diff --git a/static/app.js b/static/app.js
index 4b4d6f7..abd92c4 100644
--- a/static/app.js
+++ b/static/app.js
@@ -247,6 +247,7 @@ document.addEventListener("keydown", e => {
   if (e.key === "ArrowRight") next_image();
   else if (e.key === "ArrowLeft") prev_image();
   else if (e.key === "Escape") close_gallery();
+  else if (e.key === "f") toggle_fullscreen();
   else if (e.key === "e" && images[current_idx]?.source) window.open(images[current_idx].source, "_blank");
 });