import JSON")
+                    tooltip: qsTr("Import a model")
                     radius: StudioTheme.Values.smallRadius
 
-                    onClicked: jsonImporter.open()
-                }
-
-                IconTextButton {
-                    Layout.alignment: Qt.AlignRight | Qt.AlignVCenter
-
-                    icon: StudioTheme.Constants.import_medium
-                    text: qsTr("CSV")
-                    tooltip: qsTr("Import CSV")
-                    radius: StudioTheme.Values.smallRadius
-
-                    onClicked: csvImporter.open()
+                    onClicked: importDialog.open()
                 }
             }
 
diff --git a/share/qtcreator/qmldesigner/collectionEditorQmlSource/CsvImport.qml b/share/qtcreator/qmldesigner/collectionEditorQmlSource/ImportDialog.qml
similarity index 83%
rename from share/qtcreator/qmldesigner/collectionEditorQmlSource/CsvImport.qml
rename to share/qtcreator/qmldesigner/collectionEditorQmlSource/ImportDialog.qml
index 6bcd6e97a3a..bf28695ec9b 100644
--- a/share/qtcreator/qmldesigner/collectionEditorQmlSource/CsvImport.qml
+++ b/share/qtcreator/qmldesigner/collectionEditorQmlSource/ImportDialog.qml
@@ -13,7 +13,7 @@ import StudioTheme as StudioTheme
 StudioControls.Dialog {
     id: root
 
-    title: qsTr("Import A CSV File")
+    title: qsTr("Import a model")
     anchors.centerIn: parent
     closePolicy: Popup.CloseOnEscape
     modal: true
@@ -23,8 +23,8 @@ StudioControls.Dialog {
     property bool fileExists: false
 
     onOpened: {
-        collectionName.text = "Collection_"
-        fileName.text = qsTr("New CSV File")
+        collectionName.text = "Model"
+        fileName.text = qsTr("Model path")
         fileName.selectAll()
         fileName.forceActiveFocus()
     }
@@ -40,6 +40,14 @@ StudioControls.Dialog {
 
     PlatformWidgets.FileDialog {
         id: fileDialog
+        nameFilters : ["All Model Files (*.json *.csv)",
+            "JSON Files (*.json)",
+            "Comma-Separated Values (*.csv)"]
+
+        title: qsTr("Select a model file")
+        fileMode: PlatformWidgets.FileDialog.OpenFile
+        acceptLabel: qsTr("Open")
+
         onAccepted: fileName.text = fileDialog.file
     }
 
@@ -61,7 +69,7 @@ StudioControls.Dialog {
         spacing: 2
 
         Text {
-            text: qsTr("File name: ")
+            text: qsTr("File name")
             color: StudioTheme.Values.themeTextColor
         }
 
@@ -80,11 +88,11 @@ StudioControls.Dialog {
                 translationIndicator.visible: false
                 validator: fileNameValidator
 
-                Keys.onEnterPressed: btnCreate.onClicked()
-                Keys.onReturnPressed: btnCreate.onClicked()
+                Keys.onEnterPressed: btnImport.onClicked()
+                Keys.onReturnPressed: btnImport.onClicked()
                 Keys.onEscapePressed: root.reject()
 
-                onTextChanged: root.fileExists = root.backendValue.isCsvFile(fileName.text)
+                onTextChanged: root.fileExists = root.backendValue.isValidUrlToImport(fileName.text)
             }
 
             HelperWidgets.Button {
@@ -100,7 +108,7 @@ StudioControls.Dialog {
         Spacer {}
 
         Text {
-            text: qsTr("The model name: ")
+            text: qsTr("The model name")
             color: StudioTheme.Values.themeTextColor
         }
 
@@ -115,8 +123,8 @@ StudioControls.Dialog {
                 regularExpression: /^\w+$/
             }
 
-            Keys.onEnterPressed: btnCreate.onClicked()
-            Keys.onReturnPressed: btnCreate.onClicked()
+            Keys.onEnterPressed: btnImport.onClicked()
+            Keys.onReturnPressed: btnImport.onClicked()
             Keys.onEscapePressed: root.reject()
         }
 
