diff --git a/tools/unix/clang-format.sh b/tools/unix/clang-format.sh
new file mode 100755
index 000000000..9c373b85e
--- /dev/null
+++ b/tools/unix/clang-format.sh
@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "Running clang-format on all repository files..."
+
+XARGS_COMMAND='xargs -n1 -0 -P0 clang-format -i'
+
+# Android
+find android/{app,sdk}/src -type f -name '*.java' -print0 | $XARGS_COMMAND
+find android/sdk/src/main/cpp -type f -name '*.[hc]pp' -print0 | $XARGS_COMMAND
+
+# iOS
+find iphone -type f -name '*.[hc]pp' -o -name '*.[hm]' -o -name '*.mm' -print0 | $XARGS_COMMAND
+
+# Core/C++
+find dev_sandbox generator libs qt tools -type f -name '*.[hc]pp' -print0 | $XARGS_COMMAND
+
+git diff --exit-code