diff --git a/.editorconfig b/.editorconfig
index 2e10a0d5..ac225590 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -1,2 +1,15 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+[*.{rb,js,json,yaml,yml}]
+indent_style = space
+indent_size = 2
+
+[*.{rb,js}]
+max_line_length = 80
+
 [README.md]
 max_line_length = unset
diff --git a/.prettierrc.json b/.prettierrc.json
new file mode 100644
index 00000000..5ae09c2e
--- /dev/null
+++ b/.prettierrc.json
@@ -0,0 +1,5 @@
+{
+  "bracketSpacing": true,
+  "trailingComma": "none",
+  "semi": true
+}