Free tools

Free tools for everyday site work. No licence required and no software to install.

AS 2870 site classification calculator

Work out characteristic surface movement and the resulting site class from soil profile inputs, following AS 2870 as published.

12d Model to DXF converter

Turn a .12da or .12daz handover into a layered DXF that opens in AutoCAD, BricsCAD or Civil 3D, with no 12d licence. Surfaces export as 3D faces, contours or LandXML.

Bluebeam markup to DXF converter

Pull the clouds, callouts, lines, measurements and comments out of a Bluebeam-marked PDF as a layered DXF, without the underlying drawing. Exports in sheet millimetres or at the drawing's calibrated scale.