CnrCAD - DWG edit GPS - Viewer

CnrCAD opens, measures and edits DWG, DXF and DGN drawings on your phone. Built for surveyors, technicians, construction and utility teams working in the field.

OPEN YOUR FILES
- Open DWG, DXF and DGN (MicroStation V7 and V8) files, or send them straight from WhatsApp, Gmail or Files with "Open with" / "Share"
- GPU-accelerated drawing engine optimized for large files, with smart detail that sharpens as you zoom
- Layers, layout tabs and Model space
- Shows images embedded in the file (OLE); missing images are marked in place with their file name
- Recent files, favorites and a file info page

MEASURE
- Two-point distance and slope, continuous measure, area and perimeter
- Object snap: endpoint, midpoint, intersection, center, perpendicular, tangent, nearest and more
- Write and query coordinates

DRAW AND EDIT
- Line, polyline, circle, arc, ellipse, rectangle, spline, revcloud, text, dimension and freehand sketch tools
- Tap to select, or press and hold then drag for box select (window / crossing). Box select adds to your current selection, so earlier picks are kept
- Move, copy, rotate, scale, mirror and delete with a single transform gizmo; undo / redo
- Trim, extend, hatch, offset, align, fillet, chamfer, array, join, break, stretch, lengthen, divide, match properties, overkill and polyline edit
- Select similar, layer lock, draw order and property editing
- Insert blocks from a library, create new blocks and explode
- Place and position raster images, with world file (jgw/pgw) support
- Save as DWG or DXF in the version you choose

EXPORT AND SHARE
- Export the drawing as vector PDF
- Share selected objects as DXF, GeoJSON, KML or Shapefile (.zip); line color, weight and hatch color are preserved

MAPS AND GPS
- View your drawing over OpenStreetMap, Google Maps or ArcGIS basemaps
- UTM 3° and 6° coordinate systems, with automatic zone detection from your GPS location
- Live GPS position and compass for stakeout / direction finding

POINTS, SURFACES AND GIS
- Import and export TXT, CSV and NCN point files
- Generate a TIN surface, contour lines, elevation coloring and hillshade from elevation points
- Open KML, KMZ, GeoJSON, Shapefile, GML (including CityGML) and LandXML files as drawings; view the attribute table
- LandXML profile, cross-section and 3D view (surface and pipe network)

AUTOMATION
- Load .lsp files and run your AutoLISP commands (including vla / vlax functions)

MORE
- Interface in English, Turkish, German, French, Spanish, Russian, Arabic, Persian and Azerbaijani
- Built-in help assistant
- Dark theme

FREE AND PRO
Viewing files and basic tools are free; the free version shows ads. Advanced editing, measuring tools, map mode, image insertion and LISP are part of Pro. Choose Pro Monthly, Pro Yearly (7-day free trial) or Pro Lifetime. Subscriptions renew automatically at the price shown until you cancel in Google Play. A free trial converts to a paid subscription unless you cancel before it ends. Pro also removes ads.

PERMISSIONS
Location is requested only while the app is in use, to show your GPS position, for stakeout and for automatic UTM zone detection. Internet access is used for map layers and purchases.

For questions, use "Help & Support" inside the app.

Recent changes:
DWG/DXF DGN GPS viewing, measuring, editing tools, maps and GPS, TIN surfaces, KML/GeoJSON/GML/LandXML import and LISP support.