@@ -179,15 +187,17 @@ StudioControls.Dialog {
             Layout.alignment: Qt.AlignRight | Qt.AlignVCenter
 
             HelperWidgets.Button {
-                id: btnCreate
+                id: btnImport
 
                 text: qsTr("Import")
                 enabled: root.fileExists && collectionName.text !== ""
 
                 onClicked: {
-                    let csvLoaded = root.backendValue.loadCsvFile(fileName.text, collectionName.text)
+                    let collectionImported = root.backendValue.importCollectionToDataStore(
+                            collectionName.text,
+                            fileName.text)
 
-                    if (csvLoaded)
+                    if (collectionImported)
                         root.accept()
                     else
                         creationFailedDialog.open()
diff --git a/share/qtcreator/qmldesigner/collectionEditorQmlSource/JsonImport.qml b/share/qtcreator/qmldesigner/collectionEditorQmlSource/JsonImport.qml
deleted file mode 100644
index fec1155927b..00000000000
--- a/share/qtcreator/qmldesigner/collectionEditorQmlSource/JsonImport.qml
+++ /dev/null
@@ -1,145 +0,0 @@
-// Copyright (C) 2023 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
-
-import QtQuick
-import QtQuick.Controls
-import QtQuick.Layouts
-import QtQuickDesignerTheme 1.0
-import Qt.labs.platform as PlatformWidgets
-import HelperWidgets 2.0 as HelperWidgets
-import StudioControls 1.0 as StudioControls
-import StudioTheme as StudioTheme
-
-StudioControls.Dialog {
-    id: root
-
-    title: qsTr("Import Models")
-    anchors.centerIn: parent
-    closePolicy: Popup.CloseOnEscape
-    modal: true
-
-    required property var backendValue
-    property bool fileExists: false
-
-    onOpened: {
-        fileName.text = qsTr("New JSON File")
-        fileName.selectAll()
-        fileName.forceActiveFocus()
-    }
-
-    onRejected: {
-        fileName.text = ""
-    }
-
-    RegularExpressionValidator {
-        id: fileNameValidator
-        regularExpression: /^(\w[^*><?|]*)[^/\\:*><?|]$/
-    }
-
-    PlatformWidgets.FileDialog {
-        id: fileDialog
-        onAccepted: fileName.text = fileDialog.file
-    }
-
-    Message {
-        id: creationFailedDialog
-
-        title: qsTr("Could not load the file")
-        message: qsTr("An error occurred while trying to load the file.")
-
-        onClosed: root.reject()
-    }
-
-    contentItem: ColumnLayout {
-        spacing: 2
-
-        Text {
-            text: qsTr("File name: ")
-            color: StudioTheme.Values.themeTextColor
-        }
-
-        RowLayout {
-            spacing: StudioTheme.Values.sectionRowSpacing
-
-            Layout.fillWidth: true
-
-            StudioControls.TextField {
-                id: fileName
-
-                Layout.alignment: Qt.AlignLeft | Qt.AlignVCenter
-                Layout.fillWidth: true
-
-                actionIndicator.visible: false
-                translationIndicator.visible: false
-                validator: fileNameValidator
-
-                Keys.onEnterPressed: btnCreate.onClicked()
-                Keys.onReturnPressed: btnCreate.onClicked()
