diff --git a/rwx/sw/ytdlp/__init__.py b/rwx/sw/ytdlp/__init__.py
index b609019..5f6af1f 100644
--- a/rwx/sw/ytdlp/__init__.py
+++ b/rwx/sw/ytdlp/__init__.py
@@ -83,26 +83,42 @@ class Format(Object):
         :param d: format info
         :type d: dict
         """
-        self.format_id = d["format_id"]
-        self.format_note = d.get("format_note")
-        self.quality = d.get("quality")
+        self.uid = d["format_id"]
+        self.extension = d["ext"]
+        self.filesize = d.get("filesize")
+        self.filesize_approx = d.get("filesize_approx")
         self.language = d.get("language")
-        self.ext = d["ext"]
+        self.quality = d.get("quality")
         # video
         self.video_codec = Format.get(d, "vcodec")
         if self.video_codec:
+            self.video_bit_rate = d["vbr"]
             self.video_dynamic_range = d["dynamic_range"]
+            self.video_extension = d["video_ext"]
             self.video_fps = d["fps"]
             self.video_height = int(d["height"])
-            self.video_bit_rate = d["vbr"]
-            self.video_ext = d["video_ext"]
             self.video_width = int(d["width"])
+        else:
+            del self.video_codec
         # audio
         self.audio_codec = Format.get(d, "acodec")
         if self.audio_codec:
             self.audio_bit_rate = d["abr"]
+            self.audio_channels = int(d["audio_channels"])
+            self.audio_extension = d["audio_ext"]
             self.audio_sampling_rate = d["asr"]
-            self.audio_ext = d["audio_ext"]
+        else:
+            del self.audio_codec
+
+    def audio(self) -> str:
+        return f"{self.uid} \
+→ {self.audio_sampling_rate} × {self.audio_channels} \
+@ {self.audio_bit_rate} × {self.audio_codec}"
+
+    def video(self) -> str:
+        return f"{self.uid} \
+→ {self.video_width} × {self.video_height} × {self.video_fps} \
+@ {self.video_bit_rate} × {self.video_codec}"
 
 
 # TODO Playlist/extra
@@ -144,10 +160,10 @@ class Video(Object):
         self.video_formats = []
         for entry in d["formats"]:
             f = Format(entry)
-            if f.video_codec:
+            if hasattr(f, "video_codec"):
                 self.video_format = f
                 self.video_formats.append(f)
-            elif f.audio_codec:
+            elif hasattr(f, "audio_codec"):
                 self.audio_format = f
                 self.audio_formats.append(f)
         thumbnail = d["thumbnails"][-1]["url"]
@@ -177,9 +193,7 @@ def download_video(video_id: str | None) -> None:
     if video_id:
         ytdl(
             {
-                "format": "+".join(
-                    [f"best{av}[ext={EXT}]" for av in ["video", "audio"]]
-                ),
+                "format": "bestvideo[ext=webm]+bestaudio[ext=webm]",
                 "outtmpl": "%(id)s.%(ext)s",
                 "postprocessors": [
                     {