diff --git a/.clang-format b/.clang-format
new file mode 100644
index 00000000..51f3287f
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,12 @@
+BasedOnStyle: google
+IndentWidth: 4
+TabWidth: 4
+ColumnLimit: 120
+UseTab: Never
+AllowShortFunctionsOnASingleLine: All
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+BreakBeforeBraces: Allman
+AccessModifierOffset: -4
+DerivePointerAlignment: false
+PointerAlignment: Left
diff --git a/code_format.sh b/code_format.sh
new file mode 100755
index 00000000..3e2d3552
--- /dev/null
+++ b/code_format.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+CLANG_FORMAT_PATH=$(which clang-format)
+
+ if [ -z "$CLANG_FORMAT_PATH" ]; then
+    echo "clang-format not found."
+    exit 1
+fi
+
+PROJECT_ROOT=$(dirname "$0")
+
+cpp_files=$(find $PROJECT_ROOT -name '*.cpp' -or -name '*.h' )
+
+for file in $cpp_files; do
+    echo "Formatting $file"
+    $CLANG_FORMAT_PATH -i $file
+done
+
+echo "All .cpp or .h files have been formatted."