diff --git a/BudaPortaXmlConvert.py b/BudaPortaXmlConvert.py
index 8f7928a..6a5ba45 100644
--- a/BudaPortaXmlConvert.py
+++ b/BudaPortaXmlConvert.py
@@ -11,6 +11,7 @@ import xml.etree.ElementTree as ET
 import csv
 import datetime
 import os
+import xmlformatter
 
 
 # ---------------------------------------------------------------------------- #
@@ -147,7 +148,7 @@ for i, table in enumerate(csvArrs):
 xmlReqData = []
 for i, table in enumerate(reqData):
     print(f'Fájl ellenőrzése: {csvFileNames[i]}')
-    
+
     # unwrap data
     currXmlData = getXmlData(table)
 
@@ -158,7 +159,7 @@ for i, table in enumerate(reqData):
     else:
         # remove bad lines
         print(wrongLines)
-        for ele in sorted(wrongLines, reverse = True):
+        for ele in sorted(wrongLines, reverse=True):
             del currXmlData[ele]
     print()
     xmlReqData.append(currXmlData)
@@ -188,24 +189,36 @@ while fileNameNotFound:
     if not os.path.exists(fileName):
         fileNameNotFound = False
 
-
 print(f'Fájl mentése ide: {fileName}')
 print()
 
 # --------------------------------- Write xml -------------------------------- #
 
 data = ET.Element('Leolvasasok')
-data.tail = '\r\n'
 for mérő in allXmlData:
     currSub = ET.SubElement(data, 'Leolvasas')
-    currSub.tail = '\r\n'
     for adat in mérő:
         a = ET.SubElement(currSub, adat)
         a.text = mérő[adat]
-        a.tail = '\r\n'
 
-print(ET.dump(data))
-print()
+xmlString = ET.tostring(data, encoding="utf-8", xml_declaration=True)
 
-tree = ET.ElementTree(data)
-tree.write(fileName, encoding="utf-8", xml_declaration=True)
+# -------------------------------- Format xml -------------------------------- #
+
+formatter = xmlformatter.Formatter(indent="2", indent_char=" ")
+formattedXml = formatter.format_string(xmlString)
+
+# print(formattedXml)
+
+# ----------------------------- Fix line endings ----------------------------- #
+
+WINDOWS_LINE_ENDING = b'\r\n'
+UNIX_LINE_ENDING = b'\n'
+
+formattedXml = formattedXml.replace(UNIX_LINE_ENDING, WINDOWS_LINE_ENDING)
+
+# --------------------------------- Save file -------------------------------- #
+
+f = open(fileName, "xb")
+f.write(formattedXml)
+f.close
diff --git a/README.md b/README.md
index 68c2a9e..027f68f 100644
--- a/README.md
+++ b/README.md
@@ -27,3 +27,8 @@ A file nevében ne legyen ékezetes karakter.
 Egy sor sem lehet 50 karakternél hosszabb!
 
 
+## Telepítés
+
+```shell
+pip install -r requirements.txt
+```
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..2263b12
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+xmlformatter
\ No newline at end of file