OPEN SOURCE · DATA SAFE · ZERO BACKEND

MLightCAD

The first open CAD stack that never leaves the browser.

Parse, render, and edit DXF/DWG entirely on-device — no backend, no upload pipeline, no compromise on privacy.

    Try Live Demo View on GitHub

    Flagship

    CAD-Viewer

    A production-grade WebGL CAD runtime for DWG/DXF in the browser.

    try your drawing

    Open a drawing

    Drop a DWG or DXF here. Parsed and rendered in this tab, never uploaded.

    Never uploaded · no server

    Release to open

    How to verify with DevTools that the file is not uploaded

    Open Developer Tools → Network while using this demo. The DWG file itself is not transmitted to an external server for processing.

    .dwg · .dxf · parsed in-browser · no upload

    Industry firsts

      Your drawing never leaves this browser

      Nothing is uploaded or stored on our servers. Parsing and rendering happen in this tab.

      Features

      Built for privacy, portability, and product teams.

      Every capability is designed around a single principle: serious CAD work should be possible without standing up a CAD server.

      Ecosystem

      Official plugins

      Compose UI, export, and AI around a shared plugin bus — load only what each product needs.

        Resources

        Docs, demo, and community

        Start from the live viewer, then dig into API reference and the project wiki.