diff --git a/src/web/schemes/submit.py b/src/web/schemes/submit.py
index 832e987..2f5fcb3 100644
--- a/src/web/schemes/submit.py
+++ b/src/web/schemes/submit.py
@@ -40,9 +40,9 @@ class MergeOutputFormatEnum(Enum):
 @dataclass
 class SubmitIn:
     link: str = Form(...)
-    video_format: VideoFormatEnum = Form(default=MergeOutputFormatEnum.format_mp4)
-    audio_format: AudioFormatEnum = Form(default=AudioFormatEnum.format_m4a)
-    merge_output_format: MergeOutputFormatEnum = Form(default=MergeOutputFormatEnum.format_mp4)
+    video_format: VideoFormatEnum = Form(default=MergeOutputFormatEnum.format_webm)
+    audio_format: AudioFormatEnum = Form(default=AudioFormatEnum.format_webm)
+    merge_output_format: MergeOutputFormatEnum = Form(default=MergeOutputFormatEnum.format_mkv)
 
 
 class CheckIn(BaseModel):