diff --git a/frontend/link_convert.py b/frontend/link_convert.py
index aa4d3b1..009b374 100644
--- a/frontend/link_convert.py
+++ b/frontend/link_convert.py
@@ -10,3 +10,13 @@ def loop():
     if button_clicked and input_link != "":
         res = api.convert_tg_link_to_proxy_link(input_link)
     st.text_area("Convert res text area", value=res, label_visibility="hidden")
+    # preview convert link
+    @st.experimental_fragment
+    def _inner():
+        container = st.container()
+        if container.button("Preview", key=f"convertLinkPreviewBtn", use_container_width=True):
+            p_url = res if res else "./static/404.webm"
+            mime_type = "video/mp4" if res else "video/webm"
+            container.video(p_url, autoplay=False, format=mime_type)
+
+    _inner()