iLoveIGS is a free online viewer for IGS, IGES, STEP, STP, DXF, and PDF files. Instantly open, view, and inspect your CAD drawings and 3D models directly in your browser — no software installation required.
Open and inspect industry-standard CAD and 2D drawing formats instantly
Built for engineers, designers, and anyone who needs to inspect CAD files fast
Open any IGS, STEP, DXF or PDF file directly in Chrome, Safari, Firefox, or Edge. No CAD software needed.
Fully responsive on phones, tablets, and desktops. Pinch to zoom, swipe to pan — native touch support.
Files never leave your device. All parsing and rendering happens locally in your browser.
Seamlessly switch between 3D orbit view and flat 2D orthographic mode for DXF engineering drawings.
Toggle between CAD Black, Drafting Gray, and Print White backgrounds. Auto-invert lines for contrast.
Copy a shareable camera link, export a PNG snapshot, or print a clean white-background view.
Three steps from file to fully inspected model
Drag your file onto the viewer or click "Open File". Supports IGS, STEP, DXF, DWG, PDF.
Your model appears immediately. Rotate, pan, and zoom freely with mouse or touch.
Measure dimensions, check bounds, and share a link — all without an account.
IGS · STEP · DXF · DWG · PDF