Can I open JWW without Jw_cad?

Yes. The drawing is shown in your browser on Windows, Mac, phones and tablets. Nothing to install.

Are my files uploaded?

No. Everything runs in your browser.

Save a PDF of the sheet layout at the drawing paper size or fitted to A4/A3.

No Jw_cad needed. View Japanese JWW drawings and measure lengths on Windows, Mac, phones and tablets. Your files never leave this browser.

Drop a JWW file here or click to choose (.jww, several at once, no limit on the number of files)

DXF version If unsure, use 2010. R12 or 2000 for old CAD programs.

This is a simplified preview (dashed lines are drawn solid). Use “Convert this file to DXF” to get a file for AutoCAD.

No Jw_cad required: Works in the browser on Windows, Mac, iPhone, Android and tablets. Nothing to install.
Large drawings: Opens drawings with tens of thousands of lines (up to 60 MB per file).
Measure lengths: Click two points; the measurement snaps to ends and centers and shows real size, even on mixed-scale sheets.
Sheet or real size: “Layout1” shows the Jw_cad sheet arrangement, “Model” shows the real-size drawing.
One-click DXF: Need it in AutoCAD? Convert the open file to DXF with one button.
Save as PDF: A vector PDF of the sheet layout, at the paper size or fitted to A4/A3.
No upload: Everything runs in your browser and works offline after the first visit.

Can I open JWW without Jw_cad?: Yes. The drawing is shown in your browser on Windows, Mac, phones and tablets. Nothing to install.
Are my files uploaded?: No. Everything runs in your browser.
Can I print?: Save a PDF of the sheet layout at the drawing paper size or fitted to A4/A3.