Best 3D File Converter Software in 2026
Updated
In short: HOOPS Exchange is ranked #1 of 30 as of 8 October 2026, ahead of CAD Assistant and Open Asset Import Library (Assimp). The best-ranked option with a free plan is CAD Assistant. The lowest first paid tier on this page is Simpel3D at $5.75/mo.
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.
30 3D file converter software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
14 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | HOOPS ExchangeWeb · Windows · Mac · Linux · Android · iPhone | Three bars | — | 6 of 6 | — | 6.8 | |
| 2 | CAD AssistantWindows · Mac · Linux · Android · iPhone | Three bars | — | 5 of 6 | Free | 6.7 | |
| 3 | Open Asset Import Library (Assimp)Windows · Mac · Linux · Android · iPhone · Self-hosted | Three bars | — | 5 of 6 | Free | 6.7 | |
| 4 | Convert3DWeb · Windows · Mac · Linux · API | Three bars | — | 4 of 6 | $74.92/mo | 6.6 | |
| 5 | ODA File ConverterWindows · Mac · Linux · Android | Three bars | — | 4 of 6 | Free | 6.6 | |
| 6 | Spin 3DWeb · Windows · Mac | Three bars | — | 3 of 6 | Free | 6.6 | |
| 7 | FBX2glTFWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 6.5 | |
| 8 | meshioWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 6.5 | |
| 9 | 3D Model ConverterWeb | Two bars | — | 1 of 6 | $9.90/mo | 6.4 | |
| 10 | 3D-ToolWindows | Two bars | — | 1 of 6 | Free | 6.4 | |
| 11 | MeshFormatWeb | Two bars | — | 1 of 6 | Free | 6.4 | |
| 12 | VertessiaWeb · API | Two bars | — | 1 of 6 | $19/mo | 6.4 | |
| 13 | CAD ExchangerWeb · Windows · Mac · Linux · Android · iPhone · API | Two bars | — | — | 6 of 6 | — | 5.8 |
| 14 | CrossCad/WareWindows · Mac · Linux | Two bars | — | — | 3 of 6 | — | 5.6 |
| 15 | 3D InterOpWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.4 |
| 16 | 3D_EvolutionWeb · Windows · Linux | One bar | — | — | 3 of 6 | — | 5.4 |
| 17 | FBX-glTF-convWindows · Mac · Linux | Two bars | — | 3 of 6 | Free | 5.3 | |
| 18 | meshfileLinux | One bar | — | — | 1 of 6 | — | 5.3 |
| 19 | CADdoctorWindows | No signal | — | — | 1 of 6 | — | 5.2 |
| 20 | Cadster 3D Converter CoreWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 21 | ConvertpolyWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 22 | NEXUS Model ConverterWindows | No signal | — | — | 1 of 6 | — | 5.2 |
| 23 | Simpel3DWeb | One bar | — | 1 of 6 | $5.75/mo | 5.2 | |
| 24 | CADfix DXWindows · Linux | One bar | — | — | 2 of 6 | — | 5.1 |
| 25 | NuGrafWindows · Mac | One bar | — | — | 2 of 6 | — | 5.1 |
Compare all 25 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Format scope | Animation conversion |
|---|---|---|---|---|---|---|---|---|
| 1 | HOOPS Exchange | 6.8 | No | — | No | — | cad | Yes |
| 2 | CAD Assistant | 6.7 | Free plan | Free | Yes | — | mixed | — |
| 3 | Open Asset Import Library (Assimp) | 6.7 | Free plan | Free | — | — | mixed | Yes |
| 4 | Convert3D | 6.6 | Free plan | $74.92/mo | Yes | — | mixed | — |
| 5 | ODA File Converter | 6.6 | Free plan | Free | Yes | — | cad | — |
| 6 | Spin 3D | 6.6 | Free plan | Free | Yes | — | mesh | — |
| 7 | FBX2glTF | 6.5 | Free plan | Free | Yes | — | mixed | Yes |
| 8 | meshio | 6.5 | Free plan | Free | — | — | mesh | — |
| 9 | 3D Model Converter | 6.4 | Free plan | $9.90/mo | Yes | 9.9 /mo | mixed | — |
| 10 | 3D-Tool | 6.4 | Free plan | Free | Yes | — | — | — |
| 11 | MeshFormat | 6.4 | Free plan | Free | Yes | — | mixed | Yes |
| 12 | Vertessia | 6.4 | Free plan | $19/mo | Yes | 19 /mo | mixed | — |
| 13 | CAD Exchanger | 5.8 | No | — | — | — | mixed | No |
| 14 | CrossCad/Ware | 5.6 | No | — | No | — | mixed | — |
| 15 | 3D InterOp | 5.4 | No | — | — | — | mixed | — |
| 16 | 3D_Evolution | 5.4 | No | — | — | — | cad | — |
| 17 | FBX-glTF-conv | 5.3 | Free plan | Free | Yes | — | mesh | Yes |
| 18 | meshfile | 5.3 | No | — | Yes | — | mesh | No |
| 19 | CADdoctor | 5.2 | No | — | — | — | mixed | — |
| 20 | Cadster 3D Converter Core | 5.2 | No | — | — | — | mixed | — |
| 21 | Convertpoly | 5.2 | No | — | Yes | — | mixed | Yes |
| 22 | NEXUS Model Converter | 5.2 | No | — | Yes | — | mesh | — |
| 23 | Simpel3D | 5.2 | Free plan | $5.75/mo | Yes | — | mixed | — |
| 24 | CADfix DX | 5.1 | No | — | No | — | mixed | No |
| 25 | NuGraf | 5.1 | No | — | No | — | mixed | Yes |
Is your app on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which 3D file converter software is ranked first on Freedom251?
HOOPS Exchange is ranked #1 of 30 with a score of 6.8. CAD Assistant is second and Open Asset Import Library (Assimp) third.
How many of these have a free plan?
13 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Simpel3D has the lowest first paid tier we found: $5.75/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.