It has a simple interface and a fixed canvas size. It provides access to previous images through a thumbnail browser. It also includes child-oriented sound effects. Tools include a paintbrush, lines, shapes, a text tool, a large eraser, a set of "magic" special effects, and a rubber stamp tool. Additional stamps and brushes can be added.
Tux Paint has been translated to over two dozen languages, including Spanish, French, German, Italian, Korean, Chinese and Japanese.