diff --git a/.DS_Store b/.DS_Store
index db3e1fb..f33d6ef 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/main.py b/main.py
index e69de29..cdfe9a4 100644
--- a/main.py
+++ b/main.py
@@ -0,0 +1,450 @@
+import os
+import json
+import ctypes
+import threading
+import subprocess
+from datetime import datetime
+from tkinter import filedialog, messagebox, simpledialog, Toplevel, Button
+from tkinter import *
+from tkinter.ttk import Progressbar
+from concurrent.futures import ThreadPoolExecutor, as_completed
+
+try:
+    from mutagen.easyid3 import EasyID3
+    from mutagen.id3 import ID3, APIC
+except ImportError:
+    messagebox.showerror("Fehler", "Die Bibliothek 'mutagen' ist nicht installiert. Bitte installieren Sie sie mit 'pip install mutagen'.")
+    exit()
+
+SETTINGS_FILE = "settings.json"
+HISTORY_FILE = "history.json"
+
+WEEKDAY_SHORT_DE = ["Mo", "Di", "Mi", "Do", "Fr", "Sa", "So"]
+
+DEFAULT_EXPORT_PATHS = {
+    "Gottesdienst": "gottesdienste",
+    "Hochzeit": "hochzeiten",
+    "Weissagung": "weissagungen",
+    "Jugend": "jugend"
+}
+
+def load_settings():
+    if os.path.exists(SETTINGS_FILE):
+        with open(SETTINGS_FILE, "r") as f:
+            return json.load(f)
+    return {
+        "export_paths": DEFAULT_EXPORT_PATHS.copy(),
+        "threads": 0  # 0 = auto, use all available cores
+    }
+
+def save_settings(settings):
+    with open(SETTINGS_FILE, "w") as f:
+        json.dump(settings, f, indent=2)
+
+def save_export_history(entry):
+    history = []
+    if os.path.exists(HISTORY_FILE):
+        with open(HISTORY_FILE, "r") as f:
+            history = json.load(f)
+    history.append(entry)
+    with open(HISTORY_FILE, "w") as f:
+        json.dump(history, f, indent=2)
+
+# Fix pixelation on high-DPI displays
+try:
+    ctypes.windll.shcore.SetProcessDpiAwareness(2)  # Per-monitor DPI awareness
+except:
+    try:
+        ctypes.windll.user32.SetProcessDPIAware()  # Fallback for older Windows
+    except:
+        pass
+
+settings = load_settings()
+
+root = Tk()
+root.iconbitmap("icon.ico")
+root.title("fcco Converter")
+root.geometry("800x1200")
+
+Label(root, text="Wähle WAV-Dateien oder Ordner aus:").pack(pady=5)
+file_listbox = Listbox(root, width=60)
+file_listbox.pack(pady=5)
+
+file_status_listbox = Listbox(root, width=60)
+file_status_listbox.pack(pady=5)
+
+progress_bars = []  # List to store per-file progress bars
+
+file_entries = []  # List of dicts: {'full_path': str, 'rel_dir': str}
+base_folder = None  # Set when folder is selected
+is_converting = False  # Track conversion status
+conversion_running = False  # Prevent multiple conversions
+
+def choose_files():
+    global file_entries, base_folder
+    paths = filedialog.askopenfilenames(filetypes=[("WAV-Dateien", "*.wav")])
+    if paths:
+        base_folder = None
+        file_entries = [{'full_path': p, 'rel_dir': ''} for p in paths]
+        update_file_list()
+
+def choose_folder():
+    global file_entries, base_folder
+    folder = filedialog.askdirectory()
+    if folder:
+        base_folder = folder
+        file_entries = []
+        for root_dir, _, files in os.walk(folder):
+            for f in files:
+                if f.lower().endswith('.wav'):
+                    full_path = os.path.join(root_dir, f)
+                    rel_path = os.path.relpath(root_dir, folder)
+                    file_entries.append({'full_path': full_path, 'rel_dir': rel_path})
+        update_file_list()
+
+def update_file_list():
+    file_listbox.delete(0, END)
+    file_status_listbox.delete(0, END)
+    for bar in progress_bars:
+        bar.destroy()
+    progress_bars.clear()
+    for entry in file_entries:
+        basename = os.path.basename(entry['full_path'])
+        display_name = os.path.join(entry['rel_dir'], basename) if entry['rel_dir'] else basename
+        file_listbox.insert(END, display_name)
+        file_status_listbox.insert(END, f"0% – {basename} – Wartet...")
