Drawing Exchange Format, since 1982

What is a DXF file, and how is it different from DWG?

A DXF file (.dxf) is a CAD drawing saved in Drawing Exchange Format, which Autodesk introduced with AutoCAD 1.0 in 1982 so drawings could move between AutoCAD and other programs. Architects, engineers, sign makers and laser-cutting shops trade DXF files every day. Publish Media Software (PublishMedia) opens one in a modern browser so you can see every sheet, free to view and with nothing to install.

Nothing to install on Windows, Mac, Chromebook, Linux or iPad.

Seeing what’s inside a DXF is free; notes and PDF export come with a paid plan.

.DXF
Open a DXF drawing
Drawing Exchange Format files
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New page
Start from nothing
or begin blank
  • DimensionsShown
  • Blocks and hatchesDrawn
  • DWG filesSave as DXF

What a DXF file stores, and what you can do with one

  • Geometry as coordinates

    Lines, arcs, circles and polylines are saved as exact points.

  • Layers and colors

    Every entity sits on a named layer with its own color.

  • Text and dimensions

    Notes, labels and measurements travel with the drawing.

  • Blocks for repeated parts

    A door, bolt or symbol is defined once, reused everywhere.

  • Model and paper space

    The full-size drawing plus printable sheets with a title block.

  • View it in a browser

    PublishMedia shows the drawing as a page, no CAD needed.

Have a DXF in hand? Choose your next step

Three guides for the things people most often do once they know what DXF is.

View it without CAD

See the drawing in a browser tab and print it from there.

Open the viewer

Open it on your device

Step-by-step help for Windows, Mac, Chromebook and phones.

Get the steps

Make a PDF of it

Share the drawing with people who don’t have CAD software.

Convert to PDF

What is a DXF file?

A DXF file is a CAD drawing in Autodesk’s Drawing Exchange Format, introduced with AutoCAD 1.0 in 1982 and documented in a specification Autodesk publishes. It stores lines, arcs, text, dimensions, layers and blocks as ASCII text or binary data, so AutoCAD, LibreCAD, QCAD, Inkscape, laser-cutter software and Publish Media Software (PublishMedia) can all read it.

Start from your DXF, a template or an empty page

Make an account at publishmediasoftware.com with no credit card, then choose.

Open a .dxf someone sent

Drag the drawing in or browse to it, and see each sheet as a printable page.

ASCII or binary .dxf up to 250 MB

Find the drawing
▦

Share news about the project

Turn a building or renovation update into a designed flyer with a print-ready template.

See templates
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Make a parts list

Write a parts or cut list on a blank page using tables and text boxes.

Open a blank page

What happens when a DXF file opens in PublishMedia

PublishMedia reads the DXF and draws it as a page, which suits checking, sharing and printing.

ASCII and binary both open

Both the plain-text and the binary form of DXF open the same way, so you don’t need to know which one you have.

Layouts become pages

Each paper-space layout turns into a page the size of its sheet, title block and viewports included; a drawing with no layouts fills one Letter page.

Readable on white paper

Layer colors are kept, and white lines, which CAD programs show on a dark screen, are printed in black.

Not a CAD program

Lines can’t be moved or measured, and nothing saves back to .dxf. A DWG has to be saved as DXF or PDF in AutoCAD first.

How to open a DXF file and see what’s in it

Four steps in PublishMedia, from an unfamiliar .dxf to a drawing you can read.

1

Create an account

Register at publishmediasoftware.com; looking at DXF drawings is part of the Free plan.

2

Add the DXF

Drop the .dxf onto the start screen. Very detailed drawings can need up to half a minute.

3

Look it over

Check the title block, dimensions and layer colors, then read the Import Report.

4

Save a PDF copy

On a paid plan, add a note or cover page and export a print-ready PDF.

The 6 programs that open DXF files, from free to AutoCAD

Listed from easiest to try to most capable, with the computers each program runs on, its price and the catch.

As of October 2026, the main programs that open DXF files are Publish Media Software (PublishMedia), AutoCAD, Autodesk Viewer, DWG TrueView, LibreCAD and Inkscape; QCAD and LibreOffice Draw open DXF too. DXF (Drawing Exchange Format) was created by Autodesk, introduced with AutoCAD 1.0 in 1982, and comes in ASCII and binary forms. DWG is AutoCAD’s native format, while DXF is the exchange format most other CAD and design programs read. Laser cutters, CNC routers and vinyl and plasma cutters commonly take DXF files. PublishMedia opens DXF in a browser at no charge for viewing; PDF export is on paid plans.

1. Publish Media Software — best for a quick look on any computer

Opens .dxf in a modern browser on Windows, Mac, Chromebook, Linux and iPad, with nothing to install. Looking costs nothing; adding notes or exporting a PDF takes the $99-a-year or $9.99-a-month plan. Limit: it can’t edit the drawing or open DWG.

