Bluebeam Markup to DXF
Turn the markups on a Bluebeam PDF - clouds, callouts, lines, measurements and comments - into a layered DXF for AutoCAD, BricsCAD or Civil 3D. Only the markups come across, never the drawing underneath, one layer per markup subject.
Free, no sign-up. A free account adds a markup schedule (CSV) of every comment, length and area.
The DXF is set up so the markups drop back onto the source DWG in the same spot they were drawn. There are two ways in, depending on whether you want them on the sheet or in the model.
On the sheet (paper space) - exact overlay
Export in sheet millimetres (the default). The DXF uses the PDF page's own frame: origin at the bottom-left corner of the sheet, millimetres, y up - the same frame as an AutoCAD layout. In the source DWG, open the layout tab and XATTACH (or INSERT) the DXF at 0,0, scale 1, rotation 0. Every cloud, callout and note lands where it sat on the printed page - over the viewport, title block, everywhere.
Half-size plots: if the PDF was printed smaller than the title block (an A1 drawing plotted to an A3 PDF is common), insert at the ratio instead - scale 2 for A1-to-A3. In general the scale factor is the layout sheet size divided by the PDF page size; the page size is shown against each page in the table above.
In the model (model space) - one snap away
When the file carries a Bluebeam measurement calibration, switch the units to calibrated before exporting. The markups come out at true model-space size (metres at the drawing scale), so alignment reduces to a single MOVE: pick any markup vertex drawn over a recognisable feature - a measurement endpoint on a kerb, a callout arrowhead on a pit - and snap it to that feature in the model. If the plot was rotated or you want a check on the scale, ALIGN with two point pairs does translation, rotation and scale in one command. A sheet with several calibrated viewports (a 1:500 plan beside a 1:100 section, say) exports one DXF per scale, since each is its own model-space frame.
Markups keep their own layers, so the whole review can be frozen or thawed in one go, and every entity carries its subject, author, page and comment as XDATA (visible with LIST).
How do I get Bluebeam markups into AutoCAD?
Upload the marked-up PDF here, pick the markup subjects you want and export DXF. The zip holds one DXF per page, with each markup subject on its own layer, which opens in AutoCAD, BricsCAD or Civil 3D. To lay the markups back over the original drawing, attach the DXF to the layout at 0,0, scale 1 - see the overlay steps above.
Why does it say my PDF has no markups?
The markups have probably been flattened. Flattening in Bluebeam burns the markups into the drawing, so they stop being annotation objects and become part of the page like any other linework. They cannot be separated back out. Ask the reviewer for a copy saved before it was flattened.
Does it work with PDFs not marked up in Bluebeam?
Yes. It reads standard PDF annotations, so lines, shapes, ink, text boxes, stamps and highlights added in Adobe Acrobat or other PDF editors come through as well. Scaled export needs a Bluebeam measurement calibration; without one, markups export in sheet millimetres.
Will the markups be at the right scale?
By default the DXF is in sheet millimetres, matching the printed page and an AutoCAD layout. If the page was calibrated in Bluebeam, choose calibrated units and the markups come out at real-world size at the drawing scale, one DXF per page per scale. Always check scaled dimensions against the issued drawings before relying on them.
What does a free account add?
A markup schedule as CSV: every markup with its page, subject, author, comment and measured length or area. It also lifts the limits of 3 conversions a day and 50 MB per file to unlimited conversions of files up to 200 MB.
Is my drawing kept?
No. The PDF is processed in memory and not stored, and the drawing itself is never read - only the markup layer. The extracted markups are held for up to 30 minutes so you can export them, then deleted. We log the file name and markup counts.