diff --git a/tilecloud_chain/__init__.py b/tilecloud_chain/__init__.py
index cc9950671..974c67a93 100644
--- a/tilecloud_chain/__init__.py
+++ b/tilecloud_chain/__init__.py
@@ -1475,6 +1475,12 @@ def __call__(self, tile: Tile | None = None) -> Tile | None:
             self.nb += 1
         return tile
 
+    def __str__(self) -> str:
+        return f"Count: {self.nb}"
+
+    def __repr__(self) -> str:
+        return f"Count: {self.nb}"
+
 
 class CountSize:
     """Count the number of generated tile and measure the total generated size."""
@@ -1492,6 +1498,12 @@ def __call__(self, tile: Tile | None = None) -> Tile | None:
                 self.size += len(tile.data)
         return tile
 
+    def __str__(self) -> str:
+        return f"CountSize: {self.nb} {self.size}"
+
+    def __repr__(self) -> str:
+        return f"CountSize: {self.nb} {self.size}"
+
 
 class HashDropper:
     """
diff --git a/tilecloud_chain/generate.py b/tilecloud_chain/generate.py
index 649026d86..050fcab9f 100644
--- a/tilecloud_chain/generate.py
+++ b/tilecloud_chain/generate.py
@@ -77,6 +77,12 @@ def __call__(self, tile: Tile) -> Tile:
 
         return tile
 
+    def __str__(self) -> str:
+        return self.__class__.__name__
+
+    def __repr__(self) -> str:
+        return self.__str__()
+
 
 class Generate:
     """Generate the tiles, generate the queue, ..."""