roblox asset downloader

# if the imports are underline yellow you have to install them pip install ....
# you also need to own the plugin

import tkinter as tk
from tkinter import messagebox, filedialog
import requests

def download_rbxl():
    asset_id = entry_asset_id.get().strip()
    roblox_cookie = entry_cookie.get().strip()

    if not asset_id.isdigit():
        messagebox.showerror("Invalid ID", "Asset ID must be a number.")
        return

    if not roblox_cookie:
        messagebox.showerror("Missing Cookie", "Please enter your .ROBLOSECURITY cookie.")
        return

    headers = {
        "Cookie": f".ROBLOSECURITY={roblox_cookie}",
        "User-Agent": "Roblox/WinInet",
    }

    try:
        url = f"https://assetdelivery.roblox.com/v1/asset/?id={asset_id}"
        response = requests.get(url, headers=headers)

        if response.status_code != 200:
            messagebox.showerror("Download Failed", f"Error {response.status_code}:\n{response.text}")
            return

        save_path = filedialog.asksaveasfilename(defaultextension=".rbxl",
                                                 filetypes=[("Roblox Files", "*.rbxl"), ("All Files", "*.*")],
                                                 initialfile=f"{asset_id}.rbxl")

        if not save_path:
            return

        with open(save_path, 'wb') as f:
            f.write(response.content)

        messagebox.showinfo("Success", f"Downloaded asset {asset_id} as .rbxl!")

    except Exception as e:
        messagebox.showerror("Error", f"Something went wrong:\n{str(e)}")

root = tk.Tk()
root.title("Roblox Asset Downloader")

tk.Label(root, text="Roblox Asset ID:").pack(pady=(10, 0))
entry_asset_id = tk.Entry(root, width=50)
entry_asset_id.pack(pady=5)

tk.Label(root, text=".ROBLOSECURITY Cookie:").pack(pady=(10, 0))
entry_cookie = tk.Entry(root, width=50, show="*")
entry_cookie.pack(pady=5)

tk.Button(root, text="Download .rbxl", command=download_rbxl).pack(pady=20)

root.geometry("400x250")
root.mainloop()