diff --git a/api/launch-extras.bat b/api/launch-extras.bat
index 126df2c6..5d5ff929 100644
--- a/api/launch-extras.bat
+++ b/api/launch-extras.bat
@@ -1,6 +1,13 @@
 echo "Downloading and converting models to ONNX format..."
 IF "%ONNX_WEB_EXTRA_MODELS%"=="" (set ONNX_WEB_EXTRA_MODELS=extras.json)
-python -m onnx_web.convert --sources --diffusion --upscaling --correction --extras=%ONNX_WEB_EXTRA_MODELS% --token=%HF_TOKEN%
+python -m onnx_web.convert ^
+--sources ^
+--diffusion ^
+--upscaling ^
+--correction ^
+--extras=%ONNX_WEB_EXTRA_MODELS% ^
+--token=%HF_TOKEN% ^
+%ONNX_WEB_EXTRA_ARGS%
 
 echo "Launching API server..."
 flask --app="onnx_web.main:run" run --host=0.0.0.0
diff --git a/api/launch-extras.sh b/api/launch-extras.sh
index 50572aa4..5912ae87 100755
--- a/api/launch-extras.sh
+++ b/api/launch-extras.sh
@@ -22,7 +22,8 @@ python3 -m onnx_web.convert \
   --upscaling \
   --correction \
   --extras=${ONNX_WEB_EXTRA_MODELS:-extras.json} \
-  --token=${HF_TOKEN:-}
+  --token=${HF_TOKEN:-} \
+  ${ONNX_WEB_EXTRA_ARGS:-}
 
 echo "Launching API server..."
 flask --app='onnx_web.main:run' run --host=0.0.0.0
diff --git a/api/launch.bat b/api/launch.bat
index 09ddfccd..725aa0e7 100644
--- a/api/launch.bat
+++ b/api/launch.bat
@@ -1,5 +1,11 @@
 echo "Downloading and converting models to ONNX format..."
-python -m onnx_web.convert --sources --diffusion --upscaling --correction --token=%HF_TOKEN%
+python -m onnx_web.convert ^
+--sources ^
+--diffusion ^
+--upscaling ^
+--correction ^
+--token=%HF_TOKEN% ^
+%ONNX_WEB_EXTRA_ARGS%
 
 echo "Launching API server..."
 flask --app="onnx_web.main:run" run --host=0.0.0.0
diff --git a/api/launch.sh b/api/launch.sh
index 55b6ff72..bca6dfb3 100755
--- a/api/launch.sh
+++ b/api/launch.sh
@@ -21,7 +21,8 @@ python3 -m onnx_web.convert \
   --diffusion \
   --upscaling \
   --correction \
-  --token=${HF_TOKEN:-}
+  --token=${HF_TOKEN:-} \
+  ${ONNX_WEB_EXTRA_ARGS:-}
 
 echo "Launching API server..."
 flask --app='onnx_web.main:run' run --host=0.0.0.0