diff --git a/tools/src/leveledit/mainwindow.cpp b/tools/src/leveledit/mainwindow.cpp
new file mode 100644
index 0000000..c95687f
--- /dev/null
+++ b/tools/src/leveledit/mainwindow.cpp
@@ -0,0 +1,86 @@
+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+#include <QFileDialog>
+#include <QFile>
+#include <QTextStream>
+#include <QGraphicsRectItem>
+#include <QPen>
+#include <QBrush>
+
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent)
+    , ui(new Ui::MainWindow)
+{
+    ui->setupUi(this);
+
+    // Initialize text editor and preview view
+    textEdit = new QTextEdit(this);
+    previewView = new QGraphicsView(this);
+    scene = new QGraphicsScene(this);
+
+    ui->centralwidget->setLayout(new QVBoxLayout);
+    ui->centralwidget->layout()->addWidget(textEdit);
+    ui->centralwidget->layout()->addWidget(previewView);
+
+    previewView->setScene(scene);
+
+    connect(textEdit, &QTextEdit::textChanged, this, &MainWindow::on_textEdit_textChanged);
+    connect(ui->actionOpen, &QAction::triggered, this, &MainWindow::on_actionOpen_triggered);
+    connect(ui->actionSave, &QAction::triggered, this, &MainWindow::on_actionSave_triggered);
+}
+
+MainWindow::~MainWindow()
+{
+    delete ui;
+}
+
+void MainWindow::on_textEdit_textChanged()
+{
+    updatePreview();
+}
+
+void MainWindow::on_actionOpen_triggered()
+{
+    QString fileName = QFileDialog::getOpenFileName(this, tr("Open Level File"), "", tr("Level Files (*.ini);;All Files (*)"));
+    if (!fileName.isEmpty()) {
+        QFile file(fileName);
+        if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
+            QTextStream in(&file);
+            textEdit->setPlainText(in.readAll());
+            file.close();
+            updatePreview();
+        }
+    }
+}
+
+void MainWindow::on_actionSave_triggered()
+{
+    QString fileName = QFileDialog::getSaveFileName(this, tr("Save Level File"), "", tr("Level Files (*.ini);;All Files (*)"));
+    if (!fileName.isEmpty()) {
+        QFile file(fileName);
+        if (file.open(QIODevice::WriteOnly | QIODevice::Text)) {
+            QTextStream out(&file);
+            out << textEdit->toPlainText();
+            file.close();
+        }
+    }
+}
+
+void MainWindow::updatePreview()
+{
+    scene->clear();
+    QString text = textEdit->toPlainText();
+    QStringList lines = text.split('\n');
+    int tileSize = 40;
+    for (int y = 0; y < lines.size(); ++y) {
+        QString line = lines[y];
+        for (int x = 0; x < line.length(); ++x) {
+            QChar ch = line[x];
+            if (ch == '1' || ch == 'G') {
+                QGraphicsRectItem *rect = scene->addRect(x * tileSize, y * tileSize, tileSize, tileSize, QPen(Qt::black), QBrush(ch == '1' ? Qt::gray : Qt::blue));
+                rect->setPos(x * tileSize, y * tileSize);
+            }
+        }
+    }
+    previewView->setSceneRect(scene->itemsBoundingRect());
+}
diff --git a/tools/src/leveledit/mainwindow.h b/tools/src/leveledit/mainwindow.h
new file mode 100644
index 0000000..98fdfab
--- /dev/null
+++ b/tools/src/leveledit/mainwindow.h
@@ -0,0 +1,35 @@
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+#include <QTextEdit>
+#include <QGraphicsView>
+#include <QGraphicsScene>
+
+QT_BEGIN_NAMESPACE
+namespace Ui { class MainWindow; }
+QT_END_NAMESPACE
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    MainWindow(QWidget *parent = nullptr);
+    ~MainWindow();
+
+private slots:
+    void on_textEdit_textChanged();
+    void on_actionOpen_triggered();
+    void on_actionSave_triggered();
+
+private:
+    Ui::MainWindow *ui;
+    QTextEdit *textEdit;
+    QGraphicsView *previewView;
+    QGraphicsScene *scene;
+
+    void updatePreview();
+};
+
+#endif // MAINWINDOW_H