diff --git a/src-tauri/src/app/invoke.rs b/src-tauri/src/app/invoke.rs
index 916c195..bb05733 100644
--- a/src-tauri/src/app/invoke.rs
+++ b/src-tauri/src/app/invoke.rs
@@ -1,3 +1,4 @@
+use std::fs;
 use tauri::{api, command, AppHandle, Manager};
 
 #[command]
@@ -19,3 +20,9 @@ pub fn fullscreen(app: AppHandle) {
 pub fn open_browser(app: AppHandle, url: String) {
     api::shell::open(&app.shell_scope(), url, None).unwrap();
 }
+
+#[command]
+pub fn download(_app: AppHandle, name: String, blob: Vec<u8>) {
+    let path = api::path::download_dir().unwrap().join(name);
+    fs::write(&path, blob).unwrap();
+}
diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
index 30a7da0..238a342 100644
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@@ -7,7 +7,7 @@ mod app;
 mod util;
 
 use app::{invoke, menu, window};
-use invoke::{drag_window, fullscreen, open_browser};
+use invoke::{download, drag_window, fullscreen, open_browser};
 use menu::{get_menu, menu_event_handle};
 use util::{get_data_dir, get_pake_config};
 use window::get_window;
@@ -43,7 +43,8 @@ pub fn run_app() {
         .invoke_handler(tauri::generate_handler![
             drag_window,
             fullscreen,
-            open_browser
+            open_browser,
+            download
         ])
         .setup(|app| {
             let _window = get_window(app, pake_config, data_dir);