diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000000..a09df23eb8
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,6 @@
+# see https://mirrors.edge.kernel.org/pub/software/scm/git/docs/gitattributes.html
+
+* text=auto whitespace=trailing-space
+
+*.png binary
+*.jpe?g binary