diff --git a/makefile b/makefile
index 4dff710..53aae1b 100644
--- a/makefile
+++ b/makefile
@@ -19,3 +19,12 @@ VPATH = $(IN):$(OUT)
 %.svg: %.asy
 	mkdir -p $(OUT)/svg
 	asy -f svg $(OPTIONS) $< -o $(OUT)/svg/$*
+
+
+%.png: %.asy
+	mkdir -p $(OUT)/png
+	asy -f png $(OPTIONS) $< -o $(OUT)/png/$*
+
+%.webp: %.asy
+	mkdir -p $(OUT)/webp
+	asy -f webp $(OPTIONS) $< -o $(OUT)/webp/$*