Pencil — Freehand thin line. Click and drag.
Brush — Thick freehand. Pick a brush shape in the preview box below the tools.
Sprayer — Airbrush spray. Pick spray size in the preview box.
Fill — Flood fills an area with the active colour. Click anywhere on the canvas.
Eraser — Erases to white. Pick eraser size in the preview box.
Eyedropper — Click any pixel to pick its colour as the active colour.
Magnify — Click canvas to zoom in. Hold Shift and click to zoom back out.
Text — Click the canvas to place a text box. Type your text, then press Enter to stamp it. Pick font size & style in the toolbar that appears. Press Esc to cancel.
╲ Line — Click and drag to draw a straight line. Pick thickness in the preview box.
⌒ Curve — Click & drag to set start/end point. Then click once to bend it, click again to add a second bend. Pick thickness in the preview box.
Rectangle — Click and drag. Choose outline only, outline+fill, or fill only in the preview box.
Rounded Rect — Same as Rectangle but with rounded corners.
Ellipse — Click and drag to draw an oval. Choose fill mode in the preview box.
Polygon — Click to place each corner point. Double-click to close and finish the shape.
Rect Select — Click and drag a rectangle to select an area. Then drag the selection to move it. Press Delete to erase it.
Free Select — Draw a freehand shape around an area to select it. Then drag to move. Press Delete to erase it.