AnyTool DWG/DXF Viewer is 100% client-side. When you choose a .dxf, your browser reads it locally and the dxf-parser library — bundled into the app rather than loaded from a CDN — parses it and the engine draws the geometry on a canvas on your own machine. A .dwg is only inspected for its header version, also locally. No file is sent to any server, there is no account or tracking, and the tool keeps working offline after the first load — which makes it safe for confidential drawings, unlike viewers that open the file on or through their servers.

DXF is AutoCAD’s text interchange format, so it can be parsed and drawn directly in the browser — you get a real vector render with pan, zoom, layers and stats. DWG is Autodesk’s proprietary binary format and there is no free, fully client-side library that can render its geometry, so this tool honestly reads only the 6-byte version tag (for example AC1032 = AutoCAD 2018–2024) and shows metadata. To view a DWG drawing here, open it in your CAD application and use Save As / Export to produce a DXF (R12 or later), then drop that DXF in.

The engine draws lines, lightweight and old-style polylines (including bulge arcs), arcs, circles, ellipses, points, single-line and multi-line text, splines (sampled through their fit or control points) and SOLID/3DFACE fills, plus block references (INSERT) expanded up to four levels deep. Each entity uses its layer’s AutoCAD Color Index. Honest limitations: hatches, dimensions, 3D solids, custom dashed line types and exact text styling are approximated or omitted, and very deep block nesting is skipped — all of which is stated on the page.

Once a DXF is open, the PNG button encodes the rendered canvas (at your current pan/zoom) to a PNG image entirely in your browser, and the SVG button serialises the vector geometry — honouring hidden layers — into a scalable SVG file. Because both run on your device using the canvas and string APIs, no drawing is uploaded and the exports work offline.