diff --git a/lib/browser/sync.d.ts b/lib/browser/sync.d.ts
new file mode 100644
index 0000000..8a0c6c9
--- /dev/null
+++ b/lib/browser/sync.d.ts
@@ -0,0 +1,6 @@
+import * as csvParse from '../index';
+
+export = parse;
+
+declare function parse(input: string, options?: csvParse.Options): any;
+declare namespace parse {}