diff --git a/src/api/preview_manager.py b/src/api/preview_manager.py
index 7d6c7b1..f2a454a 100644
--- a/src/api/preview_manager.py
+++ b/src/api/preview_manager.py
@@ -7,8 +7,8 @@ from pathlib import Path
 from src.utilities.ffmpeg_helper import generate_thumbnail, save_first_frame
 
 logger = logging.getLogger()
-supported_video_formats = ['.mp4', '.mov', '.avi', '.mpg', '.mpeg', '.mxf', '.m4v', 'mkv']
-supported_image_formats = ['.jpg', '.png', '.exr', '.tif']
+supported_video_formats = ['.mp4', '.mov', '.avi', '.mpg', '.mpeg', '.mxf', '.m4v', '.mkv', '.webm']
+supported_image_formats = ['.jpg', '.png', '.exr', '.tif', '.tga', '.bmp', '.webp']
 
 
 class PreviewManager: