diff --git a/tools/viewer/IImageViewer.cs b/tools/viewer/IImageViewer.cs
new file mode 100644
index 0000000..c97b9fa
--- /dev/null
+++ b/tools/viewer/IImageViewer.cs
@@ -0,0 +1,21 @@
+namespace KortAppZ.Tools.Viewer
+{
+    public interface IImageViewer
+    {
+        /// <summary>
+        /// 加载图片文件
+        /// </summary>
+        /// <param name="filePath">图片文件路径</param>
+        void LoadImage(string filePath);
+        
+        /// <summary>
+        /// 显示图片
+        /// </summary>
+        void ShowImage();
+        
+        /// <summary>
+        /// 关闭图片查看器
+        /// </summary>
+        void CloseViewer();
+    }
+}
diff --git a/tools/viewer/ImageDisplayForm.cs b/tools/viewer/ImageDisplayForm.cs
new file mode 100644
index 0000000..2f1bb13
--- /dev/null
+++ b/tools/viewer/ImageDisplayForm.cs
@@ -0,0 +1,72 @@
+using System;
+using System.Drawing;
+using System.Windows.Forms;
+using System.IO;
+
+namespace KortAppZ.Tools.Viewer
+{
+    public class ImageDisplayForm : Form
+    {
+        private PictureBox? pictureBox;
+        private Image? currentImage;
+        
+        public ImageDisplayForm()
+        {
+            InitializeComponent();
+        }
+        
+        private void InitializeComponent()
+        {
+            this.pictureBox = new PictureBox();
+            // 
+            // pictureBox
+            // 
+            this.pictureBox.Dock = DockStyle.Fill;
+            this.pictureBox.SizeMode = PictureBoxSizeMode.Zoom;
+            this.pictureBox.BackColor = Color.Black;
+            // 
+            // ImageDisplayForm
+            // 
+            this.Text = "图片查看";
+            this.ClientSize = new Size(800, 600);
+            this.MaximizeBox = false;
+            this.MinimizeBox = true;
+            this.FormBorderStyle = FormBorderStyle.FixedDialog;
+            this.ControlBox = true;
+            this.ShowIcon = true;
+            this.MaximizedBounds = Screen.FromHandle(this.Handle).WorkingArea;
+            this.Controls.Add(this.pictureBox);
+            this.FormClosing += new FormClosingEventHandler(ImageDisplayForm_FormClosing);
+        }
+        
+        public void LoadImage(string filePath)
+        {
+            try
+            {
+                if (currentImage != null)
+                {
+                    currentImage.Dispose();
+                    currentImage = null;
+                }
+                
+                currentImage = ImageFileHandler.LoadImage(filePath);
+                pictureBox.Image = currentImage;
+                this.Text = $"图片查看 - {Path.GetFileName(filePath)}";
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show($"无法加载图片: {ex.Message}", "错误", 
+                    MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+        
+        private void ImageDisplayForm_FormClosing(object sender, FormClosingEventArgs e)
+        {
+            if (currentImage != null)
+            {
+                currentImage.Dispose();
+                currentImage = null;
+            }
+        }
+    }
+}
diff --git a/tools/viewer/ImageFileHandler.cs b/tools/viewer/ImageFileHandler.cs
new file mode 100644
index 0000000..53686d0
--- /dev/null
+++ b/tools/viewer/ImageFileHandler.cs
@@ -0,0 +1,41 @@
+using System;
+using System.Drawing;
+using System.IO;
+
+namespace KortAppZ.Tools.Viewer
+{
+    public static class ImageFileHandler
+    {
+        private static readonly string[] SupportedExtensions = 
+        {
+            ".jpg", ".jpeg", ".png", ".bmp", ".gif", ".tiff", ".tif"
+        };
+        
+        public static bool IsImageFile(string filePath)
+        {
+            if (string.IsNullOrEmpty(filePath))
+                return false;
+                
+            string extension = Path.GetExtension(filePath).ToLower();
+            return Array.Exists(SupportedExtensions, ext => ext == extension);
+        }
+        
+        public static Image LoadImage(string filePath)
+        {
+            if (!IsImageFile(filePath))
+                throw new ArgumentException("不支持的图片格式");
+                
+            if (!File.Exists(filePath))
+                throw new FileNotFoundException("图片文件不存在", filePath);
+                
+            try
+            {
+                return Image.FromFile(filePath);
+            }
+            catch (Exception ex)
+            {
+                throw new Exception($"无法加载图片: {ex.Message}", ex);
+            }
+        }
+    }
+}
diff --git a/tools/viewer/ImageViewerForm.cs b/tools/viewer/ImageViewerForm.cs
new file mode 100644
index 0000000..80850b9
--- /dev/null
+++ b/tools/viewer/ImageViewerForm.cs
