Professional CAD.
In your browser. Free.

Open, edit, and export DWG/DXF files instantly — no install, no signup, no license fees. Built with Rust and WebAssembly, rendered on your GPU.

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No account required · Works offline · Open source (GPL-3.0)

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Everything you need to draft

Full 2D CAD

Lines, polylines, circles, arcs, constraints, dimensions. A real drafting workbench, not a viewer.

DWG & DXF native

Open and save DWG (R13–R2018) and DXF. Your drawings, your formats.

GPU-accelerated

WebGPU rendering with a WebGL2 fallback. Pan and zoom large drawings without lag.

Local-first & private

Files never leave your device. Saved in your browser — no account, no upload.

Your next drawing is one click away.

No download. No installer. No trial-expired popups. Open the app and draw.

Open Cadelo