3D File Converter

STL, 3DP, 3MF, OBJ, PLY 3D file format converterSpin 3D converts between STL, 3DS, 3DP, 3MF, OBJ and PLY mesh file formats. No matter which program you use to create your 3D models and 3D designs, you can convert to your desired output format.

3D Printing, Game Modding and More

Convert your 3D design to STL for 3D printing with Spin 3D. Convert your 3D model to the format required by a video game or your 3D editing software. Share a 3D object with a client in their required format.

Preview 3D Models Prior to Converting

Preview original 3D files and the output results prior to converting your file. Ensure that you are working with the right file and that the output is accurate.

Fast and Easy Batch File Conversion

Spin 3D features multi-threaded batch processing. Whether you are converting one file or many, the conversion will take place efficiently using the best technology.

Game Modding

Quickly preview and convert 3D objects for custom game mods.

3D Design

Convert between common 3D mesh file formats to edit 3D objects.

3D Printing

Convert 3D files to STL in seconds for 3D printers.

Convert 3D Files

Supports converting between all popular 3D file formats.

Apply Offsets

Offset the default translation, rotation and scale values.

3D Model Preview

Preview your 3D object prior to performing your conversion.

Batch 3D Converter

Easily batch convert hundreds or thousands of 3D files at once.

3D Mesh Correction

Recalculate normals and remove duplicate triangles & vertices.

Convert Between All Key 3D Formats

Use one of the best 3D file converters on the market for lightning fast, quality conversions.
Convert from: OBJ, .STL, .FBX, .PLY, .3DS, .MDL, .BLEND, .3MF, .X, .GLTF, .DAE, .SMD, .IFC, .3DP, .MQO, .DXF, .LWO, .ASE, .RAW, .OFF, .LXO, .SDF, .PK3, .AC, .LWS, .COB, .SCN, .B3D, .3D, .XGL, .TER, .MD2, .GLB, .HMP, .MD3, .MDC, .MD5, .MS3D, .NDO, .NFF, .OGEX, .Q3D, .Q3S, .VTA, .ZGL
Convert to: OBJ, .STL, .PLY, .3DS, .3MF, .3DP

Formats supported (Read) by optional component

3d, ac, ase, b3d, blend, cob, dae, dxf, fbx, gltf, glb, hmp, ifc2x3, lwo, lws, lxo, mdl (dpo, mdl2, mdl3, mdl4, mdl5, mdl7), md2, md3, md4, md5, ms3d, ndo, nff, off, ogex, pk3, q3d, q3s, raw, scn, smd, ter, vta, x, xgl, zgl

BASIC FEATURES

NCH Spin 3D Mesh Converter Plus 2025 allows seamless conversion between 45+ popular 3D file formats—including OBJ, STL, FBX, PLY, 3DS, 3MF, and more—using multi-threaded batch processing, a drag‑and‑drop interface, preview of models before conversion, mesh correction tools to recalculate normals and remove duplicate triangles/vertices, and export of compressed 3D files optimized for 3D printing or game-ready assets. 

WHAT’S NEW

The latest 2025 Plus edition enhances Windows 11 compatibility, refines the installer experience, improves overall stability, and updates support for newer 3D formats, without adding major feature changes.

SYSTEM REQUIREMENTS

Windows: Windows 7, 8, 10, or 11 (32‑bit/64‑bit) with up-to-date patches; Intel or AMD processor (1.5 GHz minimum; multi-core recommended); minimum 2 GB RAM (4 GB recommended for large batches); at least 100 MB (or up to 200 MB) free disk space; display resolution 1024×768 or higher; internet connection for updates; administrator permissions.
macOS: macOS 10.9 or later on Intel‑based Macs; similar CPU, RAM, disk space, display, internet, and permission requirements.

USER INTERFACES LANGUAGES

English 

BRAND

NCH Software 

TYPE

3D mesh file conversion software featuring batch processing, format compatibility, and mesh cleanup.

FOR OPERATING SYSTEM

Windows 7/8/10/11 (32‑ & 64‑bit), macOS 10.9+

LICENSE CATEGORY

Subscription-based software

FORMAT

Digital Download

MODEL

NCH Spin 3D Mesh Converter Plus 2025

COUNTRY OF USE

Global

MANUFACTURER COUNTRY