Convert DWG to JPG online

Drop the DWG file below, click Export, then PNG, and save the result as JPG in any image app; the viewer writes a lossless PNG of the area you select, 3000 pixels on the longest side, and leaves the lossy compression step to you, so you control the quality. Nothing is uploaded: the drawing is rendered in your browser tab.

How to convert a DWG file to JPG

There is no separate JPG button in the viewer, and that is deliberate. JPG is a lossy format, and the quality setting belongs where you can see the result. The route is: export PNG, save as JPG.

1. Open the .dwg in the drop zone above. AutoCAD R14 through 2018+ files open on the device, no account, no install.
2. Hide noisy layers in the layers panel; hidden layers are left out of the export.
3. Click Export, then PNG, and select the area: drag a rectangle over the detail, or take the whole drawing. The PNG is rendered on a white page in the real layer colors, 3000 pixels on the longest side.
4. Open the PNG in any image app and save a copy as JPG: Windows Paint or Photos (Save as → JPEG), macOS Preview (File → Export → JPEG), GIMP, Photoshop, or a phone gallery. Set quality to 85–95 for line drawings.

If the JPG is for a document you will print anyway, consider exporting a PDF instead; it stays vector and prints sharper at any size.

JPG vs PNG for CAD drawings

JPEG compression was designed for photographs: smooth gradients, no hard edges. A CAD drawing is the opposite, thin dark lines on a flat background, which is exactly where JPEG artifacts show up as gray halos and speckles around every line.

Rule of thumb: keep the PNG as the master and make a JPG only when a system demands one. If a site accepts both, send the PNG. When you do make a JPG, use quality 90 or higher and do not re-save a JPG as JPG; each round adds artifacts.

DWG to JPG in high resolution

The pixel count of the image is set at the PNG step, since the JPG is only a re-encoding. The viewer's PNG is always 3000 pixels on the longest side, independent of your screen, so the lever is the selection: export the area people need rather than the entire sheet, and make two exports for two details. The DWG to PNG page goes through this in detail.

For a JPG with a fixed pixel size, such as 4000 pixels wide for a print shop, use AutoCAD's PLOT with the “PublishToWeb JPG.pc3” plotter, where the paper size is given in pixels, or the JPGOUT command for a quick screen-resolution shot. DWG TrueView offers the same plotter without an AutoCAD license.

Other ways to convert AutoCAD DWG to JPG

• AutoCAD: JPGOUT (select objects, save) or PLOT to PublishToWeb JPG.pc3 with a custom pixel size. Layouts, plot styles, and line weights are honored.
• DWG TrueView: free Windows viewer from Autodesk with the same plot-to-JPG route.
• LibreCAD: open a DXF, File → Export → Export as image, choose JPG and a size. Needs DWG to DXF first.
• QCAD Professional: dwg2bmp on the command line writes JPG, PNG, or BMP from DWG and DXF, with width or resolution flags, and it works on folders.
• Converter freeware and web services: AutoDWG, CloudConvert, Zamzar and others convert DWG to JPG; the web ones upload the file, which is the difference from the viewer here.

For a batch of drawings, an AutoCAD script that opens each file and plots to the JPG plotter is the standard answer; dwg2bmp is the standard answer without AutoCAD.

When JPG is the wrong format

A JPG is a picture of the drawing; it cannot be measured, edited, or re-layered, and it blurs when enlarged. If the person asking for a JPG actually wants to view the drawing, sending the DWG with a link to a free DWG viewer gives them zoom, layers, and measurement. If they want to print it, a PDF is lighter and sharper. If they want to trace it or cut it, an SVG keeps the vectors. JPG wins when the destination only accepts photos: a web form, a listing, a chat app that recompresses everything anyway.

Converting in the opposite direction, from a JPG back into a drawing, means tracing raster pixels into lines; see JPG to DWG.

Frequently asked questions