diff --git a/.gitignore b/.gitignore
index 4c5eaeb9..d60a2fb2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,6 +18,11 @@
 # generated
 *.tx
 
+# converted image data
+*.2bpp
+*.1bpp
+*.pic
+
 # swap files for vim
 .*.swp