diff --git a/ui/format_dialog.py b/ui/format_dialog.py
new file mode 100644
--- /dev/null
+++ b/ui/format_dialog.py
@@ -0,0 +1,61 @@
+# -*- coding: utf-8 -*-
+
+# Form implementation generated from reading ui file 'format_dialog.ui'
+#
+# Created by: PyQt5 UI code generator 5.10.1
+#
+# WARNING! All changes made in this file will be lost!
+
+from PyQt5 import QtCore, QtGui, QtWidgets
+
+class Ui_Dialog(object):
+    def setupUi(self, Dialog):
+        Dialog.setObjectName("Dialog")
+        Dialog.resize(400, 96)
+        self.verticalLayout = QtWidgets.QVBoxLayout(Dialog)
+        self.verticalLayout.setContentsMargins(0, 0, 0, 0)
+        self.verticalLayout.setSpacing(0)
+        self.verticalLayout.setObjectName("verticalLayout")
+        self.gridLayout = QtWidgets.QGridLayout()
+        self.gridLayout.setObjectName("gridLayout")
+        self.sb_to = QtWidgets.QSpinBox(Dialog)
+        self.sb_to.setObjectName("sb_to")
+        self.gridLayout.addWidget(self.sb_to, 1, 1, 1, 1)
+        self.label_2 = QtWidgets.QLabel(Dialog)
+        self.label_2.setMaximumSize(QtCore.QSize(16777215, 16))
+        self.label_2.setObjectName("label_2")
+        self.gridLayout.addWidget(self.label_2, 0, 1, 1, 1)
+        self.sb_from = QtWidgets.QSpinBox(Dialog)
+        self.sb_from.setObjectName("sb_from")
+        self.gridLayout.addWidget(self.sb_from, 1, 0, 1, 1)
+        self.label = QtWidgets.QLabel(Dialog)
+        self.label.setMaximumSize(QtCore.QSize(16777215, 16))
+        self.label.setObjectName("label")
+        self.gridLayout.addWidget(self.label, 0, 0, 1, 1)
+        self.rb_size_720 = QtWidgets.QRadioButton(Dialog)
+        self.rb_size_720.setObjectName("rb_size_720")
+        self.gridLayout.addWidget(self.rb_size_720, 2, 0, 1, 1)
+        self.rb_size_1440 = QtWidgets.QRadioButton(Dialog)
+        self.rb_size_1440.setChecked(True)
+        self.rb_size_1440.setObjectName("rb_size_1440")
+        self.gridLayout.addWidget(self.rb_size_1440, 2, 1, 1, 1)
+        self.verticalLayout.addLayout(self.gridLayout)
+        self.buttonBox = QtWidgets.QDialogButtonBox(Dialog)
+        self.buttonBox.setOrientation(QtCore.Qt.Horizontal)
+        self.buttonBox.setStandardButtons(QtWidgets.QDialogButtonBox.Cancel|QtWidgets.QDialogButtonBox.Ok)
+        self.buttonBox.setObjectName("buttonBox")
+        self.verticalLayout.addWidget(self.buttonBox)
+
+        self.retranslateUi(Dialog)
+        self.buttonBox.accepted.connect(Dialog.accept)
+        self.buttonBox.rejected.connect(Dialog.reject)
+        QtCore.QMetaObject.connectSlotsByName(Dialog)
+
+    def retranslateUi(self, Dialog):
+        _translate = QtCore.QCoreApplication.translate
+        Dialog.setWindowTitle(_translate("Dialog", "Format"))
+        self.label_2.setText(_translate("Dialog", "to"))
+        self.label.setText(_translate("Dialog", "from"))
+        self.rb_size_720.setText(_translate("Dialog", "&720KB"))
+        self.rb_size_1440.setText(_translate("Dialog", "&1.44MB"))
+