diff --git a/Image/VQGANImage.py b/Image/VQGANImage.py
index d125725..1d84871 100644
--- a/Image/VQGANImage.py
+++ b/Image/VQGANImage.py
@@ -1,11 +1,13 @@
 from os.path import exists as path_exists
 import sys, subprocess
+from loguru import logger
+
 if not path_exists('./taming-transformers'):
   raise FileNotFoundError("ERROR: taming-transformers is missing!")
 if './taming-transformers' not in sys.path:
   sys.path.append('./taming-transformers')
 else:
-  print("DEBUG: sys.path already contains ./taming transformers")
+  logger.debug("DEBUG: sys.path already contains ./taming transformers")
 from taming.models import cond_transformer, vqgan
 
 from pytti import DEVICE, replace_grad, clamp_with_grad, vram_usage_mode
@@ -187,18 +189,18 @@ def init_vqgan(model_name, device = DEVICE):
     vqgan_config     = f'{model_name}.yaml'
     vqgan_checkpoint = f'{model_name}.ckpt'
     if not path_exists(vqgan_config):
-      print(f"WARNING: VQGAN config file {vqgan_config} not found. Initializing download.")
+      logger.warning(f"WARNING: VQGAN config file {vqgan_config} not found. Initializing download.")
       command = VQGAN_CONFIG_URLS[model_name][0].split(' ', 6)
       subprocess.run(command)
       if not path_exists(vqgan_config):
-        print(f"ERROR: VQGAN model {model_name} config failed to download! Please contact model host or find a new one.")
+        logger.critical(f"ERROR: VQGAN model {model_name} config failed to download! Please contact model host or find a new one.")
         raise FileNotFoundError(f"VQGAN {model_name} config not found")
     if not path_exists(vqgan_checkpoint):
-      print(f"WARNING: VQGAN checkpoint file {vqgan_checkpoint} not found. Initializing download.")
+      logger.warning(f"WARNING: VQGAN checkpoint file {vqgan_checkpoint} not found. Initializing download.")
       command = VQGAN_CHECKPOINT_URLS[model_name][0].split(' ', 6)
       subprocess.run(command)
       if not path_exists(vqgan_checkpoint):
-        print(f"ERROR: VQGAN model {model_name} checkpoint failed to download! Please contact model host or find a new one.")
+        logger.critical(f"ERROR: VQGAN model {model_name} checkpoint failed to download! Please contact model host or find a new one.")
         raise FileNotFoundError(f"VQGAN {model_name} checkpoint not found")
         
     VQGAN_MODEL, VQGAN_IS_GUMBEL = load_vqgan_model(vqgan_config, vqgan_checkpoint)
diff --git a/Notebook.py b/Notebook.py
index 1204d44..80883b7 100644
--- a/Notebook.py
+++ b/Notebook.py
@@ -1,6 +1,8 @@
 #this library is designed for use with google colab runtimes.
 #This file defines utility functions for use with notebooks.
 
+from loguru import logger
+
 #https://stackoverflow.com/questions/15411967/how-can-i-check-if-code-is-executed-in-the-ipython-notebook
 def is_notebook():
   try:
@@ -12,7 +14,7 @@ def is_notebook():
     elif shell == 'Shell':
       return True   # Google Colab
     else:
-      print("DEGBUG: unknown shell type:",shell)
+      logger.debug("DEGBUG: unknown shell type:",shell)
       return False
   except NameError:
     return False    # Probably standard Python interpreter
@@ -90,7 +92,7 @@ def load_settings(settings_string, random_seed = True):
   params = Bunch(json.loads(settings_string))
   if random_seed or params.seed is None:
     params.seed = random.randint(-0x8000_0000_0000_0000, 0xffff_ffff_ffff_ffff)
-    print("using seed:", params.seed)
+    logger.debug("using seed:", params.seed)
   return params
 
 def write_settings(settings_dict, f):
@@ -140,9 +142,9 @@ def load_clip(params):
       Perceptor.free_clip()
       raise RuntimeError("Please select at least one CLIP model")
     Perceptor.free_clip()
-    print("Loading CLIP...")
+    logger.debug("Loading CLIP...")
     Perceptor.init_clip(CLIP_MODEL_NAMES)
-    print("CLIP loaded.")
+    logger.debug("CLIP loaded.")
 
