Eraser Tool

Erase flattened areas in an image to expose the Canvas.

3d Snagit icon

Note: Eraser and other tools in the Snagit Editor toolbar are available to edit images. To edit and enhance video captures, share your video to TechSmith Camtasia.

Eraser Tool

The Eraser tool completely removes parts of the image so the Canvas beneath is visible. To remove part of an image and replace it with the surrounding color, see Remove Parts of an Image.

  1. Click the Eraser tool in the Snagit Editor toolbar.
    Eraser tool

    Note: If the tool is not visible in the toolbar, click the More dropdown. To customize your toolbar, see Customize the Snagit Toolbar.

  2. Select a Quick Style or edit the tool properties to customize the tool. See Tool Properties.
  3. Click and drag to erase parts of the image on the Canvas. Hold Shift while dragging to erase a straight horizontal or vertical line.
    Example of using eraser in Snagit Editor

    Tip: Erase with precision.

    Select a smaller eraser width and zoom in on the Canvas to precisely erase parts of the image.

  4. When you are finished with the Eraser tool, click the Move tool in the toolbar to select, move, edit, or delete objects you added to your image.
    Move tool

Note: Select Image > Canvas Color (Windows) or Image > Change Canvas Color (Mac) to change the eraser color. If the Canvas color is set to transparent, you will see a checkerboard pattern as you erase. For more information, see Remove a Background.

Tool Properties

Edit the properties to customize the tool.

Tip: Save your customized tools.

Save your customized tools as a Quick Style for future use. See Quickly Access Favorite Styles and Tools.

Eraser properties on Windows Eraser properties on Mac

Drag the slider or enter a value to adjust the width of the eraser.
Width slider

Opacity (Windows)
Drag the slider to adjust the transparency level.
Opacity slider

Antialias (Windows only)
Enable this option to smooth the edges of the erased area.
Example of eraser with and without antialias

Note: This tutorial is for Snagit version 2024. Previous versions may look or function differently.