Convert PDF to DXF Online (Free)
No upload, no signup, no software to install
Vector PDFs Convert Directly. Scans Get Interactive Tracing.
A PDF exported from AutoCAD, Revit, SOLIDWORKS or any CAD application is a vector PDF: it stores every line, arc and label as geometry. This converter reads that geometry directly, so the DXF you download contains real, editable entities with live text.
A PDF made by scanning paper is a bitmap: one big photograph per page. The converter detects this per page and offers interactive line tracing instead of pretending: it extracts centerlines from the scan (not the double-edged outlines most auto-tracers produce), and a live preview with threshold, speck-removal and smoothing controls lets you tune the result against the original before you accept it. Only the lines you approve go into the DXF.
Quick test: try to select a line of text in your PDF reader. If you can, it’s a vector PDF and converts losslessly; if not, expect a tracing pass and a little cleanup in CAD afterwards.
Get the Drawing at Real-World Size
A PDF page is measured in paper units, but a CAD drawing lives at 1:1 in millimeters, meters, inches or feet. The converter bridges the two three ways: it scans the drawing’s own text for a scale note (1:50, 1:100, 1/4″ = 1′-0″ and similar) and offers what it finds with one click; it lets you click both ends of a dimension line or the legend’s scale bar and type the real distance; or you pick a standard scale and unit from a preset list.
Whichever you use, the panel shows what the page becomes in real units (a sensible floor plan is tens of meters wide, not tens of kilometers), and the exported file carries the unit so it opens at the right size.
What Survives the Conversion
Lines, polylines, arcs, circles and curves become their CAD equivalents. Text becomes editable TEXT entities, not outlines, so room names and notes stay searchable and correctable. Filled regions export as their outlines, which is what you want for tracing and measuring. Embedded raster images are skipped, and the converter tells you how many, rather than silently thinning the drawing.
Output is R12 ASCII DXF, the most compatible CAD format in existence: AutoCAD, BricsCAD, DraftSight, LibreCAD, QCAD, Fusion and SOLIDWORKS all open it directly.
Frequently Asked Questions
▶Is this PDF to DXF converter really free?
Yes. There is no signup, no watermark, no page limit and no trial. The conversion runs in your own browser, so there is no per-file server cost for us to pass on.
▶Does my PDF get uploaded to a server?
The PDF itself never leaves your computer: it is parsed, scaled and written out as DXF entirely in your browser. If you choose DWG output, only the generated DXF line work (not your PDF) is sent to our converter, turned into a binary DWG, and returned. Choosing DXF output involves no upload at all.
▶Why does my converted DXF file have no lines in it?
Almost always because the PDF is a scan. A scanned page is a photograph of a drawing: it contains one big image and no vector line work to read directly. The converter detects this and marks the page as “scanned” before you download anything, then offers its interactive tracer so you can extract the line work from the scan. A vector re-export from the original CAD application still gives the cleanest result.
▶Can I convert a scanned PDF or a photo of a drawing?
Yes, with the built-in tracer. It extracts centerlines from the scan (one line per stroke, not the double-edged outlines most auto-tracers produce) and shows a live preview while you adjust the ink threshold, speck removal and smoothing. Expect a faithful skeleton of the drawing that needs some cleanup in CAD; expect neither text recognition nor dimension associativity, which no automatic tracer can recover.
▶How do I get the drawing at the right size in CAD?
Use the “Real-world scale” step. The converter looks for a scale note (like 1:50 or 1/4″ = 1′-0″) in the drawing’s text and offers it with one click. You can also click two points a known distance apart, such as a dimension line or the legend’s scale bar, and type the real distance, or pick a standard scale from the preset list. The output file carries the unit, so it opens at real size.
▶What DXF version does this produce?
R12 ASCII DXF, the most widely readable CAD format there is. Every version of AutoCAD since 1992 opens it, as do BricsCAD, DraftSight, LibreCAD, QCAD, Fusion and SOLIDWORKS. Text imports as editable TEXT entities, not outlines.
▶Can I convert a multi-page PDF?
Yes. Every page renders as a selectable thumbnail. One selected page downloads as a single file; several pages download as a ZIP with one DXF file per page.
▶Can I get DWG instead of DXF?
Yes, the export step offers both. There is also a dedicated PDF to DWG converter page.