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Full program · Windows, Android, Linux, macOS, the browser and iPhone

A CAD that speaks DWG natively

It reads and writes DXF and DWG natively, with no AutoCAD and no converters in between, and it is a full PDF reader too. And it brings the surveying that every other program sells separately.

Download from the Microsoft StoreGet it on Google Play
Direct downloadTry it in the browserPricing

It just opens. Nothing to install, no sign-up.

How to install it

Four ways in: on Windows, the store is the least trouble; on Android, Google Play.

What it brings

Surveying, in the ribbon and not in an add-on

From the point file your total station produces to the drawing with its bearing-and-distance table, without leaving the program.

  • Import points from TXT, CSV or DXF, hand-typed bearings and KML
  • Define the perimeter, change the start and reverse the direction
  • Bearing-and-distance table, coordinate table, or the full one, tied to their perimeter: if it changes, they warn you and update
  • Label sides and areas, in metres, varas or the unit you choose
  • TIN triangulation, labelled contour lines and longitudinal profiles
  • Sections, volumes, and point and KML export

Subdivision: the lots appear as you point

Split polygon opens a bar over the drawing and draws the lots live: click the boundary that faces the street and the parcel is shared out, with the area labelled on each lot. Lay out the streets, move a line by hand and the other lots share out what is left.

  • Equal lots, by number, by area or by frontage (equal frontages, fixed frontage, frontage by depth)
  • Cuts from the front, from a point A to a point B, along a direction, from the back line or at a corner, and in two rows
  • Streets that run across the parcel, with the crossing of two streets left open
  • Minimum frontage and tolerance: a lot that does not comply turns red instead of disappearing
  • The subdivision tables (lot areas, number of lots and areas per polygon), in the order and with the names you choose
  • With the bar open you can use any other command without losing the layout

The terrain in 3D, to look at and measure on

From the Surveying tab, the TIN, the points or the contours open in their own window as a model coloured by elevation, with the contours on top. Orbit it with the mouse or with your fingers, full screen on the phone too, and what you measure is measured on the ground, not in plan.

  • Vertical exaggeration, colours by elevation, triangles, contours and the survey point cloud
  • Horizontal, slope and along-the-ground distance, with height difference, grade and azimuth
  • Plan area and surface area, with the perimeter
  • Edit point by point: add, remove or change the elevation of a point, and densify the mesh
  • Polylines draped on the terrain, running over the hills
  • Save it separately as DWG, DXF, OBJ or STL, or take it into the drawing

Cut and fill, seeing where the number comes from

In the same window, a platform at the elevation you choose: the terrain turns red where it is cut and blue where it is filled, and the cubic metres follow the slider as you raise or lower it. The volume is the exact one of the TIN prisms, and those prisms can be shown on their own to see how it was calculated.

  • Over the whole terrain or inside a polygon you draw on it, against a horizontal platform (slopes are not part of the calculation yet)
  • Balance: the elevation at which cut equals fill
  • The cut and fill solids on their own, and the daylight line in amber
  • Swell and shrinkage factors, with textbook materials or the ones from your soil study
  • How much is left over to haul away or how much has to be borrowed, in bank and loose
  • Without a license you see the whole process; the figures and the balance elevation come with it

Georeferencing, with the ground underneath

Ready-to-use coordinate systems (for El Salvador, Guatemala and Costa Rica, with more to come), the option to define your own with its parameters, and satellite imagery under the drawing.

  • Preconfigured systems for El Salvador (Lambert SIRGAS-ES2007), Guatemala (GTM, plus North and South on NAD27) and Costa Rica (CRTM 05, plus North and South Lambert)
  • Define your own system (projection, ellipsoid and datum) and it is available in all your drawings
  • Datum shift between systems (NAD27, WGS 84, SIRGAS), and the drawing carries its system inside: it opens the same on another computer
  • Satellite background under the drawing, to check against the ground
  • Imagery inside the drawing: referenced or embedded, and it plots to PDF
  • Your GPS position on the drawing, with its error circle

The technical description, written for you

The same one that goes into the deed, in legal language, with the territorial catalogue already inside: El Salvador (departments, municipalities, districts and cantons) and Guatemala (departments, municipalities and aldeas).

  • Owner, location and adjoining owners
  • Bearings and distances spelled out, in the format the notary expects
  • Exports to Word and to PDF
  • The square vara as a first-class unit

And it is a whole CAD, not a viewer with extras

Layers, blocks, dimensioning, layouts and plotting. What you expect from a drawing program, so the drawing does not have to be finished somewhere else.

  • Layers, properties, groups and blocks, dynamic ones included
  • Linear, aligned, radius, diameter and angular dimensions, and leaders
  • Layouts, paper space and viewports
  • Plotting to PDF and to a printer, with plot styles
  • Trace a PDF and import MicroStation DGN

Bring in what you already have, wherever it comes from

Old drawings, GNSS points and reference images come in without a detour through another program. And what it exports, AutoCAD opens.

