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Doodle on a photo or paint a piece of art from scratch.

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Cosmic Brush ProOverview

Comic Brush Pro allows you to doodle on a photo or paint a piece of art from scratch. Be as creative as you want with painting tools like 3D-Shaded Brush, Halo Brush, Plasma Chain Brush, and Translucent Brush. You will also find more down-to-earth tools, including a standard brush and an eraser.


  • Full Screen Painting
    • Full Screen mode is fully supported.
    • In addition, you can press the Tab key to hide the toolbar.
  • Zooming And Panning:
    • Pinch (trackpad) or use keyboard shortcuts to zoom in/out.
    • To pan, drag with two fingers (trackpad), slide with one finger (Magic Mouse) or use arrow keys.
    • Double tap with two fingers (trackpad) or press Space to reset the zoom/pan.
  • Layers:
    • The image consists of 3 transparent layers on top of each other.
    • To switch between the different layers, use the button that has what looks like a stack of papers in addition to a small symbol (e.g. a flower) of the currently selected layer.
  • Color Sets:
    • Click once on a color to select it. Click a second time to bring up a menu where you can change or adjust the color in a number of ways (this menu also features an Eyedropper tool).
    • Adjacent to the colors you will find buttons to switch between the different color sets.
    • Press a second time if you want to replace the color set with one of the default ones.
  • Popup Help:
    • For information on what a specific button does, just hover the mouse pointer above it for a few seconds and a short explanation will appear.
  • General:
    • Pinch to zoom
    • Full screen support
    • Multiple undo/redo steps
    • Seamless-pattern editing
    • Layers
    • Customizable color sets


Note: Now requires OS X 10.11 or later

  • [New Feature] Rectangle Mode (the button with a rectangle on it, next to the Line Mode button). Works with all tools.
  • [New Feature] A conventional Layer Control, with thumbnails and options, will now open when you click the layer button.
  • [Improvement] All tools have been slightly optimized.
  • [Improvement] Some optimizations.
  • [Improvement] Depending on hardware, and image size, you're no longer restricted to 3 layers.
  • [Improvement] Redesigned dialogs and menus.
  • [Improvement] Improved support for pressure-sensitive trackpads (Force Touch).
  • [Improvement] The Rate/Review button and the Website button can now be found in the Settings menu.
  • [Improvement] Change Paper Color has moved and can now be found in the Layer Control.
  • [Bug fix] Under certain circumstances, the selected tool/color/etc could get stuck on the wrong setting.
  • [Bug fix] A couple of bugs that had the potential to freeze/lock parts of the user interface.
  • [Bug fix] Some full screen issues on certain Mac setups.
  • [Other] Misc. other Improvements and Bug fixes.

Cosmic Brush ProTech Specs

Free to try
File Size
3.9 MB
Operating Systems
Mac OS X
System Requirements
  • OS X 10.11 or later

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