-                Keys.onEscapePressed: root.reject()
-
-                onTextChanged: root.fileExists = root.backendValue.isJsonFile(fileName.text)
-            }
-
-            HelperWidgets.Button {
-                id: fileDialogButton
-
-                Layout.alignment: Qt.AlignRight | Qt.AlignVCenter
-
-                text: qsTr("Open")
-                onClicked: fileDialog.open()
-            }
-        }
-
-        Item { // spacer
-            implicitWidth: 1
-            implicitHeight: StudioTheme.Values.controlLabelGap
-        }
-
-        Label {
-            Layout.fillWidth: true
-
-            padding: 5
-            text: qsTr("File name cannot be empty.")
-            wrapMode: Label.WordWrap
-            color: StudioTheme.Values.themeTextColor
-            visible: fileName.text === ""
-
-            background: Rectangle {
-                color: "transparent"
-                border.width: StudioTheme.Values.border
-                border.color: StudioTheme.Values.themeWarning
-            }
-        }
-
-        Item { // spacer
-            implicitWidth: 1
-            implicitHeight: StudioTheme.Values.sectionColumnSpacing
-        }
-
-        RowLayout {
-            spacing: StudioTheme.Values.sectionRowSpacing
-
-            Layout.alignment: Qt.AlignRight | Qt.AlignVCenter
-
-            HelperWidgets.Button {
-                id: btnCreate
-
-                text: qsTr("Import")
-                enabled: root.fileExists
-                onClicked: {
-                    let jsonLoaded = root.backendValue.loadJsonFile(fileName.text)
-
-                    if (jsonLoaded)
-                        root.accept()
-                    else
-                        creationFailedDialog.open()
-                }
-            }
-
-            HelperWidgets.Button {
-                text: qsTr("Cancel")
-                onClicked: root.reject()
-            }
-        }
-    }
-}
diff --git a/src/plugins/qmldesigner/CMakeLists.txt b/src/plugins/qmldesigner/CMakeLists.txt
index 8f2b2d22187..089d430302f 100644
--- a/src/plugins/qmldesigner/CMakeLists.txt
+++ b/src/plugins/qmldesigner/CMakeLists.txt
@@ -839,6 +839,7 @@ extend_qtc_plugin(QmlDesigner
     collectiondetailssortfiltermodel.cpp collectiondetailssortfiltermodel.h
     collectioneditorconstants.h
     collectioneditorutils.cpp collectioneditorutils.h
+    collectionimporttools.cpp collectionimporttools.h
     collectionlistmodel.cpp collectionlistmodel.h
     collectionsourcemodel.cpp collectionsourcemodel.h
     collectionview.cpp collectionview.h
diff --git a/src/plugins/qmldesigner/components/collectioneditor/collectioneditorutils.cpp b/src/plugins/qmldesigner/components/collectioneditor/collectioneditorutils.cpp
index 0d857401e28..d4e4e7654f5 100644
--- a/src/plugins/qmldesigner/components/collectioneditor/collectioneditorutils.cpp
+++ b/src/plugins/qmldesigner/components/collectioneditor/collectioneditorutils.cpp
@@ -72,6 +72,18 @@ bool variantIslessThan(const QVariant &a, const QVariant &b, CollectionDetails::
     return std::visit(LessThanVisitor{}, valueToVariant(a, type), valueToVariant(b, type));
 }
 
