diff --git a/bin/prettyall b/bin/prettyall
new file mode 100755
index 0000000..d716a03
--- /dev/null
+++ b/bin/prettyall
@@ -0,0 +1,4 @@
+#!/bin/zsh
+export NODE_OPTIONS=--max-old-space-size=8192
+prettier "{,!(node_modules)/**/}*.js" --write
+prettier "{,!(node_modules)/**/}*.ts" --write