+        progress = Progressbar(root, orient=HORIZONTAL, length=400, mode='determinate')
+        progress.pack(pady=2)
+        progress_bars.append(progress)
+
+Button(root, text="Dateien auswählen", command=choose_files).pack(pady=5)
+Button(root, text="Ordner auswählen", command=choose_folder).pack(pady=5)
+
+def generate_album_name(veranstaltung=""):
+    return datetime.now().strftime("%d.%m.%Y") + (f" {veranstaltung}" if veranstaltung else "")
+
+def generate_folder_name(date_part, veranstaltung):
+    return f"{date_part} {veranstaltung}" if veranstaltung else date_part
+
+def extract_event_from_folder(file_path):
+    folder_name = os.path.basename(os.path.dirname(file_path))
+    if len(folder_name) >= 8 and folder_name[:6].isdigit() and folder_name[6:8] in WEEKDAY_SHORT_DE:
+        return folder_name[:8], folder_name[8:].strip() if len(folder_name) > 8 else ""
+    return "", ""
+
+def open_settings_window():
+    win = Toplevel(root)
+    win.iconbitmap("icon.ico")
+    win.title("Einstellungen")
+    win.geometry("500x600")
+
+    Label(win, text="Künstlername:").pack()
+    artist_entry = Entry(win, width=40)
+    artist_entry.pack()
+    artist_entry.insert(0, settings.get("metadata", {}).get("artist", ""))
+
+    Label(win, text="Cover Pfad:").pack()
+    cover_entry = Entry(win, width=40)
+    cover_entry.pack()
+    cover_entry.insert(0, settings.get("metadata", {}).get("cover", ""))
+
+    Label(win, text="Anzahl Threads (0 = Auto):").pack(pady=10)
+    threads_entry = Entry(win, width=40)
+    threads_entry.pack()
+    threads_entry.insert(0, str(settings.get("threads", 0)))
+
+    Label(win, text="Standardverzeichnisse für Exporte:").pack(pady=10)
+
+    entries = {}
+    for key in DEFAULT_EXPORT_PATHS:
+        Label(win, text=key).pack()
+        entry = Entry(win, width=40)
+        entry.pack()
+        entry.insert(0, settings.get("export_paths", {}).get(key, DEFAULT_EXPORT_PATHS[key]))
+        entries[key] = entry
+
+    def save_all():
+        try:
+            threads = int(threads_entry.get())
+            if threads < 0:
+                messagebox.showerror("Fehler", "Threads müssen 0 oder größer sein.")
+                return
+        except ValueError:
+            messagebox.showerror("Fehler", "Bitte geben Sie eine gültige Zahl für Threads ein.")
+            return
+
+        settings["metadata"] = {
+            "artist": artist_entry.get(),
+            "cover": cover_entry.get()
+        }
+        settings["export_paths"] = {k: v.get() for k, v in entries.items()}
+        settings["threads"] = threads
+        save_settings(settings)
+        messagebox.showinfo("Gespeichert", "Einstellungen wurden gespeichert.")
+        win.destroy()
+
+    Button(win, text="Speichern", command=save_all).pack(pady=10)
+
+Button(root, text="Einstellungen öffnen", command=open_settings_window).pack(pady=5)
+
+def confirm_metadata_and_type():
+    meta = settings.get("metadata", {}).copy()
+    if file_entries:
+        date_part, veranstaltung = extract_event_from_folder(file_entries[0]['full_path'])
+        if not date_part:
+            date_part = datetime.now().strftime("%y%m%d") + WEEKDAY_SHORT_DE[datetime.now().weekday()]
+    else:
+        date_part = datetime.now().strftime("%y%m%d") + WEEKDAY_SHORT_DE[datetime.now().weekday()]
+        veranstaltung = ""
+    meta["album"] = generate_album_name(veranstaltung)
+    meta["year"] = str(datetime.now().year)
+
+    win = Toplevel(root)
+    win.iconbitmap("icon.ico")
+    win.title("Metadaten und Exportoptionen")
+    win.geometry("650x650")
+
+    Label(win, text="Künstlername:").pack()
+    artist_entry = Entry(win, width=40)
+    artist_entry.pack()
+    artist_entry.insert(0, meta.get("artist", ""))
+
+    Label(win, text="Albumname:").pack()
+    album_entry = Entry(win, width=40)
+    album_entry.pack()
+    album_entry.insert(0, meta.get("album", ""))
+
+    Label(win, text="Jahr:").pack()
+    year_entry = Entry(win, width=40)
+    year_entry.pack()
+    year_entry.insert(0, meta.get("year", ""))
+
+    Label(win, text="Cover-Pfad:").pack()
+    cover_entry = Entry(win, width=40)
+    cover_entry.pack()
+    cover_entry.insert(0, meta.get("cover", ""))
+
+    Label(win, text="Art des Inhalts:").pack(pady=10)
+    content_type = StringVar(value="Gottesdienst")
+    for option in ["Gottesdienst", "Hochzeit", "Weissagung", "Jugend", "Sonstiges"]:
+        Radiobutton(win, text=option, variable=content_type, value=option).pack(anchor=W)
+
+    date_event_frame = Frame(win)
+    date_event_frame.pack(pady=10)
+
+    Label(date_event_frame, text="Datum:").grid(row=0, column=0, sticky="ew")
+    date_entry = Entry(date_event_frame, width=20)