+SourceFormat getSourceCollectionFormat(const ModelNode &node)
+{
+    using namespace QmlDesigner;
+    if (node.type() == CollectionEditor::JSONCOLLECTIONMODEL_TYPENAME)
+        return CollectionEditor::SourceFormat::Json;
+
+    if (node.type() == CollectionEditor::CSVCOLLECTIONMODEL_TYPENAME)
+        return CollectionEditor::SourceFormat::Csv;
+
+    return CollectionEditor::SourceFormat::Unknown;
+}
+
 QString getSourceCollectionType(const ModelNode &node)
 {
     using namespace QmlDesigner;
diff --git a/src/plugins/qmldesigner/components/collectioneditor/collectioneditorutils.h b/src/plugins/qmldesigner/components/collectioneditor/collectioneditorutils.h
index de0be4c72a4..65806ab3b63 100644
--- a/src/plugins/qmldesigner/components/collectioneditor/collectioneditorutils.h
+++ b/src/plugins/qmldesigner/components/collectioneditor/collectioneditorutils.h
@@ -4,6 +4,7 @@
 #pragma once
 
 #include "collectiondetails.h"
+#include "collectioneditorconstants.h"
 
 QT_BEGIN_NAMESPACE
 class QJsonArray;
@@ -13,6 +14,8 @@ namespace QmlDesigner::CollectionEditor {
 
 bool variantIslessThan(const QVariant &a, const QVariant &b, CollectionDetails::DataType type);
 
+SourceFormat getSourceCollectionFormat(const QmlDesigner::ModelNode &node);
+
 QString getSourceCollectionType(const QmlDesigner::ModelNode &node);
 
 QString getSourceCollectionPath(const QmlDesigner::ModelNode &node);
diff --git a/src/plugins/qmldesigner/components/collectioneditor/collectionimporttools.cpp b/src/plugins/qmldesigner/components/collectioneditor/collectionimporttools.cpp
new file mode 100644
index 00000000000..b3691ce78b4
--- /dev/null
+++ b/src/plugins/qmldesigner/components/collectioneditor/collectionimporttools.cpp
@@ -0,0 +1,105 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include "collectionimporttools.h"
+
+#include <QFile>
+#include <QJsonArray>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonParseError>
+#include <QJsonValue>
+#include <QUrl>
+
+namespace QmlDesigner::CollectionEditor::ImportTools {
+
+QJsonArray loadAsSingleJsonCollection(const QUrl &url)
+{
+    QFile file(url.isLocalFile() ? url.toLocalFile() : url.toString());
+    QJsonArray collection;
+    QByteArray jsonData;
+    if (file.open(QFile::ReadOnly))
+        jsonData = file.readAll();
+
+    file.close();
+    if (jsonData.isEmpty())
+        return {};
+
+    QJsonParseError parseError;
+    QJsonDocument document = QJsonDocument::fromJson(jsonData, &parseError);
+    if (parseError.error != QJsonParseError::NoError)
+        return {};
+
+    auto refineJsonArray = [](const QJsonArray &array) -> QJsonArray {
+        QJsonArray resultArray;
+        for (const QJsonValue &collectionData : array) {
+            if (!collectionData.isObject())
+                resultArray.push_back(collectionData);
+        }
+        return resultArray;
+    };
+
+    if (document.isArray()) {
+        collection = refineJsonArray(document.array());
+    } else if (document.isObject()) {
+        QJsonObject documentObject = document.object();
+        const QStringList mainKeys = documentObject.keys();
+
+        bool arrayFound = false;
+        for (const QString &key : mainKeys) {
+            const QJsonValue &value = documentObject.value(key);
+            if (value.isArray()) {
+                arrayFound = true;
+                collection = refineJsonArray(value.toArray());
+                break;
+            }
+        }
+
+        if (!arrayFound) {
+            QJsonObject singleObject;
+            for (const QString &key : mainKeys) {
+                const QJsonValue value = documentObject.value(key);
+
+                if (!value.isObject())
+                    singleObject.insert(key, value);
+            }
+            collection.push_back(singleObject);
+        }
+    }
+    return collection;
+}
+
+QJsonArray loadAsCsvCollection(const QUrl &url)
+{
+    QFile sourceFile(url.isLocalFile() ? url.toLocalFile() : url.toString());
+    QStringList headers;
+    QJsonArray elements;
+
+    if (sourceFile.open(QFile::ReadOnly)) {
+        QTextStream stream(&sourceFile);
+
+        if (!stream.atEnd())
+            headers = stream.readLine().split(',');
+
+        for (QString &header : headers)
+            header = header.trimmed();
+
+        if (!headers.isEmpty()) {
+            while (!stream.atEnd()) {
+                const QStringList recordDataList = stream.readLine().split(',');
+                int column = -1;
+                QJsonObject recordData;
+                for (const QString &cellData : recordDataList) {
+                    if (++column == headers.size())
+                        break;
+                    recordData.insert(headers.at(column), cellData);
+                }
+                elements.append(recordData);
+            }
+        }
+    }
+
+    return elements;
+}
+
+} // namespace QmlDesigner::CollectionEditor::ImportTools
diff --git a/src/plugins/qmldesigner/components/collectioneditor/collectionimporttools.h b/src/plugins/qmldesigner/components/collectioneditor/collectionimporttools.h
new file mode 100644
index 00000000000..4ee98284893
--- /dev/null
+++ b/src/plugins/qmldesigner/components/collectioneditor/collectionimporttools.h
@@ -0,0 +1,16 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#pragma once
+
+QT_BEGIN_NAMESPACE
+class QJsonArray;
+class QUrl;
+QT_END_NAMESPACE
+
+namespace QmlDesigner::CollectionEditor::ImportTools {
+
+QJsonArray loadAsSingleJsonCollection(const QUrl &url);
+QJsonArray loadAsCsvCollection(const QUrl &url);
+
+} // namespace QmlDesigner::CollectionEditor::ImportTools
diff --git a/src/plugins/qmldesigner/components/collectioneditor/collectionsourcemodel.cpp b/src/plugins/qmldesigner/components/collectioneditor/collectionsourcemodel.cpp
index 12f8dd099c9..098bbdaaa70 100644
--- a/src/plugins/qmldesigner/components/collectioneditor/collectionsourcemodel.cpp
+++ b/src/plugins/qmldesigner/components/collectioneditor/collectionsourcemodel.cpp
@@ -268,6 +268,7 @@ bool CollectionSourceModel::collectionExists(const ModelNode &node, const QStrin
 