  • Opens DXF and DWG, and imports MicroStation DGN
  • Imports a PDF to trace it or take in its strokes
  • Points from CSV: what comes off the GNSS or the total station
  • External references and embedded images
  • Blocks with attributes: create, manage and edit in place

3D Modeling, SketchUp style

The same selector on the status bar switches to 3D Modeling: draw a rectangle, a circle or a polygon and raise it with Push/Pull, seeing the solid result before you let go. Move, copy, rotate and scale with exact measurements, and everything goes into the same DWG, which AutoCAD opens.

  • The middle button orbits and the wheel zooms, as in SketchUp, and measurements are typed on the command line
  • Boxes, cylinders, cones, pyramids and spheres, with union, subtraction and intersection
  • Follow Me, Offset, Fillet and Chamfer, materials to paint with and section planes
  • Fusion-style parametric design: sketches with constraints and dimensions, extrude, revolve and a timeline
  • Import and export OBJ, STL, glTF and DAE
  • And it opens what you already have in 3D: SketchUp models exported to DWG or DXF, and AutoCAD and Revit solids

3D Architecture: the house, level by level

The selector on the status bar switches from 2D Drawing to 3D Architecture, and the house goes up on the ground with the sky behind it: walls, doors, windows, slabs, roofs and stairs, each with its measurements, rebuilt whenever you change them. Everything is saved in the same DWG, which AutoCAD opens. You design on the computer; on the phone and in the browser you look at it and walk through it.

  • Levels with their elevation and height, each on its own layer: turning it off hides that floor
  • Walls drawn in a chain by typing the length, mitred at the corners, or raised on the lines of a 2D drawing
  • Doors and windows (sliding and louvred too) that cut their own opening and move with their wall
  • Shed, gable and hip roofs, also on L, T or U shaped houses; straight, L or U stairs with a railing; rooms with their area and sixteen pieces of furniture
  • 2D drawings taken from the model: the plan of each level, the four elevations and the sections, with their dimensions
  • The sun for any date and time with its shadows, and a walkthrough your client explores without a license on a computer, a phone or the browser

A full PDF reader, in its own tab

A PDF opens next to the DWGs, with the same unlimited zoom, and on the computer with a reader's ribbon (PDF, Edit and Sign). Read it, mark it up and reorder it without Acrobat, and the markup is saved in the same PDF. On the phone and in the browser too, where saving downloads it.

  • Continuous pages with a thumbnail panel, search and copy its text, and print it
  • Highlighter, pen, underline, strike out, comments and text typed on the page, in five colours
  • Fill in forms, and links work: the ones in the table of contents go to their page
  • Rotate, reorder or delete pages, and insert those of another PDF or an image
  • Protect it with a password, and make a new PDF from photos

Electronic signature, without Adobe

Sign a PDF with your certificate and a stamp you design, and check the signed ones you receive. On the computer, signing is a mode with its own ribbon: drag the stamp onto the page, on the page or pages you choose, and sign. On every system except the browser.

  • With the UKC Desktop certificate or one in a file (.pfx), from any country
  • Saved stamps with their title, your text, your logo and up to two images, and a default one
  • PAdES inside the PDF, like Acrobat, or a detached signature in CAdES or XAdES
  • Lock the document after signing it
  • Validate: whether the document changed, who signed it and whether the certificate is revoked
  • Without a license you can prepare everything; the Sign button is what needs one

Job management: clients, quotes and payments

What used to live in a notebook or a spreadsheet, inside the program: the company's clients, quotes and jobs, with what has been paid and what remains. It works offline, on the computer, on the phone and in the browser (iPhone and iPad included), and it is shared between devices through the company's Google Drive: the data stays there, not on a server of ours.

  • Numbered quotes with their line items, discount and tax; accepting one creates the job
  • Jobs with the statuses your company defines (Quoted, In the field, Drafting, Delivered, Paid…), progress, notes and dates picked on a calendar
  • Every installment shows what remains of the total, and the lists filter by status and by year or between two dates
  • Photos, PDFs and drawings attached to any job, quote or client
  • One profile per person, with a PIN if they want: the activity log shows who did what and when, and whatever is deleted goes to a trash bin
  • Without a license it can be fully used, but only on that device: Google Drive, exporting to Excel and the backup come with one

The whole application, on the phone too

The Android version is not a cut-down viewer: it is the same program, with the ribbon folded into cards for a finger and a start screen like any Android app of today. And plugged into a screen, with a keyboard and a mouse, the phone switches to the full desktop interface and becomes the work computer.

  • The same commands and the same tabs as on the desktop; the DWG opens the same on both
  • Files, with search, a PDF or drawings filter and a cards, grid or list view
  • Opens as a viewer, so a touch in the field moves nothing; a switch turns editing on
  • With a monitor (Samsung DeX, an HDMI cable or a wireless dock), keyboard and mouse, it switches by itself to the desktop interface with every function
  • Print to Android printers, and share a drawing by WhatsApp or email
  • With a finger and with a stylus, and a bar with Esc, Enter and the options of each command
Direct download

Field tools, in your pocket

On the phone, the Tools section brings what is useful in the field without opening a drawing. What you measure is saved by itself and goes into a drawing whenever you want: the points, their names and the lines.

