Free Online File Viewers — DXF, Shapefile, IFC, STL, DOCX, PPTX, CSV, Markdown, SVG

Open and inspect almost any file type directly in your browser — no software install, no upload. OnlineOffice viewers support CAD drawings (DXF), GIS shapefiles, BIM models (IFC), 3D meshes (STL/OBJ), Office documents (DOCX, PPTX), spreadsheets (CSV, XLSX, JSON), Markdown, SVG graphics and SQLite databases. Files stay on your device thanks to client-side parsing.