 bool CollectionSourceModel::addCollectionToSource(const ModelNode &node,
                                                   const QString &collectionName,
+                                                  const QJsonArray &newCollectionData,
                                                   QString *errorString)
 {
     auto returnError = [errorString](const QString &msg) -> bool {
@@ -284,7 +285,7 @@ bool CollectionSourceModel::addCollectionToSource(const ModelNode &node,
         return returnError(tr("Node should be a JSON model."));
 
     if (collectionExists(node, collectionName))
-        return returnError(tr("Model does not exist."));
+        return returnError(tr("A model with the identical name already exists."));
 
     QString sourceFileAddress = CollectionEditor::getSourceCollectionPath(node);
 
@@ -305,7 +306,7 @@ bool CollectionSourceModel::addCollectionToSource(const ModelNode &node,
 
     if (document.isObject()) {
         QJsonObject sourceObject = document.object();
-        sourceObject.insert(collectionName, CollectionEditor::defaultCollectionArray());
+        sourceObject.insert(collectionName, newCollectionData);
         document.setObject(sourceObject);
         if (!jsonFile.resize(0))
             return returnError(tr("Can't clean \"%1\".").arg(sourceFileInfo.absoluteFilePath()));
diff --git a/src/plugins/qmldesigner/components/collectioneditor/collectionsourcemodel.h b/src/plugins/qmldesigner/components/collectioneditor/collectionsourcemodel.h
index 28c36d03e01..f0dd517ee10 100644
--- a/src/plugins/qmldesigner/components/collectioneditor/collectionsourcemodel.h
+++ b/src/plugins/qmldesigner/components/collectioneditor/collectionsourcemodel.h
@@ -54,6 +54,7 @@ public:
     bool collectionExists(const ModelNode &node, const QString &collectionName) const;
     bool addCollectionToSource(const ModelNode &node,
                                const QString &collectionName,
+                               const QJsonArray &newCollectionData,
                                QString *errorString = nullptr);
 
     ModelNode sourceNodeAt(int idx);
diff --git a/src/plugins/qmldesigner/components/collectioneditor/collectionview.cpp b/src/plugins/qmldesigner/components/collectioneditor/collectionview.cpp
index f9354ddfb0f..de82734b353 100644
--- a/src/plugins/qmldesigner/components/collectioneditor/collectionview.cpp
+++ b/src/plugins/qmldesigner/components/collectioneditor/collectionview.cpp
@@ -23,6 +23,7 @@
 #include <utils/qtcassert.h>
 