+    date_entry.grid(row=1, column=0, padx=5, pady=5)
+    date_entry.insert(0, date_part)
+
+    Label(date_event_frame, text="Veranstaltung (optional):").grid(row=0, column=1, sticky="ew")
+    event_entry = Entry(date_event_frame, width=20)
+    event_entry.grid(row=1, column=1, padx=5, pady=5)
+    event_entry.insert(0, veranstaltung)
+
+    def update_album_name(*args):
+        event = event_entry.get().strip()
+        album_entry.delete(0, END)
+        album_entry.insert(0, generate_album_name(event))
+
+    event_entry.bind("<KeyRelease>", update_album_name)
+
+    confirmed_data = {}
+
+    def confirm():
+        confirmed_data["artist"] = artist_entry.get()
+        confirmed_data["album"] = album_entry.get()
+        confirmed_data["year"] = year_entry.get()
+        confirmed_data["cover"] = cover_entry.get()
+        confirmed_data["type"] = content_type.get()
+        confirmed_data["event"] = event_entry.get().strip()
+        confirmed_data["date_part"] = date_entry.get().strip()
+        win.destroy()
+
+    Button(win, text="Bestätigen", command=confirm).pack(pady=10)
+    win.grab_set()
+    root.wait_window(win)
+
+    return confirmed_data if confirmed_data else None
+
+def get_duration(file):
+    cmd = [
+        "ffprobe", "-v", "error", "-show_entries", "format=duration",
+        "-of", "default=noprint_wrappers=1:nokey=1", file
+    ]
+    try:
+        return float(subprocess.check_output(cmd, universal_newlines=True).strip())
+    except:
+        return 0
+
+def convert_file(entry, index, export_dir, meta, use_subdirs):
+    file = entry['full_path']
+    rel_dir = entry['rel_dir']
+    try:
+        title = os.path.splitext(os.path.basename(file))[0]
+        if use_subdirs and rel_dir:
+            export_subdir = os.path.join(export_dir, rel_dir)
+            os.makedirs(export_subdir, exist_ok=True)
+            mp3_path = os.path.join(export_subdir, f"{title}.mp3")
+        else:
+            mp3_path = os.path.join(export_dir, f"{title}.mp3")
+
+        duration = get_duration(file)
+        if duration == 0:
+            raise Exception("Could not determine file duration.")
+
+        threads = settings.get("threads", 0)
+        cmd = [
+            "ffmpeg",
+            "-i", file,
+            "-threads", str(threads) if threads > 0 else "0",
+            "-c:a", "libmp3lame",
+            "-b:a", "192k",
+            "-y",
+            mp3_path
+        ]
+
+        process = subprocess.Popen(cmd, stderr=subprocess.PIPE, universal_newlines=True)
+        while True:
+            line = process.stderr.readline()
+            if not line:
+                break
+            if "time=" in line:
+                time_str = line.split("time=")[1].split(" ")[0]
+                try:
+                    h, m, s = map(float, time_str.split(':'))
+                    current_time = h * 3600 + m * 60 + s
+                    percentage = min(int((current_time / duration) * 100), 100)
+                    root.after(0, lambda idx=index, pct=percentage, ttl=title: update_progress(idx, pct, ttl, "Konvertiert..."))
+                except:
+                    pass
+
+        process.wait()
+        if process.returncode != 0:
+            raise subprocess.CalledProcessError(process.returncode, cmd)
+
+        audiofile = EasyID3(mp3_path)
+        audiofile["title"] = title
+        audiofile["artist"] = meta["artist"] or "Unbekannt"
+        audiofile["album"] = meta["album"] or "Unbekanntes Album"
+        audiofile["tracknumber"] = str(index + 1)
+        audiofile["date"] = meta.get("year", "")
+        audiofile.save()
+
+        audiofile = ID3(mp3_path)
+        with open(meta["cover"], "rb") as img:
+            audiofile.add(APIC(
+                encoding=3,
+                mime='image/jpeg',
+                type=3,
+                desc=u'Cover',
+                data=img.read()
+            ))
+        audiofile.save()
+
+        return (index, f"{title}.mp3", None)
+    except subprocess.CalledProcessError as e:
+        return (index, os.path.basename(file), f"FFmpeg Error: {str(e)}")
+    except Exception as e:
+        return (index, os.path.basename(file), str(e))
+
+def update_progress(index, percentage, filename, status):
+    file_status_listbox.delete(index)
+    file_status_listbox.insert(index, f"{percentage}% – {filename} – {status}")
+    progress_bars[index]["value"] = percentage
+    root.update_idletasks()
+
+def convert():
+    global is_converting, conversion_running
+    if not file_entries or conversion_running:
+        if not file_entries:
+            messagebox.showerror("Fehler", "Keine Dateien ausgewählt.")