@@ -0,0 +1,93 @@
+using System;
+using System.Drawing;
+using System.Windows.Forms;
+using System.IO;
+using KortAppZ.Tools.Viewer;
+
+namespace KortAppZ.Tools.Viewer
+{
+    public class ImageViewerForm : Form
+    {
+        private Button? openButton;
+        
+        public ImageViewerForm()
+        {
+            InitializeComponent();
+        }
+        
+        private void InitializeComponent()
+        {
+            this.openButton = new Button();
+            // 
+            // openButton
+            // 
+            this.openButton.Text = "打开图片";
+            this.openButton.Size = new Size(120, 40);
+            this.openButton.Font = new Font("Microsoft YaHei", 10);
+            this.openButton.Anchor = AnchorStyles.None;
+            this.openButton.Click += new EventHandler(OpenButton_Click);
+            
+            // 初始位置
+            CenterOpenButton();
+            
+            // 窗体大小变化时重新居中按钮
+            this.Resize += (s, e) => CenterOpenButton();
+            
+            // 
+            // ImageViewerForm
+            // 
+            this.Text = "图片查看器";
+            this.ClientSize = new Size(400, 300);
+            this.StartPosition = FormStartPosition.CenterScreen;
+            this.MinimumSize = new Size(300, 200);
+            this.MaximizeBox = false;
+            this.FormBorderStyle = FormBorderStyle.FixedDialog;
+            this.MaximizedBounds = Screen.FromHandle(this.Handle).WorkingArea;
+            this.Controls.Add(this.openButton);
+        }
+        
+        private void CenterOpenButton()
+        {
+            if (openButton != null)
+            {
+                openButton.Location = new Point(
+                    (this.ClientSize.Width - openButton.Width) / 2,
+                    (this.ClientSize.Height - openButton.Height) / 2);
+            }
+        }
+        
+        private void OpenButton_Click(object sender, EventArgs e)
+        {
+            OpenFileDialog openFileDialog = new OpenFileDialog();
+            openFileDialog.Filter = "图片文件|*.jpg;*.jpeg;*.png;*.bmp;*.gif;*.tiff;*.tif|所有文件|*.*";
+            
+            if (openFileDialog.ShowDialog() == DialogResult.OK)
+            {
+                string filePath = openFileDialog.FileName;
+                ShowImage(filePath);
+            }
+        }
+        
+        private void ShowImage(string filePath)
+        {
+            try
+            {
+                if (!ImageFileHandler.IsImageFile(filePath))
+                {
+                    MessageBox.Show("不支持的图片格式", "错误", 
+                        MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    return;
+                }
+                
+                ImageDisplayForm displayForm = new ImageDisplayForm();
+                displayForm.LoadImage(filePath);
+                displayForm.Show();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show($"无法加载图片: {ex.Message}", "错误", 
+                    MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+    }
+}
diff --git a/tools/viewer/ImageViewerToolCard.cs b/tools/viewer/ImageViewerToolCard.cs
new file mode 100644
index 0000000..f5aee17
--- /dev/null
+++ b/tools/viewer/ImageViewerToolCard.cs
@@ -0,0 +1,48 @@
+using System;
+using System.Drawing;
+using System.Windows.Forms;
+using System.IO;
+using AppStore;
+
+namespace KortAppZ.Tools.Viewer
+{
+    public class ImageViewerToolCard : ToolCard
+    {
+        public ImageViewerToolCard()
+        {
+            this.ToolName = "图片查看";
+            
+            try 
+            {
+                string iconPath = Path.Combine(Application.StartupPath, "img", "resource", "png", "ImageCompressor.png");
+                if (File.Exists(iconPath))
+                {
+                    this.ToolIcon = Image.FromFile(iconPath);
+                }
+                else
+                {
+                    this.ToolIcon = SystemIcons.Application.ToBitmap();
+                }
+            }
+            catch
+            {
+                this.ToolIcon = SystemIcons.Application.ToBitmap();
+            }
+            
+            this.ToolCardClicked += (s, e) => {
+                try
+                {
+                    ImageViewerForm viewerForm = new ImageViewerForm();
+                    viewerForm.Show();
+                }
+                catch (Exception ex)
+                {
+                    MessageBox.Show($"打开图片查看器失败: {ex.Message}", "错误", 
+                        MessageBoxButtons.OK, MessageBoxIcon.Error);
+                }
+            };
+            
+            this.UpdateDisplay();
+        }
+    }
+}