 namespace {
+
 inline bool isStudioCollectionModel(const QmlDesigner::ModelNode &node)
 {
     using namespace QmlDesigner::CollectionEditor;
diff --git a/src/plugins/qmldesigner/components/collectioneditor/collectionwidget.cpp b/src/plugins/qmldesigner/components/collectioneditor/collectionwidget.cpp
index 54eeedf7352..2aae651c4ee 100644
--- a/src/plugins/qmldesigner/components/collectioneditor/collectionwidget.cpp
+++ b/src/plugins/qmldesigner/components/collectioneditor/collectionwidget.cpp
@@ -6,6 +6,7 @@
 #include "collectiondetailsmodel.h"
 #include "collectiondetailssortfiltermodel.h"
 #include "collectioneditorutils.h"
+#include "collectionimporttools.h"
 #include "collectionsourcemodel.h"
 #include "collectionview.h"
 #include "qmldesignerconstants.h"
@@ -188,6 +189,20 @@ bool CollectionWidget::isCsvFile(const QUrl &url) const
     return file.exists() && file.fileName().endsWith(".csv");
 }
 
+bool CollectionWidget::isValidUrlToImport(const QUrl &url) const
+{
+    using Utils::FilePath;
+    FilePath fileInfo = FilePath::fromUserInput(url.isLocalFile() ? url.toLocalFile()
+                                                                  : url.toString());
+    if (fileInfo.suffix() == "json")
+        return isJsonFile(url);
+
+    if (fileInfo.suffix() == "csv")
+        return isCsvFile(url);
+
+    return false;
+}
+
 bool CollectionWidget::addCollection(const QString &collectionName,
                                      const QString &collectionType,
                                      const QUrl &sourceUrl,
@@ -243,7 +258,10 @@ bool CollectionWidget::addCollection(const QString &collectionName,
         }
     } else if (collectionType == "json") {
         QString errorMsg;
-        bool added = m_sourceModel->addCollectionToSource(node, collectionName, &errorMsg);
+        bool added = m_sourceModel->addCollectionToSource(node,
+                                                          collectionName,
+                                                          CollectionEditor::defaultCollectionArray(),
+                                                          &errorMsg);
         if (!added)
             warn(tr("Can not add a model to the JSON file"), errorMsg);
         return added;
@@ -252,6 +270,50 @@ bool CollectionWidget::addCollection(const QString &collectionName,
     return false;
 }
 
+bool CollectionWidget::importToJson(const QVariant &sourceNode,
+                                    const QString &collectionName,
+                                    const QUrl &url)
+{
+    using CollectionEditor::SourceFormat;
+    using Utils::FilePath;
+    const ModelNode node = sourceNode.value<ModelNode>();
+    const SourceFormat nodeFormat = CollectionEditor::getSourceCollectionFormat(node);
+    QTC_ASSERT(node.isValid() && nodeFormat == SourceFormat::Json, return false);
+
+    FilePath fileInfo = FilePath::fromUserInput(url.isLocalFile() ? url.toLocalFile()
+                                                                  : url.toString());
+    bool added = false;
+    QString errorMsg;
+    QJsonArray loadedCollection;
+
+    if (fileInfo.suffix() == "json")
+        loadedCollection = CollectionEditor::ImportTools::loadAsSingleJsonCollection(url);
+    else if (fileInfo.suffix() == "csv")
+        loadedCollection = CollectionEditor::ImportTools::loadAsCsvCollection(url);
+
+    if (!loadedCollection.isEmpty()) {
+        const QString newCollectionName = generateUniqueCollectionName(node, collectionName);
+        added = m_sourceModel->addCollectionToSource(node, newCollectionName, loadedCollection, &errorMsg);
+    } else {
+        errorMsg = tr("The imported model is empty or is not supported.");
+    }
+
+    if (!added)
+        warn(tr("Can not add a model to the JSON file"), errorMsg);
+    return added;
+}
+
+bool CollectionWidget::importCollectionToDataStore(const QString &collectionName, const QUrl &url)
+{
+    using Utils::FilePath;
+    const ModelNode node = dataStoreNode();
+    if (node.isValid())
+        return importToJson(QVariant::fromValue(node), collectionName, url);
+
+    warn(tr("Can not import to the main model"), tr("The data store is not available."));
+    return false;
+}
+
 void CollectionWidget::assignSourceNodeToSelectedItem(const QVariant &sourceNode)
 {
     ModelNode sourceModel = sourceNode.value<ModelNode>();
@@ -268,6 +330,16 @@ void CollectionWidget::assignSourceNodeToSelectedItem(const QVariant &sourceNode
     CollectionEditor::assignCollectionSourceToNode(m_view, targetNode, sourceModel);
 }
 
