diff --git a/sat/core/sat_main.py b/sat/core/sat_main.py
index 82d62592..63efdaea 100644
--- a/sat/core/sat_main.py
+++ b/sat/core/sat_main.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 
-# SAT: a jabber client
+# SàT: an XMPP client
 # Copyright (C) 2009-2020 Jérôme Poisson (goffi@goffi.org)
 
 # This program is free software: you can redistribute it and/or modify
@@ -42,7 +42,7 @@ from sat.memory import cache
 from sat.memory import encryption
 from sat.tools import async_trigger as trigger
 from sat.tools import utils
-from sat.tools import images
+from sat.tools import image
 from sat.tools.common import dynamic_import
 from sat.tools.common import regex
 from sat.tools.common import data_format
@@ -740,11 +740,11 @@ class SAT(service.Service):
     # images
 
     def _imageCheck(self, path):
-        report = images.checkImage(self, path)
+        report = image.check(self, path)
         return data_format.serialise(report)
 
     def _imageResize(self, path, width, height):
-        d = images.resizeImage(path, (width, height))
+        d = image.resize(path, (width, height))
         d.addCallback(lambda new_image_path: str(new_image_path))
         return d
 
@@ -760,7 +760,7 @@ class SAT(service.Service):
         @param path(Path): path to the image
         @return (Path): path to the generated preview
         """
-        report = images.checkImage(self, path, max_size=(300, 300))
+        report = image.check(self, path, max_size=(300, 300))
 
         if not report['too_large']:
             # in the unlikely case that image is already smaller than a preview
@@ -779,7 +779,7 @@ class SAT(service.Service):
                     uid=uid,
                     filename=filename) as cache_f:
 
-                    preview_path = await images.resizeImage(
+                    preview_path = await image.resize(
                         path,
                         new_size=report['recommended_size'],
                         dest=cache_f
diff --git a/sat/tools/images.py b/sat/tools/image.py
similarity index 90%
rename from sat/tools/images.py
rename to sat/tools/image.py
index a0ab780b..32828697 100644
--- a/sat/tools/images.py
+++ b/sat/tools/image.py
@@ -1,7 +1,6 @@
 #!/usr/bin/env python3
 
-
-# SAT: a jabber client
+# SàT: an XMPP client
 # Copyright (C) 2009-2020 Jérôme Poisson (goffi@goffi.org)
 
 # This program is free software: you can redistribute it and/or modify
@@ -25,7 +24,7 @@ from pathlib import Path
 from twisted.internet import threads
 
 
-def checkImage(host, path, max_size=None):
+def check(host, path, max_size=None):
     """Analyze image and return a report
 
     report will indicate if image is too large, and the recommended new size if this is
@@ -57,7 +56,7 @@ def checkImage(host, path, max_size=None):
     return report
 
 
-def _resizeImageBlocking(image_path, new_size, dest=None):
+def _resizeBlocking(image_path, new_size, dest=None):
     im_path = Path(image_path)
     im = Image.open(im_path)
     resized = im.resize(new_size, Image.LANCZOS)
@@ -65,7 +64,7 @@ def _resizeImageBlocking(image_path, new_size, dest=None):
     if dest is None:
         dest = tempfile.NamedTemporaryFile(suffix=im_path.suffix, delete=False)
     elif isinstance(dest, Path):
-        dest = Path.open('wb')
+        dest = dest.open('wb')
 
     with dest as f:
         resized.save(f, format=im.format)
@@ -73,7 +72,7 @@ def _resizeImageBlocking(image_path, new_size, dest=None):
     return Path(f.name)
 
 
-def resizeImage(image_path, new_size, dest=None):
+def resize(image_path, new_size, dest=None):
     """Resize an image to a new file, and return its path
 
     @param image_path(str, Path): path of the original image
@@ -85,4 +84,4 @@ def resizeImage(image_path, new_size, dest=None):
     @return (Path): path of the resized file.
         The image at this path should be deleted after use
     """
-    return threads.deferToThread(_resizeImageBlocking, image_path, new_size, dest)
+    return threads.deferToThread(_resizeBlocking, image_path, new_size, dest)