diff --git a/geotribu_cli/images/images_optimizer.py b/geotribu_cli/images/images_optimizer.py
index 0c578d2..20cc34b 100644
--- a/geotribu_cli/images/images_optimizer.py
+++ b/geotribu_cli/images/images_optimizer.py
@@ -65,9 +65,9 @@ def parser_images_optimizer(
     subparser.add_argument(
         "-o",
         "--output-path",
+        dest="output_path",
         help="Fichier de sortie. Par défaut, stocke dans le dossier de travail local "
         "de Geotribu.",
-        dest="output_path",
     )
 
     subparser.add_argument(
@@ -110,6 +110,10 @@ def run(args: argparse.Namespace):
         args (argparse.Namespace): arguments passed to the subcommand
     """
     logger.debug(f"Running {args.command} with {args}")
+    # dossier de sortie
+    output_folder = Path(
+        args.output_path
+    ) or defaults_settings.geotribu_working_folder.joinpath("images/optim/")
 
     # liste l'image ou les images à optimiser
     if check_path(
@@ -120,10 +124,12 @@ def run(args: argparse.Namespace):
         must_exists=True,
         raise_error=False,
     ):
-        logger.info(f"Dossier d'images passé : {args.image_path}")
+        input_images_folder = Path(args.image_path).resolve()
+        logger.info(f"Dossier d'images passé : {input_images_folder}")
+        logger.info(f"Dossier en sortie : {output_folder}")
         li_images = [
             image.resolve()
-            for image in Path(args.image_path).glob("*")
+            for image in input_images_folder.glob("*")
             if image.suffix.lower() in defaults_settings.images_body_extensions
         ]
         if not li_images:
@@ -133,7 +139,7 @@ def run(args: argparse.Namespace):
             sys.exit(0)
     else:
         logger.debug(f"Image unique passée : {args.image_path}")
-        li_images = [args.image_path]
+        li_images = [Path(args.image_path)]
 
     # Utilise l'outil d'optimisation
     if args.tool_to_use == "tinypng":
@@ -159,7 +165,9 @@ def run(args: argparse.Namespace):
         for img in li_images:
             try:
                 optimized_image = optimize_with_tinify(
-                    image_path_or_url=img, image_type=args.image_type
+                    image_path_or_url=img,
+                    image_type=args.image_type,
+                    output_folder=output_folder,
                 )
                 console.print(
                     f":clamp: L'image {img} a été redimensionnée et "
@@ -187,7 +195,9 @@ def run(args: argparse.Namespace):
         count_optim_error = 0
         for img in li_images:
             try:
-                optimized_image = pil_redimensionner_image(image_path_or_url=img)
+                optimized_image = pil_redimensionner_image(
+                    image_path_or_url=img, output_folder=output_folder
+                )
                 console.print(
                     f":clamp: L'image {img} a été redimensionnée et "
                     f"compressée avec {args.tool_to_use} : {optimized_image}"
@@ -200,10 +210,12 @@ def run(args: argparse.Namespace):
                 )
                 count_optim_error += 1
 
+    # report
+    console.print(
+        f":white_check_mark: {count_optim_success} image(s) correctement redimensionnée(s)\n"
+        f":cross_mark: {count_optim_error} image(s) non redimensionnée(s)"
+    )
+
     # open output folder if success and not disabled
     if args.opt_auto_open_disabled and count_optim_success > 0:
-        open_uri(
-            in_filepath=defaults_settings.geotribu_working_folder.joinpath(
-                "images/optim"
-            )
-        )
+        open_uri(in_filepath=output_folder)
diff --git a/geotribu_cli/images/optim_pillow.py b/geotribu_cli/images/optim_pillow.py
index 6cc187e..a5997f0 100644
--- a/geotribu_cli/images/optim_pillow.py
+++ b/geotribu_cli/images/optim_pillow.py
@@ -35,6 +35,7 @@
 
 def pil_redimensionner_image(
     image_path_or_url: Path,
+    output_folder: Path,
     largeur_max_paysage: int = 1000,
     hauteur_max_portrait: int = 600,
 ) -> Optional[Path]:
@@ -44,6 +45,7 @@ def pil_redimensionner_image(
 
     Args:
         image_path_or_url: chemin ou URL vers l'image
+        output_folder: chemin du dossier de sortie
         largeur_max_paysage: largeur maximum pour une image orientée paysage.
             Defaults to 1000.
         hauteur_max_portrait: hauteur maximum pour une image orientée portrait.
@@ -83,8 +85,8 @@ def pil_redimensionner_image(
     new_img = contain(img, nouvelle_taille)
 
     # sauvegarder l'image
-    output_filepath = defaults_settings.geotribu_working_folder.joinpath(
-        f"images/optim/{image_path_or_url.stem}_resized_{new_img.width}x"
+    output_filepath = output_folder.joinpath(
+        f"{image_path_or_url.stem}_resized_{new_img.width}x"
         f"{new_img.height}{image_path_or_url.suffix}"
     )
     output_filepath.parent.mkdir(parents=True, exist_ok=True)
diff --git a/geotribu_cli/images/optim_tinify.py b/geotribu_cli/images/optim_tinify.py
index ac3380c..33b9a22 100644
--- a/geotribu_cli/images/optim_tinify.py
+++ b/geotribu_cli/images/optim_tinify.py
@@ -9,7 +9,7 @@
 import sys
 from os import getenv
 from pathlib import Path
-from typing import Union
+from typing import Optional, Union
 from urllib.parse import unquote, urlsplit
 
 # 3rd party
@@ -59,8 +59,8 @@ def tinify_check_api_limit() -> int:
 
 
 def optimize_with_tinify(
-    image_path_or_url: Union[str, Path], image_type: str = "body"
-) -> Path:
+    image_path_or_url: Union[str, Path], output_folder: Path, image_type: str = "body"
+) -> Optional[Path]:
     """Optimize image using Tinify API (tinypng.com).
 
     Args:
@@ -110,9 +110,7 @@ def optimize_with_tinify(
         )
 
         # prepare output path
-        output_filepath = defaults_settings.geotribu_working_folder.joinpath(
-            f"images/optim/{img_filename}"
-        )
+        output_filepath = output_folder.joinpath(f"{img_filename}")
         output_filepath.parent.mkdir(parents=True, exist_ok=True)
 
         # save output