diff --git a/README.md b/README.md
index 3c9e895..645801e 100644
--- a/README.md
+++ b/README.md
@@ -4,5 +4,10 @@ usage:
 
 ```bash
 pip install -r requirements.txt
-python stl_compresser.py
+python stl_compresser_ui.py
+```
+
+pack:
+```bash
+pyinstaller --onefile --windowed stl_compresser_ui.py
 ```
\ No newline at end of file
diff --git a/stl_compresser_ui.py b/stl_compresser_ui.py
new file mode 100644
index 0000000..67fa25c
--- /dev/null
+++ b/stl_compresser_ui.py
@@ -0,0 +1,91 @@
+import os
+import tkinter as tk
+from tkinter import filedialog
+from tkinter import ttk
+import trimesh
+
+def choose_files(entry_widget):
+    paths = filedialog.askopenfilenames(filetypes=[("STL files", "*.stl")])
+    if paths:
+        entry_widget.delete(0, tk.END)
+        entry_widget.insert(0, ";".join(paths))
+
+def choose_output_folder(entry_widget):
+    path = filedialog.askdirectory()
+    if path:
+        entry_widget.delete(0, tk.END)
+        entry_widget.insert(0, path)
+
+def compress_stl(input_paths, output_path, target_triangles, progress_bar, progress_label):
+    files = input_paths.split(";")
+
+    total_files = len(files)
+    for i, file_path in enumerate(files):
+        progress = int((i + 1) / total_files * 100)
+        progress_bar["value"] = progress
+        progress_label["text"] = f"Progress: {i+1}/{total_files} ({progress}%)"
+        window.update_idletasks()
+
+        mesh = trimesh.load_mesh(file_path)
+        simplified_mesh = mesh.simplify_quadric_decimation(target_triangles)
+        output_file_path = os.path.join(output_path, os.path.basename(file_path))
+        simplified_mesh.export(output_file_path)
+
+def compress():
+    input_paths = input_entry.get()
+    output_path = output_entry.get()
+    target_triangles = int(slider.get())
+
+    progress_bar["value"] = 0
+    progress_label["text"] = "Progress: 0/0 (0%)"
+    compress_stl(input_paths, output_path, target_triangles, progress_bar, progress_label)
+    progress_bar["value"] = 100
+    progress_label["text"] = "Progress: Complete"
+
+window = tk.Tk()
+window.title("STL Compresser | Made by github@fan-ziqi")
+
+input_label = tk.Label(window, text="Select Input File(s):")
+input_label.pack()
+input_frame = tk.Frame(window)
+input_frame.pack()
+
+input_entry = tk.Entry(input_frame, width=50)
+input_entry.pack(side=tk.LEFT)
+
+choose_button = tk.Button(input_frame, text="Browse", command=lambda: choose_files(input_entry))
+choose_button.pack(side=tk.LEFT)
+
+output_label = tk.Label(window, text="Select Output Folder:")
+output_label.pack()
+output_frame = tk.Frame(window)
+output_frame.pack()
+
+output_entry = tk.Entry(output_frame, width=50)
+output_entry.pack(side=tk.LEFT)
+
+output_button = tk.Button(output_frame, text="Browse", command=lambda: choose_output_folder(output_entry))
+output_button.pack(side=tk.LEFT)
+
+slider_label = tk.Label(window, text="Select Target Triangles (100-10000):")
+slider_label.pack()
+
+slider = tk.Scale(window, from_=100, to=10000, orient=tk.HORIZONTAL, length=300)
+slider.set(1000)
+slider.pack()
+
+progress_frame = tk.Frame(window)
+progress_frame.pack()
+
+progress_label = tk.Label(progress_frame, text="Progress: 0/0 (0%)")
+progress_label.pack()
+
+progress_bar = ttk.Progressbar(progress_frame, length=300, mode='determinate')
+progress_bar.pack()
+
+compress_button = tk.Button(window, text="Compress", command=compress)
+compress_button.pack()
+
+window.geometry("450x250")
+
+window.mainloop()