Update app.py

app.py

@@ -8,7 +8,7 @@ from PIL import Image
 count = 0
 def image_to_base64(image):
     buffered = BytesIO()
-    image.save(buffered, format="PNG")
+    image.save(buffered, format="JPEG", quality=90)
     return base64.b64encode(buffered.getvalue()).decode('utf-8')
 
 def base64_to_image(base64_str):