diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..188aa2a
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,15 @@
+# https://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.{js,json}]
+indent_size = 2
+indent_style = space
+
+[*.md]
+trim_trailing_whitespace = false