diff --git a/.idea/misc.xml b/.idea/misc.xml
index 3999087..bc8d735 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -4,4 +4,7 @@
     <option name="languageLevel" value="ES6" />
   </component>
   <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.6" project-jdk-type="Python SDK" />
+  <component name="PythonCompatibilityInspectionAdvertiser">
+    <option name="version" value="3" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/revpicommander/debugcontrol.py b/revpicommander/debugcontrol.py
index c27845f..4b4726d 100644
--- a/revpicommander/debugcontrol.py
+++ b/revpicommander/debugcontrol.py
@@ -187,7 +187,7 @@ class DebugControl(QtWidgets.QWidget, Ui_wid_debugcontrol):
                 win = self.dict_windows[position]
                 for io in self.dict_ios[io_type][position]:  # type: list
                     # ['name', bitlength, byte_address, 'bmk', bitaddress, 'byteorder', signed]
-                    value_procimg = ba_values[io[2]:io[2] + io[1]]
+                    value_procimg = bytes(ba_values[io[2]:io[2] + io[1]])
                     if io[4] >= 0:
                         # Bit-IO
                         value_procimg = bool(
diff --git a/revpicommander/debugios.py b/revpicommander/debugios.py
index 4a012b1..9b79ceb 100644
--- a/revpicommander/debugios.py
+++ b/revpicommander/debugios.py
@@ -118,7 +118,13 @@ class DebugIos(QtWidgets.QMainWindow, Ui_win_debugios):
             # Bytes or string
             val = QtWidgets.QLineEdit()
             val.setReadOnly(read_only)
+            val.setProperty("big_endian", byteorder == "big")
+            val.setProperty("byte_length", byte_length)
+            val.setProperty("signed", signed)
+            val.setProperty("struct_type", "text")
+
             val.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
+            val.customContextMenuRequested.connect(self.on_context_menu)
 
             # Set alias to use the same function name on all widget types
             val.setValue = val.setText
@@ -186,6 +192,14 @@ class DebugIos(QtWidgets.QMainWindow, Ui_win_debugios):
         sender = self.sender()
         men = QtWidgets.QMenu(sender)
 
+        if sender.property("byte_length") > 4:
+            # Textbox needs format buttons
+            act_as_text = QtWidgets.QAction(self.tr("as text"))
+            men.addAction(act_as_text)
+            act_as_number = QtWidgets.QAction(self.tr("as number"))
+            men.addAction(act_as_number)
+            men.addSeparator()
+
         act_signed = QtWidgets.QAction(self.tr("signed"), men)
         act_signed.setCheckable(True)
         act_signed.setChecked(sender.property("signed") or False)
@@ -215,10 +229,17 @@ class DebugIos(QtWidgets.QMainWindow, Ui_win_debugios):
         elif rc == act_byteorder:
             sender.setProperty("big_endian", act_byteorder.isChecked())
 
-        sender.setProperty("frm", "{0}{1}".format(
-            ">" if act_byteorder.isChecked() else "<",
-            sender.property("struct_type").lower() if act_signed.isChecked() else sender.property("struct_type").upper()
-        ))
+        if sender.property("frm"):
+            sender.setProperty("frm", "{0}{1}".format(
+                ">" if act_byteorder.isChecked() else "<",
+                sender.property("struct_type").lower() if act_signed.isChecked()
+                else sender.property("struct_type").upper()
+            ))
+        elif sender.property("byte_length") > 4:
+            if rc == act_as_text:
+                sender.setProperty("struct_type", "text")
+            elif rc == act_as_number:
+                sender.setProperty("struct_type", "number")
 
         self.set_value(sender.objectName(), actual_value)
         men.deleteLater()
@@ -280,6 +301,23 @@ class DebugIos(QtWidgets.QMainWindow, Ui_win_debugios):
             return struct.pack(child.property("frm"), int(actual_value)), \
                 struct.pack(child.property("frm"), int(last_value))
         elif type(actual_value) == str:
+            if child.property("struct_type") == "number":
+                try:
+                    actual_value = int(actual_value).to_bytes(
+                        child.property("byte_length"),
+                        byteorder="big" if child.property("big_endian") else "little",
+                        signed=child.property("signed") or False
+                    )
+                    last_value = int(last_value).to_bytes(
+                        child.property("byte_length"),
+                        byteorder="big" if child.property("big_endian") else "little",
+                        signed=child.property("signed") or False
+                    )
+                    return actual_value, last_value
+                except Exception:
+                    pi.logger.error("Could not convert '{0}' to bytes".format(actual_value))
+                    pass
+
             return actual_value.encode(), last_value.encode()
         else:
             return actual_value, last_value
@@ -311,8 +349,15 @@ class DebugIos(QtWidgets.QMainWindow, Ui_win_debugios):
         child = self.__qwa[io_name]
         if child.property("frm"):
             value = struct.unpack(child.property("frm"), value)[0]
-        elif type(value) == bytearray:
-            value = value.decode()
+        elif type(value) == bytes:
+            if child.property("struct_type") == "number":
+                value = str(int.from_bytes(
+                    value,
+                    byteorder="big" if child.property("big_endian") else "little",
+                    signed=child.property("signed") or False
+                ))
+            else:
+                value = value.decode()
 
         child.setProperty("last_value", value)
         child.setValue(value)
diff --git a/revpicommander/revpifiles.py b/revpicommander/revpifiles.py
index ea6a7c0..3540671 100644
--- a/revpicommander/revpifiles.py
+++ b/revpicommander/revpifiles.py
@@ -329,7 +329,7 @@ class RevPiFiles(QtWidgets.QMainWindow, Ui_win_files):
                 )
                 self.lbl_path_revpi.setToolTip(self.lbl_path_revpi.text())
 
-        if lst_revpi:
+        if lst_revpi is not None:
             lst_revpi.sort()
 
             for path_file in lst_revpi: