diff --git a/.clang-format b/.clang-format
new file mode 100644
index 00000000000..e51b9fcadbe
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,5 @@
+# Run manually to reformat a file:
+# clang-format -i --style=file <file>
+# find . -iname '*.cc' -o -iname '*.h' -o -iname '*.h.in' | xargs clang-format -i --style=file
+BasedOnStyle: Google
+DerivePointerAlignment: false