diff --git a/script/install_OSX_dependency.sh b/script/install_OSX_dependency.sh
index 42c99bb..61756db 100755
--- a/script/install_OSX_dependency.sh
+++ b/script/install_OSX_dependency.sh
@@ -36,6 +36,7 @@ brew install nodejs npm openssl
 sudo npm install -g rtlcss
 sudo npm install -g less
 sudo npm install -g prettier
+sudo npm install -g prettier @prettier/plugin-xml
 yes n|pyenv install 3.7.7
 pyenv local 3.7.7
 
diff --git a/script/install_debian_dependency.sh b/script/install_debian_dependency.sh
index dab9ab5..820eee1 100755
--- a/script/install_debian_dependency.sh
+++ b/script/install_debian_dependency.sh
@@ -57,6 +57,7 @@ sudo npm install -g less
 
 echo -e "\n---- Test tool ----"
 sudo npm install -g prettier
+sudo npm install -g prettier @prettier/plugin-xml
 
 sudo ln -fs /usr/local/bin/lessc /usr/bin/lessc
 
diff --git a/script/maintenance/prettier_xml.sh b/script/maintenance/prettier_xml.sh
new file mode 100755
index 0000000..d29771b
--- /dev/null
+++ b/script/maintenance/prettier_xml.sh
@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+# This will format all xml
+# argument 1: directory or file to format
+prettier --xml-whitespace-sensitivity "ignore" --prose-wrap always --tab-width 4 --no-bracket-spacing --print-width 120 --write $@