diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..ed3892d
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,19 @@
+[*]
+indent_style = tab
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = false
+max_line_length = 90
+
+[*.md]
+max_line_length = 0
+
+[*.elm]
+indent_style = space
+indent_size = 2
+
+[elm.json]
+indent_style = space
+indent_size = 2