diff --git a/src/rollup/plugins/raw.ts b/src/rollup/plugins/raw.ts
index e32c90ef01..778f4f9015 100644
--- a/src/rollup/plugins/raw.ts
+++ b/src/rollup/plugins/raw.ts
@@ -1,5 +1,6 @@
 import { promises as fsp } from "node:fs";
 import { extname } from "pathe";
+import mime from "mime";
 import type { Plugin } from "rollup";
 
 export interface RawOptions {
@@ -18,15 +19,9 @@ export function raw(opts: RawOptions = {}): Plugin {
     ".css",
     ".htm",
     ".html",
-    ".json",
-    ".json5",
-    ".csv",
     ...(opts.extensions || []),
   ]);
 
-  // TODO: use ext=>mime
-  const isBinary = (id) => !extensions.has(extname(id));
-
   return {
     name: "raw",
     resolveId(id) {
@@ -79,6 +74,17 @@ export function raw(opts: RawOptions = {}): Plugin {
   };
 }
 
+function isBinary(id: string) {
+  const idMime = mime.getType(id) || "";
+  if (idMime.startsWith("text/")) {
+    return false;
+  }
+  if (/application\/(json|xml|yaml)/.test(idMime)) {
+    return false;
+  }
+  return true;
+}
+
 function getHelpers() {
   const js = String.raw;
   return js`
diff --git a/test/fixture/assets/test.json b/test/fixture/assets/test.json
new file mode 100644
index 0000000000..c8c4105eb5
--- /dev/null
+++ b/test/fixture/assets/test.json
@@ -0,0 +1,3 @@
+{
+  "foo": "bar"
+}
diff --git a/test/fixture/routes/assets/all.ts b/test/fixture/routes/assets/all.ts
new file mode 100644
index 0000000000..58b16b9843
--- /dev/null
+++ b/test/fixture/routes/assets/all.ts
@@ -0,0 +1,25 @@
+export default eventHandler(async (event) => {
+  const serverAssets = useStorage("assets/server");
+
+  const keys = await serverAssets.getKeys();
+  const items = await Promise.all(
+    keys.map(async (key) => {
+      return {
+        key,
+        meta: await serverAssets.getMeta(key),
+        data: await serverAssets.getItem(key).then((r) =>
+          // prettier-ignore
+          typeof r === "string" ? r.slice(0, 32) : (isPureObject(r) ? r : `<data>`)
+        ),
+      };
+    })
+  );
+
+  return items;
+});
+
+function isPureObject(value) {
+  return (
+    value !== null && typeof value === "object" && value.constructor === Object
+  );
+}