diff --git a/docs/_static/img/video_to_bw.webm b/docs/_static/img/video_to_bw.webm
new file mode 100644
index 000000000..12c188aad
Binary files /dev/null and b/docs/_static/img/video_to_bw.webm differ
diff --git a/simba/ui/pop_ups/video_processing_pop_up.py b/simba/ui/pop_ups/video_processing_pop_up.py
index 76d3a01a1..8fca41880 100644
--- a/simba/ui/pop_ups/video_processing_pop_up.py
+++ b/simba/ui/pop_ups/video_processing_pop_up.py
@@ -2081,7 +2081,7 @@ def __init__(self):
     def run_video(self):
         video_path = self.selected_video.file_path
         check_file_exist_and_readable(file_path=video_path)
-        self.brightness, self.contrast = brightness_contrast_ui(video_path=video_path)
+        self.brightness, self.contrast = brightness_contrast_ui(data=video_path)
         self.video_paths = [video_path]
         self.apply()
 
@@ -2089,7 +2089,7 @@ def run_directory(self):
         video_dir = self.selected_dir.folder_path
         check_if_dir_exists(in_dir=video_dir, source=self.__class__.__name__)
         self.video_paths = find_files_of_filetypes_in_directory(directory=video_dir, extensions=Options.ALL_VIDEO_FORMAT_OPTIONS.value, raise_error=True)
-        self.brightness, self.contrast = brightness_contrast_ui(video_path=self.video_paths[0])
+        self.brightness, self.contrast = brightness_contrast_ui(data=self.video_paths[0])
         self.apply()
 
     def apply(self):
@@ -2106,6 +2106,7 @@ def apply(self):
         timer.stop_timer()
         stdout_success(f'{len(self.video_paths)} video(s) converted.', elapsed_time=timer.elapsed_time_str)
 
+#BrightnessContrastPopUp()
 
 class InteractiveClahePopUp(PopUpMixin):
     """
diff --git a/simba/video_processors/video_processing.py b/simba/video_processors/video_processing.py
index c3b29eb35..047b2e288 100644
--- a/simba/video_processors/video_processing.py
+++ b/simba/video_processors/video_processing.py
@@ -3445,6 +3445,35 @@ def superimpose_elapsed_time(video_path: Union[str, os.PathLike],
     timer.stop_timer()
     stdout_success(msg=f'Super-imposed time on {len(video_paths)} video(s), saved in {save_dir}', elapsed_time=timer.elapsed_time_str)
 
+
+def video_to_bw(video_path: Union[str, os.PathLike],
+                threshold: Optional[float] = 0.5) -> None:
+    """
+    Convert video to black and white using passed threshold.
+
+    .. video:: _static/img/video_to_bw.webm
+       :loop:
+
+    :param Union[str, os.PathLike] video_path: Path to the video
+    :param Optional[float] threshold: Value between 0 and 1. Lower values gives more white and vice versa.
+    :return: None.
+
+    :example:
+    >>> video_to_bw(video_path='/Users/simon/Downloads/1_LH_clipped_cropped_eq_20240515135926.mp4', threshold=0.02)
+    """
+
+    check_float(name=f'{video_to_bw.__name__} threshold', value=threshold, min_value=0, max_value=1.0)
+    threshold = int(255 * threshold)
+    check_ffmpeg_available(raise_error=True)
+    timer = SimbaTimer(start=True)
+    _ = get_video_meta_data(video_path=video_path)
+    dir, video_name, ext = get_fn_ext(video_path)
+    save_path = os.path.join(dir, f'{video_name}_bw{ext}')
+    cmd = f"ffmpeg -i '{video_path}' -vf \"format=gray,geq=lum_expr='if(lt(lum(X,Y),{threshold}),0,255)'\" -pix_fmt yuv420p '{save_path}' -y"
+    subprocess.call(cmd, shell=True, stdout=subprocess.PIPE)
+    timer.stop_timer()
+    stdout_success(msg=f'Video {video_name} converted.', elapsed_time=timer.elapsed_time_str)
+
 # video_paths = ['/Users/simon/Desktop/envs/simba/troubleshooting/beepboop174/project_folder/merge/Trial    10_clipped_gantt.mp4',
 #                '/Users/simon/Desktop/envs/simba/troubleshooting/beepboop174/project_folder/merge/Trial    10_clipped.mp4',
 #                '/Users/simon/Desktop/envs/simba/troubleshooting/beepboop174/project_folder/merge/Trial    10_clipped_line.mp4',