update 20250219

Tools_Base64Decoder/Form1.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace Tools_Base64Decoder
+{
+    public partial class Form1 : Form
+    {
+        public Form1()
+        {
+            InitializeComponent();
+        }
+
+        private void button1_Click(object sender, EventArgs e)
+        {
+           System.IO.File.WriteAllBytes(textBox2.Text, Convert.FromBase64String(textBox1.Text));
+        }
+    }
+}