Free · open source · nothing uploaded

Open DWG files in your browser.

A free DWG and DXF viewer that runs entirely on your device. No account, no installation, no upload, and it works on a Mac as well as it does on Windows or a phone.

● Offline · nothing uploaded

Drop a drawing here

The file is read by your browser. It is never uploaded.

Your file stays with you

The drawing is decoded inside this tab by WebAssembly. No upload, no server copy, no cookies.

Any computer, any phone

Mac, Linux, Windows, iPhone, Android. If the browser is current, it opens.

Open source, for good

GPL-3.0 on GitHub. Anyone can check what it does, host their own copy, or improve it.

Why a free DWG viewer?

DWG is how buildings, machines and installations get shared. It is a proprietary, undocumented format, and the official free ways to open it are a Windows-only program or an online viewer that needs an account and an upload. We think looking at a drawing should be as easy as opening a PDF. Read why we built it.

How to open a DWG file

  1. Click Open DWG or DXF above, or drop the file anywhere on this page.
  2. Scroll to zoom, drag to pan. Double-check a detail by turning layers on and off.
  3. That is it. Close the tab and nothing remains.

More options, including desktop programs, are in the guide how to open DWG without AutoCAD. On a Mac? See DWG viewer for Mac.

Questions

Is the file uploaded anywhere?
No. The drawing is read by a WebAssembly build of LibreDWG running in your browser tab. Nothing is sent to a server, and the page keeps working with the network switched off after it has loaded.
Do I need an account or AutoCAD?
No account, no installation, no trial. Open the page, choose a file.
Does it work on a Mac, Linux or a phone?
Yes. Any current browser with WebGL does the job: Safari, Chrome, Firefox or Edge, on desktop or mobile.
Can I edit the drawing or save it as PDF?
Not yet. Today it is a viewer: zoom, pan and switch layers on and off. Export to PDF and DXF is next on the list.
Why is it free?
Because looking at a drawing someone sent you should not depend on having a Windows PC, an account or a server you have to trust with the file. The code is GPL-licensed and public, so it stays free.