Free Online 3D & CAD Converter
Convert industrial STEP, STP, and IGES solid geometry into 3D-printable STL meshes, Wavefront OBJ models, and web-ready GLTF/GLB containers. Engineered with OpenCASCADE WebAssembly for 100% confidential, client-side execution.
Drop files anywhere on this pageTap to choose a file
Mix any types. We detect each one and pick its best format.Photos, Files or iCloud • up to 100 MB
Up to 100 MB per file • Multiple files at once • Ctrl+V works too
Traditional online converters upload your proprietary mechanical assemblies and patent-sensitive CAD models to third-party cloud servers. Any File Converter runs the OpenCASCADE geometric modeling kernel locally inside your browser memory. Your CAD geometry is never transmitted, stored, or indexed.
Popular 3D & CAD Conversions
Select a tool below to convert CAD files with adjustable mesh tessellation.
Convert CAD STEP / STP files to 3D printable STL mesh in browser.
Convert STEP CAD assemblies into Wavefront OBJ 3D geometry client-side.
Convert ISO STEP CAD models to IGES surface geometry client-side.
Convert STP CAD model files to 3D-printable STL triangular mesh.
Convert STP files into compact binary GLTF / GLB for 3D web viewing.
Convert STP CAD models to IGES standard surface format.
Convert IGES CAD surface models to solid STL meshes in browser.
Convert IGES NURBS CAD models to universal Wavefront OBJ format.
Convert IGES CAD surface models into ISO-10303-21 STEP format.
Convert CAD boundary representation solids to STL mesh.
Convert STL 3D mesh files to ISO-10303-21 STEP CAD solids in browser.
Convert STL meshes into STP CAD solids client-side.
Convert STL 3D meshes to IGES CAD surface geometry in browser.
Convert STL 3D mesh files to editable Wavefront OBJ geometry in browser.
Convert OBJ 3D models to 3D-printable STL format instantly.
Convert Wavefront OBJ 3D models to STEP CAD solid format.
Convert OBJ models to IGES CAD surface format in browser.
Convert STL geometry to modern binary GLTF/GLB for web & AR viewing.
Convert OBJ models to web-standard GLTF JSON format in memory.
Convert 3D scanner PLY point clouds to solid STL meshes.
Convert STL meshes to polygon PLY file format.
Pack JSON GLTF scenes and textures into single binary GLB container.
Extract binary GLB 3D files into human-readable GLTF JSON structure.
Supported 3D & CAD Formats
High-precision B-Rep solid kernels and polygon meshes supported: