Use PDFin to open and edit PDF drawings within Autodesk® AutoCAD® and other Autodesk programs. Ideal for older versions without built-in PDF support. Trial with watermark.

It calculates flat (unfolded) sheet development of ducts, rectangle to round transitions, cylinders, cones, intersections, connections, Ys, elbows, etc. For HVAC, hoppers, cyclones, ducts, silos, etc.

Export Hatch Areas and Polyline Areas and Categorized by Layer.

Edit the texts with mathematical calculations, change precision and add Suffix / Prefix.

Add the length of multiple lines , multiple pair of points ,or multiple polylines.

Copy drawing summary properties and custom properties from one drawing to multiple drawings.

Find a word or phrase throughout a whole set of drawings.

Copy and Paste the group(s) between two drawings. Normally, when copying object(s) in group to another drawing, the group information will be removed. This tool will help you in this situation

Length, Area, Volume and Unit conversion for Autodesk® AutoCAD® objects.

BC MoTI Barrier Warrant Index Calculator.

QuickAreas is a handy add-in for Autodesk® AutoCAD® that retrieves the area property of multiple polylines and inserts a label with its associated area value.

BOM extractor is a tool to extract information from Block Attributes and Dynamic blocks Properties of blocks available in the Drawing File. It also updates the attribute value in drawing.

Converts PDF files into editable DWG files.

CAD Time Tracking and Analytics - Record and report the true edit and elapsed time spent in drawings and other engineering documents.

QuickCalc is a simple but powerful application that allows the user to perform addition and subtraction operations within Autodesk® AutoCAD®.

Converts PDF files into editable DWG and DXF files. 30-day Trial.

These time saving tools are used to create surface developments of basic shapes.