 def get_frames(path):
   """reads the frames of the mp4 file `path` and returns them as a list of PIL images"""
@@ -150,13 +152,13 @@ def get_frames(path):
   from PIL import Image
   from os.path import exists as path_exists
   if not path_exists(path+'_converted.mp4'):
-    print(f'Converting {path}...')
+    logger.debug(f'Converting {path}...')
     subprocess.run(['ffmpeg', '-i', path, path+'_converted.mp4'])
-    print(f'Converted {path} to {path}_converted.mp4.')
-    print(f'WARNING: future runs will automatically use {path}_converted.mp4, unless you delete it.')
+    logger.debug(f'Converted {path} to {path}_converted.mp4.')
+    logger.warning(f'WARNING: future runs will automatically use {path}_converted.mp4, unless you delete it.')
   vid = imageio.get_reader(path+'_converted.mp4',  'ffmpeg')
   n_frames = vid._meta['nframes']
-  print(f'loaded {n_frames} frames. for {path}')
+  logger.info(f'loaded {n_frames} frames. for {path}')
   return vid
 
 def build_loss(weight_name, weight, name, img, pil_target):
diff --git a/__init__.py b/__init__.py
index a1a2b72..dbc668f 100644
--- a/__init__.py
+++ b/__init__.py
@@ -6,6 +6,7 @@
 import pandas as pd
 import numpy as np
 from PIL import Image as PIL_Image
+from loguru import logger
 
 DEVICE = torch.device('cuda:0' if torch.cuda.is_available() else 'cpu')
 
@@ -147,7 +148,7 @@ def reset_vram_usage():
   if not track_vram:
     return
   if usage_dict:
-    print('WARNING: VRAM tracking does not work more than once per session. Select `Runtime > Restart runtime` for accurate VRAM usage.')
+    logger.warning('WARNING: VRAM tracking does not work more than once per session. Select `Runtime > Restart runtime` for accurate VRAM usage.')
   usage_mode = 'Unknown'
   prev_usage = torch.cuda.memory_allocated(device = DEVICE)
   usage_dict = defaultdict(lambda:0)
@@ -166,7 +167,7 @@ def set_usage_mode(new_mode, force_update = False):
       current_usage = torch.cuda.memory_allocated(device = DEVICE)
       delta = current_usage - prev_usage
       if delta < 0 and usage_mode != 'Unknown':
-        print('WARNING:',usage_mode, 'has negavive delta of',delta)
+        logger.warning('WARNING:',usage_mode, 'has negavive delta of',delta)
 
       usage_dict[usage_mode] += delta
       prev_usage = current_usage
@@ -209,18 +210,18 @@ def print_vram_usage():
   usage_dict['Unknown'] = torch.cuda.memory_allocated(device = DEVICE) - total
   for k,v in usage_dict.items():
     if v < 1000:
-      print(f'{k}:',f'{v}B')
+      logger.info(f'{k}:',f'{v}B')
     elif v < 1000000:
-      print(f'{k}:',f'{v/1000:.2f}kB')
+      logger.info(f'{k}:',f'{v/1000:.2f}kB')
     elif v < 1000000000:
-      print(f'{k}:',f'{v/1000000:.2f}MB')
+      logger.info(f'{k}:',f'{v/1000000:.2f}MB')
     else:
-      print(f'{k}:',f'{v/1000000000:.2f}GB')
+      logger.info(f'{k}:',f'{v/1000000000:.2f}GB')
   
-  print('Total:',f'{total/1000000000:.2f}GB')
+  logger.info('Total:',f'{total/1000000000:.2f}GB')
   if total != 0:
     overhead = (torch.cuda.max_memory_allocated(device = DEVICE) - total)/total
-    print(f'Overhead: {overhead*100:.2f}%')
+    logger.info(f'Overhead: {overhead*100:.2f}%')
 
 def parse(string, split, defaults):
   tokens = re.split(split, string, len(defaults)-1)