diff --git a/.prettierignore b/.prettierignore
index 7871bd5d3ad..3934e772006 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -2,4 +2,6 @@
 **/.nyc_output
 /packages/*/spec-tests
 node_modules
-**/node_modules
\ No newline at end of file
+**/node_modules
+*.js
+*.ts
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index de51190cd9f..d2b074c6eea 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -1,5 +1,6 @@
 {
   "recommendations": [
-    "biomejs.biome"
+    "biomejs.biome",
+    "esbenp.prettier-vscode"
   ]
 }
diff --git a/lodestar.code-workspace b/lodestar.code-workspace
new file mode 100644
index 00000000000..7030ab8d727
--- /dev/null
+++ b/lodestar.code-workspace
@@ -0,0 +1,12 @@
+{
+  "settings": {
+    "window.title": "${activeEditorShort}${separator}${rootName}${separator}${profileName}${separator}[${activeRepositoryBranchName}]",
+    "editor.defaultFormatter": "esbenp.prettier-vscode",
+    "[javascript]": {
+      "editor.defaultFormatter": "biomejs.biome"
+    },
+    "[typescript]": {
+      "editor.defaultFormatter": "biomejs.biome"
+    },
+  }
+}