3D-Tool is a Windows CAD viewer and converter for opening, inspecting, measuring, analyzing, and converting 3D models and 2D drawings without a separate CAD system.
Alternatives to 3D CAD Converter
ODA File Converter changes .dwg and .dxf files between versions.
Convert3D converts 3D models between formats, including FBX, OBJ, USDZ, and STEP.
- 4
Spin 3D
Spin 3D converts 3D mesh files between formats for uses such as 3D printing, game modding, design, and animation.
Free planWebmacOSWindows6.8Free plan - 5
3D_Evolution
WebAPILinuxmacOS6.7 - 6

HOOPS Exchange
HOOPS Exchange is a C++ SDK for adding 2D and 3D CAD import and export to applications through one API.
Free planAndroidiOSWebLinux6.7Free plan - 7
Open Asset Import Library (Assimp)
Open Asset Import Library (Assimp) loads 3D file formats into a shared in-memory format for further processing.
Free planAndroidiOSLinuxmacOS6.7Free plan - 8
Vertessia
Vertessia reconstructs meshes and scans as editable STEP CAD surfaces, with modes for organic shapes and mechanical geometry.
Free planWebAPI6.7From $19 a month - 9
CAD Assistant
CAD Assistant is a free, offline 3D CAD viewer and converter for personal and commercial use, available on Windows, macOS, Linux, iOS, and Android.
Free planAndroidiOSLinuxmacOS6.6Free plan - 10

3D Model Converter
3D Model Converter is a web tool for viewing and converting mesh files used in CAD, modeling, 3D printing, and web workflows.
Free planWeb6.5From $9.90 a month - 11
Simpel3D
Simpel3D is a web-based converter for 3D files, including STEP, IGES, STL, OBJ and 3MF, producing STL, OBJ or 3MF output.
Free planWeb6.5From $5.75 a month - 12
Online 3D Converter
Online 3D Converter changes 3D models between supported file formats in a browser.
Free planAndroidiOSWeb6.4Free plan - 13
CAD Exchanger
CAD Exchanger provides tools for viewing, converting, analyzing, and working with 3D CAD data.
AndroidiOSWebAPI6.3 - 14

PolyTrans
macOSWindows6.3$245, paid once - 15

Cadster 3D Converter Core
Cadster 3D Converter Core converts engineering files across CAD, BIM, mesh, point-cloud and other 3D formats.
Free planWebAPI6.2Free plan - 16
3D InterOp
3D InterOp is a paid software development toolkit for translating visualization data, exact B-rep geometry, and metadata between CAD formats.
APILinuxmacOSSelf-hosted6.1 - 17
FBX-glTF-conv
FBX-glTF-conv is a free command-line utility that converts FBX files into glTF files.
Free planLinuxmacOSWindows6.1Free plan - 18
FBX2glTF
FBX2glTF is a command-line converter for Autodesk FBX 3D assets that produces glTF 2.0.
Free planLinuxmacOSWindows6.1Free plan - 19

NuGraf
macOSWindows6.1$495, paid once - 20
meshio
meshio is free, MIT-licensed software for reading and writing unstructured mesh files and converting between supported formats.
Free planLinuxmacOSWindows6.0Free plan - 21
Tetra4D Converter
Windows6.0$758, paid once - 22

Convertpoly
Convertpoly is a web toolkit for working with 3D models directly in a browser.
Free planWeb5.9Free plan - 23
MeshFormat
MeshFormat is a browser-based 3D conversion tool for moving models among CAD, mesh, web, augmented-reality, real-time-engine, and 3D-printing workflows.
Free planWeb5.9Free plan - 24
NEXUS Model Converter
NEXUS Model Converter is a free toolset for creating and viewing batched multiresolution 3D models.
WebWindows5.6 - 25
TransMagic
Windows5.6 - 26
CADdoctor
CADdoctor is the earlier Elysium product identity represented by the 3D-SUITE Editor, a paid set of tools for 3D engineering data and model-based engineering workflows.
WebWindows5.5 - 27

CADfix DX
LinuxWindows5.5 - 28
CrossCad/Ware
CrossCad/Ware is a software development kit for developers building 2D and 3D engineering applications that need CAD data conversion and extraction.
LinuxmacOSWindows5.4 - 29
meshfile
meshfile is a free C library for reading and writing 3D mesh file formats on Linux and UNIX systems.
Linux5.4

