Update app.py

app.py

@@ -163,7 +163,7 @@ with gr.Blocks(css=css) as demo:
         
         download_format = gr.Radio(
             label="Download Format",
-            choices=["PNG", "JPEG", "SVG"],
+            choices=["PNG", "JPEG", "SVG", "WEBP"],
             value="PNG",
             type="value",
         )
@@ -184,9 +184,20 @@ with gr.Blocks(css=css) as demo:
             cache_examples="lazy"
         )
 
-        share_button = gr.Button("Share on Twitter")
-        share_button.click(
-            fn=lambda img: f"https://twitter.com/intent/post?url={img}",
+        share_buttons = gr.Row()
+        with share_buttons:
+            twitter_button = gr.Button("Share on Twitter")
+            facebook_button = gr.Button("Share on Facebook")
+
+        twitter_button.click(
+            fn=lambda img: f"https://twitter.com/intent/tweet?url={img}",
+            inputs=[result],
+            outputs=None,
+            _js="(img) => window.open(img, '_blank')"
+        )
+
+        facebook_button.click(
+            fn=lambda img: f"https://www.facebook.com/sharer/sharer.php?u={img}",
             inputs=[result],
             outputs=None,
             _js="(img) => window.open(img, '_blank')"