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JPEG to DXF Converter

Upload a .jpeg and download a DXF of editable polylines. Works on scans, exports and photographs of drawings — free, no account, no watermark.

output

Drop images here, or click to choose

Conversion starts immediately. Up to 100 MB per file. You can also paste a screenshot

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How to convert JPEG to DXF

Upload your JPEG file

Drop your .jpeg on the converter, click to browse, or paste a screenshot with Ctrl+V.

We trace the lines

An adaptive threshold reads each photo's own histogram, so uneven lighting across the page still resolves to clean black ink on white.

Download a real DXF

You get an R2000 ASCII DXF with editable LWPOLYLINE geometry — the open CAD exchange format — editable geometry, ready to draft on, not a picture to trace again.

What you get: lines, not pictures

A floor plan with solid walls, furniture and text — and the CAD geometry this converter produces from it. Walls keep both faces, every thin line is a single editable polyline, and labels become real editable text.

Example JPEG floor plan before conversion — Input: raster image (solid walls, thin furniture lines, text)

Editable DXF vector drawing produced by the converter — Output: editable DXF polylines (walls outlined, lines centerlined)

About JPEG to DXF conversion

Files carrying the long .jpeg extension usually come from cameras and mail clients rather than scanners, so this page sees more photographs than any other. Photographs bring a specific difficulty that scans do not: the page is not evenly lit. One corner is brighter than the other, there is a shadow where the photographer stood, and a single fixed brightness cut-off will inevitably eat the ink on the dim side or turn the bright side to noise.

The threshold used here is derived from each image's own tonal distribution rather than fixed in advance, which is what lets a gradient-lit photo resolve to clean black-on-white. From there the ink is skeletonized and walked into polylines, and the DXF that comes out is R2000 ASCII — the variant with the widest support in CAD, CAM and machine software. If a page is lit so unevenly that one edge is genuinely dark grey, reshoot rather than fight it: five seconds of better light beats any amount of downstream processing.

Frequently asked questions

Does .jpeg convert differently from .jpg?

No. The extensions name the same codec, and the pipeline identifies files by magic bytes rather than filename. Two pages exist because both spellings are searched for; the conversion behind them is byte-for-byte identical.

How do I photograph a drawing so it converts well?

Flat, diffuse light with no flash and no glare, camera square to the page, whole sheet in frame, and your own shadow out of it. Shadows are indistinguishable from ink to any threshold, and a tilted shot skews every dimension in the DXF.

Can the DXF be sent straight to a laser cutter?

Usually, after a look. LightBurn and VCarve open the R2000 ASCII DXF directly. Check for stray specks and confirm whether solid areas should be cut as outlines or filled before you commit material.

Does the text on my drawing become CAD text?

Printed and clearly hand-lettered labels are recognized with OCR and written as editable TEXT entities on their own layer at the measured height. Cursive or hurried handwriting generally is not recognized and stays in the raster to be traced as geometry.

Is there a limit on file size or number of conversions?

100 MB per file, and no limit on how many. No account, no watermark, no queue. Uploads and outputs are retained so failed conversions can be diagnosed and results re-downloaded, and are never sold or shared.

Convert from a script or an AI agent

The same conversion is one HTTP call — no key, no account, no rate limit. The full machine-readable spec lives at /llms.txt.

curl -X POST https://nasji.com/api/convert \
  -F "[email protected]" \
  -F "target=dxf" \
  -o drawing.dxf