Linja Zax is Firefox extension created for optimizing Mozilla Firefox for touch screen usage. Linja Zax version 1.0 provides touch screen optimized page viewing, including integrated zooming and panning control with one hand.

Zooming is controlled by rotating a stylus or finger on zooming target point on the screen. The zoom is activated by panning the view with the stylus/finger in a circular motion. Rotating clockwise indicates zooming in, rotating counter clockwise indicates zooming out. Features on 1.0: Spiral zoom, return default zoom level by a double click, panning of page, automatic page alignment, enable/disable extension from toolbar.