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48 toolsFree online 3D format converters. Convert GLB, GLTF, OBJ, FBX, STL, STEP, 3MF, IFC and 20+ more formats instantly in your browser. No upload required.
Format conversion tools move 3D assets across gaming, CAD engineering, 3D printing, and interactive web standards. Whether you need to export compact GLB for web runtime, generate watertight STL for additive manufacturing, or interchange STEP engineering data, the converters decode the geometry and write the target format for you.
These browser-based tools are purpose-built for fast format swaps, slicer pre-processing, and pipeline bridging. For manual quad retopology, character bone rigging, or procedural texture baking, desktop DCC suites such as Blender or SolidWorks remain the industry standard.
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STL to STEP Converter
Reconstruct triangulated 3D scan or print meshes into solid boundary representations for CAD modification.
GLB to STL Converter
Extract watertight polygon surfaces from rich web 3D models for direct slicing and 3D printing.
Image to STL Converter
Generate embossed relief meshes and heightmaps from 2D photos or height data with custom depth controls.
STEP to STL Converter
Tessellate precise CAD geometry into optimized triangular meshes ready for additive manufacturing slicers.
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