Free Online Art Tools:

​Canvas from Google Chrome
Basic Skill Tool
Limited Brushes
Saves automatically
Has Layers
Can Import Pictures to Edit

​PaintZ
​Medium Skill Tool
Brush Variations
Must save work to device. Does not save automatically.
​No layers
​Can import images to program for editing.

Sketchpad
​Medium/Advance Skill Tool
Multiple Brush Variations/Stamp Tool
Saves work to program. Export in various formats. Save to device.
Layers
Can Import Pictures to Edit