diff --git a/src/utils/emptyNodeModule.js b/src/utils/emptyNodeModule.js
new file mode 100644
index 0000000..186aed2
--- /dev/null
+++ b/src/utils/emptyNodeModule.js
@@ -0,0 +1,3 @@
+// Browser stub for node:module imported conditionally by pdfconvert-wasm in Node environments
+export const createRequire = () => () => ({});
+export default { createRequire };
diff --git a/vite.config.js b/vite.config.js
index 048c23d..e3f061f 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -83,6 +83,9 @@ const sharedDeps = [
 
 const sharedResolve = {
   dedupe: sharedDeps,
+  alias: {
+    'node:module': path.resolve(__dirname, 'src/utils/emptyNodeModule.js'),
+  },
 };
 
 const sharedServer = {