2. AutoCAD — best for creating and editing DXF

Autodesk’s paid CAD program for Windows and Mac opens, edits and saves DXF, and plots drawings to PDF. Limit: it’s a professional subscription, far more than you need to look at one file.

3. Autodesk Viewer — best browser option for DXF and DWG

Autodesk’s free web viewer opens DXF, DWG and other design files without installing anything. Limit: it shows and reviews drawings but won’t change them or build a printed packet around them.

4. DWG TrueView — best viewer to install on Windows

Autodesk’s free desktop viewer for Windows opens DWG and DXF files and prints them through plot settings. Limit: there’s no Mac, Chromebook or Linux version, and it has to be installed.

5. LibreCAD — best no-cost program for changing DXF

Free, open-source 2D CAD for Windows, Mac and Linux that opens, edits and saves DXF, its native format. Limit: 2D only, and you’ll need some CAD know-how to find your way around.

6. Inkscape — best for laser and vinyl cutting artwork

A free vector graphics program for Windows, Mac and Linux that imports DXF so shapes can be adjusted as artwork for cutting. Limit: it isn’t CAD, so dimensions and drawing scale need checking after import.

DXF files: no charge to view, paid to export

No payment is needed to see a DXF in PublishMedia: the Free plan opens and views as many drawings as you like and keeps each for 7 days, with a reminder email before deletion. When you need a PDF of the drawing or want to add notes and pages, choose All-Access for $99 a year (recommended) or Monthly for $9.99, cancel anytime. Either plan also brings every template, saved projects and unlimited storage.

Free Starter

$0

Open and view unlimited Publisher, Word, Excel, PowerPoint, PDF, and picture files free — stored for 7 days, then deleted automatically. Editing and export are on the paid plans.

Start free
Recommended

All-Access

$99/yr

Everything unlocked — full editing, every template in the library, and unlimited storage.

Monthly

$9.99/mo

All the same features, billed monthly — cancel anytime.

DXF file format FAQ

What does DXF stand for?+

DXF stands for Drawing Exchange Format, also called Drawing Interchange Format, an Autodesk format for moving CAD drawings between programs. Autodesk introduced it with AutoCAD 1.0 in 1982 and publishes its specification, so other software makers can read and write it. The file extension is .dxf.

What’s the difference between DXF and DWG?+

DWG is AutoCAD’s own native drawing format, while DXF is the exchange format Autodesk documents publicly so other programs can read drawings. Most CAD and design programs read DXF; fewer handle DWG well. An ASCII DXF is usually much larger than the same drawing saved as DWG. Send DXF when you don’t know what software the other person uses.

Who uses DXF files?+

Architects, engineers, drafters, sign makers and shops that run laser cutters, CNC routers and vinyl or plasma cutters all use DXF files. Designers export DXF because nearly every CAD and cutting program can read it, whatever software made the drawing. You might receive one as a floor plan from a contractor or a part drawing from a supplier.

What does a DXF file look like inside?+

An ASCII DXF file is plain text made of pairs of lines: a group code number, then a value. The pairs are organized into sections such as HEADER, TABLES, BLOCKS and ENTITIES, and the file ends with EOF. A binary DXF stores the same data more compactly and looks like gibberish in Notepad or TextEdit.

Which free programs open DXF files?+

Autodesk Viewer on the web, DWG TrueView on Windows, LibreCAD, QCAD’s community edition, Inkscape and LibreOffice Draw all open DXF files at no cost, and Publish Media Software opens them in a browser on its Free plan. LibreCAD and QCAD can also change the drawing. LibreOffice Draw may not show complex drawings fully.

Is a DXF file 2D or 3D?+

A DXF file can hold both 2D and 3D geometry, but most DXF files people trade, such as floor plans, sign outlines and laser-cutting patterns, are 2D. PublishMedia shows a drawing as a flat printed page, and LibreCAD and QCAD are 2D programs. For 3D models, use AutoCAD or Autodesk Viewer.

Why do laser cutters and CNC machines use DXF?+

Laser cutters, CNC routers and vinyl and plasma cutters use DXF because it stores shapes as exact lines, arcs and curves, which cutting software turns into tool paths. Almost every design and CAD program can export DXF, so a shop can accept files from any customer. Ask the shop which DXF version and units they want before you send one.

Can I convert a DWG file to DXF?+

Converting a DWG file to DXF takes AutoCAD or another program that reads DWG: in AutoCAD, choose Save As and pick one of the AutoCAD DXF types in the file type list. If you don’t have AutoCAD, ask the sender to save a DXF copy for you. PublishMedia opens the DXF, not the DWG.

Can PublishMedia turn my changes back into a DXF?+

PublishMedia doesn’t write DXF files: it opens a drawing as a print-ready page and, on a paid plan, exports a PDF. It also can’t convert a PDF back into DXF. If you need an edited .dxf, change the drawing in AutoCAD, LibreCAD or QCAD, which open and save the format.

Publisher retires October 2026

Get a short guide to moving off Microsoft Publisher — opening your Publisher files online and creating new documents.