diff --git a/js/Constants.js b/js/Constants.js
index 1f676f0e..1290e5e9 100644
--- a/js/Constants.js
+++ b/js/Constants.js
@@ -8,6 +8,12 @@ var Constants = {
      * strokes and rectangles:
      */
     SELECTION_TRANSPARENT_COLOR: 'rgba(255, 255, 255, 0.6)',
+
+    /*
+     * When a tool is hovering the drawing canvas, we highlight the eventual
+     * pixel target with this color:
+     */
+    TOOL_TARGET_HIGHLIGHT_COLOR: 'rgba(255, 255, 255, 0.2)',
     
     /*
      * Default entry point for piskel web service:
diff --git a/js/drawingtools/BaseTool.js b/js/drawingtools/BaseTool.js
index d2fd9477..b0c1dba5 100644
--- a/js/drawingtools/BaseTool.js
+++ b/js/drawingtools/BaseTool.js
@@ -12,7 +12,24 @@
 	
 	ns.BaseTool.prototype.moveToolAt = function(col, row, color, frame, overlay) {};
 
-	ns.BaseTool.prototype.moveUnactiveToolAt = function(col, row, color, frame, overlay) {};
+	ns.BaseTool.prototype.moveUnactiveToolAt = function(col, row, color, frame, overlay) {
+		if (overlay.containsPixel(col, row)) {
+			if (!isNaN(this.highlightedPixelCol) &&
+				!isNaN(this.highlightedPixelRow) &&
+				(this.highlightedPixelRow != row ||
+					this.highlightedPixelCol != col)) {
+
+				// Clean the previously highlighted pixel:
+				overlay.clear();
+			}
+
+			// Show the current pixel targeted by the tool:
+			overlay.setPixel(col, row, Constants.TOOL_TARGET_HIGHLIGHT_COLOR);
+
+			this.highlightedPixelCol = col;
+			this.highlightedPixelRow = row;	
+		}
+	};
 
 	ns.BaseTool.prototype.releaseToolAt = function(col, row, color, frame, overlay) {};