+ModelNode CollectionWidget::dataStoreNode() const
+{
+    for (int i = 0; i < m_sourceModel->rowCount(); ++i) {
+        const ModelNode node = m_sourceModel->sourceNodeAt(i);
+        if (CollectionEditor::getSourceCollectionFormat(node) == CollectionEditor::SourceFormat::Json)
+            return node;
+    }
+    return {};
+}
+
 void CollectionWidget::warn(const QString &title, const QString &body)
 {
     QMetaObject::invokeMethod(m_quickWidget->rootObject(),
@@ -285,4 +357,20 @@ void CollectionWidget::setTargetNodeSelected(bool selected)
     emit targetNodeSelectedChanged(m_targetNodeSelected);
 }
 
+QString CollectionWidget::generateUniqueCollectionName(const ModelNode &node, const QString &name)
+{
+    if (!m_sourceModel->collectionExists(node, name))
+        return name;
+
+    static QRegularExpression reg("^(?<mainName>[\\w\\d\\.\\_\\-]+)\\_(?<number>\\d+)$");
+    QRegularExpressionMatch match = reg.match(name);
+    if (match.hasMatch()) {
+        int nextNumber = match.captured("number").toInt() + 1;
+        return generateUniqueCollectionName(
+            node, QString("%1_%2").arg(match.captured("mainName")).arg(nextNumber));
+    } else {
+        return generateUniqueCollectionName(node, QString("%1_1").arg(name));
+    }
+}
+
 } // namespace QmlDesigner
diff --git a/src/plugins/qmldesigner/components/collectioneditor/collectionwidget.h b/src/plugins/qmldesigner/components/collectioneditor/collectionwidget.h
index 6be4fabd6ac..142fe9fbd51 100644
--- a/src/plugins/qmldesigner/components/collectioneditor/collectionwidget.h
+++ b/src/plugins/qmldesigner/components/collectioneditor/collectionwidget.h
@@ -38,13 +38,22 @@ public:
     Q_INVOKABLE bool loadCsvFile(const QUrl &url, const QString &collectionName = {});
     Q_INVOKABLE bool isJsonFile(const QUrl &url) const;
     Q_INVOKABLE bool isCsvFile(const QUrl &url) const;
+    Q_INVOKABLE bool isValidUrlToImport(const QUrl &url) const;
     Q_INVOKABLE bool addCollection(const QString &collectionName,
                                    const QString &collectionType,
                                    const QUrl &sourceUrl,
                                    const QVariant &sourceNode);
 
+    Q_INVOKABLE bool importToJson(const QVariant &sourceNode,
+                                  const QString &collectionName,
+                                  const QUrl &url);
+
+    Q_INVOKABLE bool importCollectionToDataStore(const QString &collectionName, const QUrl &url);
+
     Q_INVOKABLE void assignSourceNodeToSelectedItem(const QVariant &sourceNode);
 
+    Q_INVOKABLE ModelNode dataStoreNode() const;
+
     void warn(const QString &title, const QString &body);
     void setTargetNodeSelected(bool selected);
 
@@ -52,6 +61,8 @@ signals:
     void targetNodeSelectedChanged(bool);
 
 private:
+    QString generateUniqueCollectionName(const ModelNode &node, const QString &name);
+
     QPointer<CollectionView> m_view;
     QPointer<CollectionSourceModel> m_sourceModel;
     QPointer<CollectionDetailsModel> m_collectionDetailsModel;