twineconvert

free · in-browser · no upload

DXF to SVG
Converter

Drop your DXF file. We'll convert it to SVG right here in your browser, your file never leaves your device.

or drop your file

Select your file here to get started

or drop your file here.

Accepts .dxf

nothing uploaded no file size cap no signup

How it works

Three steps. No upload, no signup.

  1. 1

    Drop your file

    Click the dropzone above or drag a DXF from your desktop. Files of any size, there's no upload, so there's no upload limit.

  2. 2

    Convert in your browser

    The conversion runs entirely in this tab using JavaScript and WebAssembly. Your file never touches our servers, we don't have any.

  3. 3

    Download

    Get your SVG the moment the conversion finishes. Convert another, or close the tab.

Files stay on your device

Your file is never uploaded. The entire conversion runs in your browser using WebAssembly. We can't see what you convert because we have no server to see it.

No file size limit

Server converters cap free users at 1-2 GB and gate larger files behind a paid plan. Since nothing uploads, our limit is whatever your browser can handle.

Free, no signup, no ads on conversions

No account required. No watermark on the output. No queue. Drop a file, get a converted file.

Why convert DXF → SVG

What this conversion is actually for

DXF is the universal 2D-CAD exchange format but every browser-based tool, every static-site setup, every embeddable diagram framework speaks SVG. Converting DXF to SVG lets you embed CAD drawings on a webpage, in documentation, in a Notion page, or in a slide — without forcing the viewer to install AutoCAD or LibreCAD. Geometry stays vector-precise (LINE, CIRCLE, ARC, POLYLINE all map to native SVG primitives), so the result scales cleanly at any zoom level.

A real example

You have a `floorplan.dxf` from your architect and you want to embed it on the project's status page so stakeholders can view the layout in any browser. Drop it here, get `floorplan.svg`, drop it into your CMS. The result renders crisp at any size, no plugins needed.

Troubleshooting

Some entities are missing from the SVG (the drawing looks incomplete).

We render the most common geometry types — LINE, CIRCLE, ARC, LWPOLYLINE, POLYLINE, POINT, TEXT, MTEXT — directly. INSERT (block references), HATCH (fills), DIMENSION (dimension lines), 3DFACE, and SOLID are not yet expanded and get dropped. If your drawing relies heavily on blocks, explode them in your CAD tool before exporting (AutoCAD: EXPLODE command; LibreCAD: Modify → Explode) so each component is a flat entity.

The drawing is upside-down or text is mirrored.

DXF uses math-convention Y-axis (up); SVG uses screen-convention Y-axis (down). We apply a `scale(1,-1)` transform on the outer group to flip everything upright, and a counter-flip on each text element so glyphs stay readable. If something STILL looks mirrored, the CAD export probably specified a `$EXTNAMES` or coordinate-system override we don't handle yet — flatten the coordinate system in your CAD tool before exporting.

Binary DXF doesn't work.

Binary DXF (a compact non-text variant) is rare but exists. We only parse ASCII DXF. Re-export from your CAD tool with the "DXF Format" option set to ASCII — every CAD tool defaults to ASCII these days so this should be the default behavior.

Formats involved

About DXF and SVG

DXF, AutoCAD Drawing Exchange Format

DXF (Drawing Exchange Format) is AutoCAD's interchange format and the closest thing 2D CAD has to a universal lingua franca. Every meaningful CAD tool reads it: AutoCAD, LibreCAD, QCAD, BricsCAD, FreeCAD, OnShape (export), Fusion 360 (export), TinkerCAD, KiCad, EAGLE, plus laser-cutter and CNC-control software. Wire format is pair-based ASCII (a group code followed by a value, one per line), organized into sections — HEADER, TABLES, BLOCKS, and the ENTITIES section that carries the actual geometry: LINE, CIRCLE, ARC, POLYLINE, LWPOLYLINE, POINT, TEXT, INSERT, HATCH, DIMENSION, and several dozen others. Spec dates to AutoCAD 1.0 (1982) and is still emitted by current AutoCAD 2025; binary DXF exists but is rare. We render the ENTITIES section's drawable entities (LINE, CIRCLE, ARC, polylines, points, text) to SVG or structured JSON.

How to open

AutoCAD opens DXF natively. LibreCAD and QCAD are free desktop alternatives (Linux/macOS/Windows). FreeCAD imports DXF via its Draft module. ShareCAD.org views them in-browser. Any text editor opens ASCII DXF as plain text (the format is human-readable, group code then value pairs).

Full DXF format guide →
SVG, Scalable Vector Graphics

SVG describes images as math (paths, shapes, fills) instead of pixels. The result scales to any size without losing sharpness, perfect for logos, icons, and UI graphics. SVG files are XML text, which means they can be edited in any text editor and styled with CSS. Browsers render SVG natively; for rasterized output (PNG/JPG) you can convert.

How to open

Every browser displays SVG inline. Vector editors (Illustrator, Affinity Designer, Inkscape, Figma) edit them. Any text editor can open the underlying XML.

Full SVG format guide →

Convert your DXF to other formats

FAQ

Common questions

Is this DXF → SVG converter really free?

Yes. No signup, no watermark, no daily file count limit. Every conversion runs in your browser, your file never touches our servers because there are no servers.

Where does my file go when I convert it?

Nowhere. The conversion runs entirely in your browser using JavaScript and WebAssembly. Your file is never uploaded to our servers. We don't have any servers handling files, there's nothing for us to log, store, or accidentally leak.

What's the maximum file size?

Whatever your browser can hold in memory. Practically, this means a few hundred MB on most computers, significantly larger than the 1-2 GB caps that server-upload converters charge for. Very large files (multi-GB) may require closing other browser tabs first.

Why convert DXF to SVG?

2D CAD interchange — sharing drawings between AutoCAD and other CAD/CAM tools, importing into laser-cutter and CNC software, embedding into web pages as SVG. Logos, icons, illustrations, and any graphic that needs to scale crisply. The most common reason to convert is compatibility, SVG works in places where DXF doesn't, or vice versa.

How do I open a DXF file in the first place?

AutoCAD opens DXF natively. LibreCAD and QCAD are free desktop alternatives (Linux/macOS/Windows). FreeCAD imports DXF via its Draft module. ShareCAD.org views them in-browser. Any text editor opens ASCII DXF as plain text (the format is human-readable, group code then value pairs).

Does this work offline?

Once the page is loaded, the conversion itself runs entirely offline. The first time you use a tool, your browser downloads the conversion library (a one-time cache). If you reload while offline, the page won't load, but you can install the site as a Progressive Web App for full offline use.

Can I convert multiple files at once?

Single file at a time for now. Batch conversion is on the roadmap, for now, drop one file, download the result, then convert the next.