diff --git a/modules/tga_converter.py b/modules/tga_converter.py
index 26841d2..549c889 100644
--- a/modules/tga_converter.py
+++ b/modules/tga_converter.py
@@ -312,7 +312,9 @@ class TGAConverter:
                 
                 # Apply canvas sizing if requested
                 if canvas_size:
-                    image = self._apply_canvas(image, canvas_size, upscale, upscale_method)
+                    # upscale=True unless method is 'none'
+                    do_upscale = upscale and upscale_method != 'none'
+                    image = self._apply_canvas(image, canvas_size, do_upscale, upscale_method)
                 
                 # Determine output path and format
                 if output_name is None:
@@ -347,7 +349,9 @@ class TGAConverter:
                 
                 # Apply canvas sizing if requested
                 if canvas_size:
-                    image = self._apply_canvas(image, canvas_size, upscale, upscale_method)
+                    # upscale=True unless method is 'none'
+                    do_upscale = upscale and upscale_method != 'none'
+                    image = self._apply_canvas(image, canvas_size, do_upscale, upscale_method)
                 
                 # Determine output path and format
                 if output_name is None:
diff --git a/ui/tga_converter_dialog.py b/ui/tga_converter_dialog.py
index 567d333..9b6ffca 100644
--- a/ui/tga_converter_dialog.py
+++ b/ui/tga_converter_dialog.py
@@ -254,6 +254,7 @@ class TGAConverterDialog(QDialog):
         
         canvas_layout.addWidget(QLabel("Upscale:"))
         self.upscale_method_combo = QComboBox()
+        self.upscale_method_combo.addItem("❌ No Upscaling", "none")
         self.upscale_method_combo.addItem("Sharp Pixels (NEAREST)", "nearest")
         self.upscale_method_combo.addItem("Smooth (HQ4x-style)", "hq4x")
         self.upscale_method_combo.addItem("Photorealistic (LANCZOS)", "lanczos")
@@ -263,6 +264,7 @@ class TGAConverterDialog(QDialog):
             self.upscale_method_combo.addItem("🤖 AI Enhanced (Real-ESRGAN)", "ai")
         
         self.upscale_method_combo.setToolTip(
+            "None: Keep original size, just center on canvas\n"
             "NEAREST: Sharp pixel edges (best for pixel art)\n"
             "HQ4x: Smooth but keeps details (best for game icons)\n"
             "LANCZOS: Very smooth (best for photos)\n"