MS Paint Eraser and Fill Tools
Mistakes happen in every drawing, and large areas need color fast. The Eraser removes marks, and the Fill with color tool floods a closed area in one click. Both tools save time and keep pictures clean.
The Eraser Tool
The Eraser rubs out parts of your drawing as you drag across them. Think of a pencil eraser on paper. The tool removes your marks and reveals what lies underneath.
Use the Eraser
- Click the Eraser icon in the Tools section.
- Open the Size menu and choose a width. Large sizes clear big areas. Small sizes fix tiny spots.
- Drag across the part you want to remove.
What the Eraser Leaves Behind
On the background layer, the Eraser paints with the background color, which is usually white. Erasing on an upper layer removes pixels and leaves transparent areas. The behavior depends on your Paint version, so test it on a small spot first.
The Fill with Color Tool
The bucket icon fills a closed area with one color. Closed means every edge of the area connects without a gap. Click inside the area and Paint spreads the color until it reaches the boundary.
Use Fill with Color
- Pick the color you want from the palette.
- Click the Fill with color tool.
- Click inside the closed area. A left-click uses Color 1, and a right-click uses Color 2.
When the Color Leaks
A tiny gap in an outline lets the color escape and flood the whole canvas. Press Ctrl and Z immediately. Zoom in to 400 percent, look along the outline, and draw a small stroke to close the gap. Try the fill again.
Fix White Halos Around Edges
Smooth lines blend into their background with soft pixels. The Fill tool may skip those blended pixels and leave a faint white rim. Cover the rim with a thin outline stroke in the same color, or draw the outline with the Pencil for hard edges. Hard edges fill perfectly.
Combine Both Tools
- Fill a shape with a base color, then erase a small part to create a highlight.
- Draw a fence with a rectangle and erase notches along the top.
- Fill the background first and draw details on top.
Erase Precisely
Zoom in before you erase near fine details. A small eraser size gives clean edges. Hold Shift while dragging to erase in a perfectly straight line. Select an area with a Selection tool when you want to erase inside a boundary and nowhere else, because the Eraser then stays within the selection.
Clear Everything Fast
Press Ctrl and A to select the whole canvas and press Delete. The canvas turns clear in one move. Press Ctrl and Z to bring the picture back when you change your mind.
Common Mistakes
Using a Huge Eraser on Small Details
A big eraser removes nearby details by accident. Choose a size that matches the job.
Filling a Photo
Photos hold thousands of slightly different colors, so a fill covers only a tiny speck. Use brushes or selections for photo edits.
Forgetting the Active Color
The fill uses whichever color is active. Check the Color 1 and Color 2 boxes before you click.
Practice Exercise
Draw a simple cartoon fish outline with the Pencil. Fill the body with orange, the fins with yellow, and the eye with white. Zoom in to find any gap in the lines. Erase a few scale marks to add detail. The exercise combines both tools in one short project.