A client, a contractor or a colleague needs to look at a drawing, and they do not have AutoCAD. That is the problem this solves.

With Doconut.app you can upload a DWG, DXF or DGN and read it in the browser — up to 10 MB, with no CAD licence, no install and no account. Your drawing is deleted once you have viewed it, which is the part that matters when it is the floor plan of a real building.
One thing to be clear about before you plan a workflow around it: this is a viewer. It does not convert files. There is no DWG-to-PDF export here, no format menu, and no batch. You can read the drawing and print it, and printing to PDF through your browser works the way it does for any page.
Simplified CAD File Viewing for Architects
Architects often rely on CAD software to create and modify detailed drawings like floor plans, elevations, and structural blueprints. While desktop tools like AutoCAD are powerful, they can also be restrictive when it comes to sharing your work with clients, collaborators, or even on-site teams who may not have access to such specialized software.
With Doconut.app, you can:
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Easily View DWG, DXF, and DGN Files: Upload your architectural drawings directly to Doconut.app and view them online, without needing to install or open CAD software. This makes it easier to quickly check designs, share them with clients, or discuss changes with team members.
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Present Your Work Anywhere: Whether you're meeting a client or working remotely, your CAD files are just a click away. Access them from any device, anywhere, and never miss an opportunity to present or review a design.
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Preserve Design Integrity: The drawing is rebuilt from the geometry in the file — arcs, hatches, line weights and dimension text — rather than from the small preview image a DWG carries inside it. That is the difference between reading a title block and guessing at it.
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Switch Layers Off: Drawings sent around a project carry every discipline at once. Hiding the hatching or the services layer is usually all it takes to find the dimension you came for.
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Measure Without a Licence: Take a distance, an angle or an area straight off the drawing on screen — which is generally why you open a drawing you did not make.
All Your Architectural Files in One Place
Besides CAD files, Doconut.app opens the rest of what lands in an architectural project. All viewing, not converting:
- Drawings and blueprints: DWG, DXF and DGN, up to 10 MB.
- Project proposals and contracts: Word documents up to 15 MB, PowerPoint decks up to 20 MB, PDFs up to 25 MB.
- Reference images and visuals: JPG, PNG, TIFF, PSD, SVG, EPS and more, up to 25 MB.
Seventeen viewers, 73 file extensions, one site — which is the actual convenience, since a project rarely arrives in one format.
Start at Doconut.app with a real drawing rather than a sample. A survey with forty layers and an external reference tells you something a clean sample never will.
If you want this rendering inside your own project portal instead — and conversion along with it — that is the Doconut .NET SDK, where the Converter plugin does the DWG-to-PDF work that the free site does not.