+        return
+
+    conversion_running = True
+    result = confirm_metadata_and_type()
+    if not result:
+        conversion_running = False
+        return
+
+    meta = result
+    content_type = meta["type"]
+    veranstaltung = meta.get("event", "").strip()
+    date_part = meta.get("date_part", datetime.now().strftime("%y%m%d") + WEEKDAY_SHORT_DE[datetime.now().weekday()])
+
+    # Use subdirectories if a folder was selected
+    use_subdirs = (base_folder is not None)
+
+    if content_type in settings.get("export_paths", {}) and content_type != "Sonstiges":
+        base_dir = settings["export_paths"][content_type]
+        os.makedirs(base_dir, exist_ok=True)
+        folder_name = generate_folder_name(date_part, veranstaltung)
+        export_dir = os.path.join(base_dir, folder_name)
+        os.makedirs(export_dir, exist_ok=True)
+    else:
+        export_dir = filedialog.askdirectory(title="Export-Ordner wählen")
+        if not export_dir:
+            conversion_running = False
+            return
+
+    settings["last_export_dir"] = export_dir
+    save_settings(settings)
+
+    sorted_entries = sorted(file_entries, key=lambda x: os.path.basename(x['full_path']).lower())
+    total = len(sorted_entries)
+    file_status_listbox.delete(0, END)
+    for e in sorted_entries:
+        file_status_listbox.insert(END, f"0% – {os.path.basename(e['full_path'])} – Wartet...")
+
+    def run_conversion():
+        global is_converting, conversion_running
+        is_converting = True
+        successful_files = []
+        max_workers = settings.get("threads", 0) or os.cpu_count() or 1
+
+        with ThreadPoolExecutor(max_workers=max_workers) as executor:
+            future_to_file = {executor.submit(convert_file, entry, idx, export_dir, meta, use_subdirs): idx for idx, entry in enumerate(sorted_entries)}
+            for future in as_completed(future_to_file):
+                index = future_to_file[future]
+                result = future.result()
+                index, filename, error = result
+                if error:
+                    update_progress(index, 100, filename, f"Fehler: {error}")
+                else:
+                    update_progress(index, 100, filename, "Fertig!")
+                    successful_files.append(filename)
+
+        save_export_history({
+            "datum": datetime.now().strftime("%d.%m.%Y %H:%M"),
+            "ordner": export_dir,
+            "dateien": successful_files
+        })
+
+        # Custom completion popup with "OK" and "Programm schließen"
+        win = Toplevel(root)
+        win.iconbitmap("icon.ico")
+        win.title("Konvertierung abgeschlossen")
+        win.geometry("300x150")
+        Label(win, text="Konvertierung abgeschlossen!", font=("Arial", 12)).pack(pady=20)
+        Button(win, text="OK", command=win.destroy, width=10).pack(side=LEFT, padx=10, pady=10)
+        Button(win, text="Programm schließen", command=root.destroy, width=15).pack(side=RIGHT, padx=10, pady=10)
+        win.grab_set()
+
+        is_converting = False
+        conversion_running = False
+
+    threading.Thread(target=run_conversion).start()
+
+def on_closing():
+    global is_converting
+    if is_converting:
+        if messagebox.askyesno("Bestätigung", "Konvertierung läuft. Möchten Sie das Programm wirklich beenden?"):
+            root.destroy()
+    else:
+        root.destroy()
+
+Button(root, text="Konvertieren", command=convert).pack(pady=10)
+
+root.protocol("WM_DELETE_WINDOW", on_closing)
+
+root.mainloop()
\ No newline at end of file
diff --git a/start.bat b/start.bat
new file mode 100644
index 0000000..96616b7
--- /dev/null
+++ b/start.bat
@@ -0,0 +1,6 @@
+@echo off
+REM Stelle sicher, dass Python 3.11 in deinem PATH ist oder gib den vollständigen Pfad an.
+python3.11 main.py
+
+REM Optional: Das Fenster bleibt offen, damit du eventuelle Fehlermeldungen sehen kannst.
+pause