Open SXF(SFC) files in your browser
SFC is a file type of SXF, the Japanese national standard for public-works CAD data. Almost no software outside Japan opens it, and even the official Japanese viewer was discontinued in 2014. zumen-gate opens SFC files directly in your browser.
Can't open a SXF(SFC) file? Common causes and fixes
No software you can find will open the .sfc extension
Drop the file here — it renders in your browser with no installation.
Your CAD doesn't support SXF import
Convert to DXF and open it in AutoCAD, BricsCAD, or virtually any other CAD.
Convert it while you're here
A displayed SXF(SFC) file can be converted straight to DXF, PDF, SVG, or PNG — and the loss report shows exactly what survived the conversion.
FAQ
SXF(SFC) viewer — frequently asked questions
What is an SFC (SXF) file?
SXF is the Japanese government standard for exchanging CAD drawings in public-works projects; SFC is its lightweight exchange file type. If a Japanese partner sent you one, this page is the fastest way to see what's inside.
What's the difference between SFC and P21?
Both are SXF file types. P21 is the formal deliverable format based on ISO 10303 (STEP); SFC is the lighter format used for day-to-day exchange. zumen-gate opens and converts both.