diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..65a172a
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,12 @@
+---
+BasedOnStyle: LLVM
+AllowShortBlocksOnASingleLine: 'true'
+AllowShortCaseLabelsOnASingleLine: 'true'
+AllowShortFunctionsOnASingleLine: Inline
+AllowShortIfStatementsOnASingleLine: WithoutElse
+AllowShortLambdasOnASingleLine: Inline
+AllowShortLoopsOnASingleLine: 'false'
+AlwaysBreakBeforeMultilineStrings: 'true'
+IndentWidth: '4'
+
+...
diff --git a/tools/format.sh b/tools/format.sh
new file mode 100755
index 0000000..ec33b0f
--- /dev/null
+++ b/tools/format.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+if [[ "$OSTYPE" == "darwin"* ]]; then
+  clang_format_command="clang-format"
+  clang_tidy_command="run-clang-tidy"
+fi
+if [[ "$OSTYPE" == "linux"* ]]; then
+  clang_format_command="clang-format-11"
+  clang_tidy_command="run-clang-tidy-11"
+fi
+
+eval "$clang_format_command -i *.h *.cpp -style=file"
+eval "$clang_tidy_command -fix"