Image showing an example of pixel artwork

mtPaint – painting program to create pixel art and manipulate digital photos

mtPaint is a simple GTK+1/2/3 painting program designed for creating icons and pixel based artwork.

It can edit indexed palette or 24 bit RGB images and offers basic painting and palette manipulation tools. It also has several other more powerful features such as channels, layers and animation.

This is cross-platform software running under Linux and Windows. It’s free and open source software.

Pixel art features include:

  • Edit indexed palette or RGB images.
  • Save and load BMP, GIF, JPEG, JPEG2000, LBM, LSS, PCX, PNG, PNM, TGA, TIFF, WEBP, XPM, XBM files.
  • Extensive palette features – load, save, sort, edit, posterize, quantize, remove duplicate colours, remove unused colours, colour protection, palette shifting.
  • Image channels: Alpha, Selection, Mask. All saved to a PNG file.
  • Up to 100 layers.
  • Create animations by moving layers, or shifting palettes.
  • Create animated GIF’s using Gifsicle.
  • 81 brush presets.
  • 100 preset brush patterns, or up to 256 user-defined ones.
  • User defined gradients.
  • Copy and paste using rectangle or polygon shapes, or freeform masks.
  • Tools to shuffle pixels, flood fill, draw straight lines, smudge, clone, paste text, draw/fill rectangle/ellipses.
  • Use gamma correction when drawing with semi-transparency.

Support: GitHub Code Repository
Developer: Dmitry Groshev (originally developed by Mark Tyler)
License: GNU General Public License v3.0

Click image for full size

mtPaint is written in C. Learn C with our recommended free books and free tutorials.

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