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Best 3D File Converter Software in 2026
Converting 3D files can help make models usable across different tools and workflows. Compare format scope and animation conversion to see what kinds of files and content are covered, and consider batch conversion if you work with multiple files. Maximum file size and supported platforms can narrow the options to fit your workflow; API access may be relevant when conversion needs to connect with other systems. Free-plan availability and paid-from pricing offer additional cost context. HOOPS Exchange, CAD Assistant, and Convert3D are among the listed tools to weigh against the formats and file limits you need.
- 31 apps
- Research read 23 Sept 2026
- How the order is worked out
- 1
CAD Assistant
Free plan AndroidiPhoneLinux+2CAD Assistant offers offline viewing, model inspection, and conversion across desktop and mobile platforms.
- 2
Convert3D
Free plan APILinuxMac+2Convert3D offers browser, desktop and API paths for working with 3D formats, with preview and compression tools.
- 3
3D CAD Converter
Free plan Windows3D CAD Converter combines format conversion, model inspection, repair, and automation tools in a Windows app.
- 4
3D Model Converter
Free plan Web3D Model Converter covers a broad set of formats and separates browser-local workflows from cloud conversion for STEP and IGES.
- 5
Cadster 3D Converter Core
Free plan APIWebChoose Cadster 3D Converter Core if your engineering workflow needs format conversion through a browser or API, with options for standard and repeated-component models.
7.2 Visit site - 6
FBX2glTF
Free plan LinuxMacWindowsFBX2glTF offers multiple output forms, animation conversion and material handling in a free command-line package. Check the SDK restriction and potential animation file size against your workflow.
- 7
FBX-glTF-conv
Free plan LinuxMacWindowsFBX-glTF-conv covers meshes, materials, textures, and several animation types in a free command-line tool. Its unfinished FBX features and specific build requirements matter when assessing fit.
- 8
3D-Tool
Free plan Windows3D-Tool offers a limited free viewer, a 14-day full-feature trial and one-time paid licenses. Check the edition's supported formats and Windows requirements before choosing a license.
- 9
ODA File Converter
Free plan AndroidLinuxMac+1ODA File Converter covers batch conversion between .dwg and .dxf versions and offers both graphical and command-line access.
- 10
Open Asset Import Library (Assimp)
Free plan AndroidiPhoneLinux+3Choose Assimp when a project needs a library to load 3D assets across many formats and perform mesh processing.
- 11
Convertpoly
Free plan WebChoose Convertpoly if you want browser-based 3D conversion and inspection with local processing and no account or installation. Its viewer and renderer add ways to examine and export models.
- 12
meshio
Free plan LinuxMacWindowsmeshio covers mesh conversion and file operations through both Python and command-line interfaces. Check optional format dependencies and ParaView version compatibility for workflows that need them.
- 13
Online 3D Converter
Free plan AndroidiPhoneWebOnline 3D Converter offers browser-based conversion across many listed formats, with the site stating that files stay on the device.
- 14
MeshFormat
Free plan WebChoose MeshFormat for free browser-based 3D conversion across its listed formats, with controls, compression, and model viewing in the same site.
- 15
Spin 3D
Free plan MacWebWindowsSpin 3D combines format conversion with previews, mesh corrections, and batch processing. Check the format qualifications and non-commercial restriction before relying on the free version.
- 16
3D_Evolution
Free trial APILinuxMac+3Choose 3D_Evolution if your team needs CAD conversion, validation, simplification, or analysis independent of native CAD licenses.
- 17
NEXUS Model Converter
Free plan WebWindowsNEXUS provides conversion, editing, and web-rendering components for multiresolution 3D work, with separate licenses for its C++ and JavaScript software.
- 18
Simpel3D
Free plan WebPick Simpel3D if you need browser-based conversion to STL, OBJ, or 3MF and value its assembly splitting and mesh reports.
- 19
Vertessia
Free plan APIWebChoose Vertessia if you need mesh or scan reconstruction into editable STEP surfaces, with a free preview and signup downloads to start.
- 20
meshfile
Free plan Linuxmeshfile provides focused mesh-file handling with useful companion tools and minimal dependencies.
- 21
CAD Exchanger
Free trial AndroidAPIiPhone+5CAD Exchanger combines model inspection and editing in Lab with developer libraries for embedding CAD and BIM data access.
- 22
3D InterOp
Free trial APILinuxMac+2Choose 3D InterOp if your team needs a cross-platform SDK for CAD exchange, selective imports, geometry repair, or associated PMI. Spatial offers an evaluation SDK and developer guidance.
- 23
HOOPS Exchange
Free trial AndroidiPhoneLinux+3HOOPS Exchange offers broad CAD data access for application developers, with a free evaluation for assessment. Plan for platform limits and recompilation when upgrading releases.
- 24
NuGraf
Free trial MacWindowsNuGraf combines 3D conversion, optimization, editing, and rendering for demanding scene workflows. Its one-time base price and separately sold converter packs should be considered before purchase.
- 25
CADdoctor
Paid WebWindowsCADdoctor, represented by 3D-SUITE Editor, covers several stages of 3D model data handling, from checks and translation to validation and automation.
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price