Every engineer and architect knows the problem. A consultant sends a PDF of the drawing. You need to modify it, add to it, or build on it in AutoCAD. But they will not send the original DWG file, and manually retracing every line, arc, and dimension from a PDF underlay wastes hours on work that already exists. If the PDF was originally created from a vector-based CAD file, all the path data is technically still inside it. This converter extracts that data directly and writes it as native DXF entities: LINE, LWPOLYLINE, SPLINE, ARC, TEXT, and MTEXT. No retracing. Just editable geometry in AutoCAD, LibreCAD, QCAD, or any DXF-compatible application. Everything runs in your browser. Nothing is uploaded.
How It Works
- Upload your PDF: Click or drag the file into the drop zone. PDF.js loads the document locally. The tool immediately previews the pages and analyzes the content structure. Your drawing data never leaves your device.
- Configure your DXF settings: Choose output mode (separate DXF per page with ZIP download, single DXF with all pages as named blocks, or first page only). Toggle which elements to extract: vector paths (lines, curves, shapes), text as TEXT and MTEXT entities, raster image regions as WIPEOUT references, layer separation for text, paths, and images, color preservation from the original PDF strokes, and a page boundary rectangle. Select the DXF version (AutoCAD R12 for maximum compatibility, AutoCAD 2000 as the recommended default, or 2004/2007/2013 for newer features). Set units (mm, cm, inches, points), line weight, precision (2 to 6 decimal places), and a custom page range.
- Convert and download: PDF.js extracts every path, curve, and text element with its coordinate data. The tool maps these to their equivalent DXF entity types and writes a standards-compliant DXF file. Download the single file or the ZIP archive of per-page DXF files. Open directly in AutoCAD without any additional steps.
Compatibility and Support
Supported Input and Output Formats
- Input: Standard vector PDF files (created from CAD software, Illustrator, or any vector-based application)
- Output: DXF compatible with AutoCAD, LibreCAD, QCAD, ZWCAD, BricsCAD, FreeCAD, CorelCAD, and Adobe Illustrator
- DXF versions supported: AutoCAD R12 (widest legacy compatibility), R15/2000 (recommended), R18/2004, R21/2007, R27/2013
- DXF entities generated: LINE, LWPOLYLINE, SPLINE, ARC, TEXT, MTEXT, WIPEOUT (for raster image regions)
- Units: Millimeters, centimeters, inches, points
Unsupported Formats
- Scanned PDFs (raster image-only): A scanned drawing has no vector path data to extract. The converter will embed the page as a WIPEOUT image reference in the DXF, which you can use as a tracing underlay in AutoCAD, but it will not produce editable lines or arcs. Check whether your PDF has selectable geometry by trying to click on a line in a PDF viewer before uploading.
- Password-protected PDFs: Encryption blocks PDF.js from accessing any content. Remove the password before converting.
- 3D CAD models: DXF output from this tool represents 2D page geometry. Three-dimensional solids from 3D CAD are not supported.
File Size Limits
There is no server-side file size cap since all processing runs in your browser. Multi-page technical drawing PDFs with dense geometry may take longer on lower-RAM devices. Using the custom page range to convert specific sheets one section at a time is the practical approach for very large drawing sets.
Who Should Use This Tool?
- Students: An architecture or civil engineering student who received a structural PDF from a professor or project team and needs to modify it for a course submission. Extracting the vector geometry into DXF means working directly on the existing drawing rather than building it from scratch in AutoCAD.
- Freelancers: A freelance CAD drafter who regularly receives PDF shop drawings from fabricators and needs to incorporate them into larger AutoCAD assembly drawings. Converting to DXF with layer separation intact preserves the drawing organization from the original document.
- Office Professionals: A facilities management team that inherited a building's PDF floor plans with no original DWG files. Converting to DXF produces editable drawings they can update for renovation planning, space allocation, and compliance documentation without paying an external CAD drafting service.
- Developers: A developer building a CAD data pipeline who needs browser-side PDF to DXF conversion to avoid sending sensitive engineering drawings to external servers. The configurable DXF version output lets the tool match whatever CAD software version the downstream application requires.
Key Features
Here's what separates this tool from generic alternatives:
Native DXF Entity Output
PDF paths become real LINE, LWPOLYLINE, SPLINE, ARC, TEXT, and MTEXT entities in the DXF, not traced image approximations. You get genuinely editable CAD geometry.
Layer Separation Option
Enable the Layers toggle to place text, paths, and image elements on separate DXF layers. This matches how professional CAD drawings are organized and saves cleanup time in AutoCAD.
Five DXF Version Targets
From AutoCAD R12 for maximum legacy compatibility to R27/2013 for modern feature support, select the version your specific CAD application requires before converting.
100% Browser-Based, No Upload
Engineering drawings, proprietary designs, and client blueprints are processed entirely in your browser. No file is transmitted to any external server at any point.
Unit and Precision Control
Set output units to millimeters, centimeters, inches, or points, and choose precision from 2 to 6 decimal places to match the accuracy requirements of your specific project.
Multi-Page Output Options
Convert all pages as separate DXF files in a ZIP, pack all pages into one DXF as named blocks, or extract only the first page. All three workflows have legitimate professional uses.
Why This Tool Beats the Alternatives
- No account creation, no subscription, no per-page pricing or conversion credits
- No watermarks or reference geometry added to the DXF output
- No server upload; tools that process CAD drawings remotely create real IP and confidentiality risks on engineering projects
- Five DXF version options in one tool, where most free converters output a single undisclosed version
- Layer separation, line weight, color preservation, and precision control in a single browser-based interface
- Text extraction as real TEXT and MTEXT entities, not converted to outlines or ignored entirely
Pro Tips
- Before uploading, verify that your PDF is vector-based rather than a scan. In any PDF viewer, try clicking directly on a line or arc in the drawing. If you can select individual elements, the PDF contains real vector geometry that will convert to editable DXF entities. If you can only select the whole page as a single image, it is scanned and will only produce a WIPEOUT underlay rather than editable CAD objects.
- For drawings that will go into older CAD software or be shared with contractors who may be using legacy AutoCAD versions, use AutoCAD R12 for the widest compatibility. If you are opening the DXF in a current version of AutoCAD or LibreCAD, AutoCAD 2000 (R15) is the recommended default and handles the full range of entities this tool generates without compatibility issues.
- After opening the converted DXF in AutoCAD, run the PURGE command followed by AUDIT before doing any serious editing. PURGE removes unused layer definitions and block references from the conversion process, and AUDIT corrects any structural inconsistencies in the DXF. Both commands together take under ten seconds and give you a cleaner, faster-loading drawing to work from.
Upload your vector PDF, select your DXF version and layer settings, and download editable CAD geometry ready for AutoCAD or any compatible application. For vector graphics output that opens in Illustrator or Inkscape instead, the PDF to SVG converter handles that workflow, and the PDF to PNG converter is the right option when you need a high-resolution image reference rather than editable geometry.