  • Measure with GPS: a data collector with named points and descriptions, lines, distances and areas over the satellite background, and surveys that save themselves (on Windows and in the browser too)
  • Measure with the camera: distances, paths, areas and heights by pointing the phone
  • Photo with coordinates: the coordinate, the date and whatever you choose, stamped on the photo and saved to the gallery
  • The current coordinate in the system you choose, live and with its error, and the compass
  • The length, area, deed area, angle and coordinate converter
  • Buttons in the Android quick settings for the coordinate, the compass, the sound mode and the volume

And ten games, for the waiting

On the start screen, on the phone and on the desktop. The first one is about surveying: Stake-out, which is the property description in reverse. All with sound, which can be turned off, and a game left halfway is saved.

  • Stake-out: you get the bearing and the distance, and you drive the marker where it belongs
  • Solitaire with the TopoMan logo on the card backs, Sudoku and Minesweeper
  • Snake, Blocks and Starships, with four ships, power-ups and a boss at the end of every level
  • Gems and Wood blocks, level by level, and Moon base: robots against martians on the Moon
  • Without a license you play Stake-out; the other nine come with it

And the rest of the ribbon

The same tabs on Windows, Linux, macOS, Android and the browser. These are the five missing above, as they look in the program.

  • Annotate: text, dimensions and the marks of a drawing

    What is written over the drawing: text with its style, dimensions with the sizes your office uses, tables, and the two marks every survey drawing carries.

    • Multiline text, with its style and height
    • Aligned, linear, radius, diameter and angular dimensions and leaders, with dimension and leader styles
    • Tables and table styles
    • North arrow with its declination, and a label with the coordinates of the point you pick

  • View: move around the drawing and see it as the other side will

    Zoom and pan, the layer and property palettes, and a switch that shows the drawing with TopoMan resources only: the way it will look on a machine with nothing from AutoCAD installed.

    • Zoom extents, zoom window and pan
    • Distance, select all and properties, by hand
    • Layer, diagnostics and property palettes
    • TopoMan resources only, or the AutoCAD fonts and hatches if it is installed
    • Settings, units and point style

  • Layout: the sheet that gets printed

    Paper space: a sheet with its size and its viewports to scale, with the title block and the drawing inside. What you hand over, kept apart from the model, which stays in its real units.

    • New layout, copy, delete and page setup
    • Viewports with their scale, locked or not, clipped, and entering them to move the model
    • Several layouts in one drawing, with their tabs at the bottom
    • The tab shows up by itself when you enter a sheet, as in AutoCAD
    • Read from and saved to the DWG like AutoCAD ones

  • Output: print, save and check the file

    Plot to the printer or to PDF with a preview, save as DXF or DWG, and three tools that until now only AutoCAD had: check, repair and convert files without opening them.

    • Page setup, print preview and print
    • Save and save as, in DXF and DWG, and export to PDF
    • Check files: what is broken in a drawing before sending it to anyone
    • Repair and convert between DXF and DWG, several files at once

  • Tools: what does not touch the drawing

    The unit converter that used to be the phone calculator next to the computer, now inside the program and with no drawing open needed. And plug-in management.

    • Length and area between metres, varas, manzanas, hectares and the rest, with the value in all of them at once
    • Deed area: hectares, ares and centiares, the way a deed writes it, both ways
    • Angles (degrees, minutes and seconds, decimal and radians) and coordinates between WGS 84 and the georeferencing systems
    • Custom units: you can create your own conversions, and they are kept for all your drawings
    • Manage plug-ins

On everything you have

The same program and the same file. What you draw in the office opens on the phone, in the field.

  • Windows

    10 and 11, in 64-bit, 32-bit and ARM. And 7 and 8 too, with their own build

  • Android

    The whole application, with a touch interface and stylus. And with a monitor, keyboard and mouse, the desktop interface

  • Browser

    Nothing to install, and it works offline from the second visit

  • iPhone and iPad

    As a web app: add it to the Home Screen from Safari and it works offline. The app will come later

    How to install it

  • Linux

    AppImage and Flatpak, on x86_64 and ARM64

  • macOS

    Intel and Apple Silicon

And in the browser, with nothing to install

The web version is the whole program compiled to WebAssembly: drop in a DWG or a PDF, draw, do the surveying, and what you save comes down as a download. From the second visit it works offline. On iPhone and iPad you add it to the Home Screen from Safari and it opens like any other app, until the iOS app arrives.

Try it in the browser

Try it without paying, and with no clock

The trial is the whole program and it never expires. The only thing it will not do is let you take the work away: saving, plotting, the cut and fill figures, and taking job management off the device. Whoever evaluates it sees exactly what they are buying.

Download from the Microsoft StoreGet it on Google PlaySee the licenses