Best 3D InterOp Alternatives in 2026

20 tools from 3D file converter software ranked against 3D InterOp on the same published basis.

  1. 13D InterOp vs HOOPS Exchange
  2. 23D InterOp vs CAD Exchanger
  3. 33D InterOp vs Convert3D
  4. 43D InterOp vs CAD Assistant
  5. 53D InterOp vs ODA File Converter
  6. 63D InterOp vs Spin 3D
  7. 73D InterOp vs Open Asset Import Library (Assimp)
  8. 83D InterOp vs 3D-Tool
  9. 93D InterOp vs FBX2glTF
  10. 103D InterOp vs Vertessia
  11. 113D InterOp vs meshio
  12. 123D InterOp vs PolyTrans
  13. 133D InterOp vs 3D Model Converter
  14. 143D InterOp vs CrossCad/Ware
  15. 153D InterOp vs NuGraf
  16. 163D InterOp vs MeshFormat
  17. 173D InterOp vs CADfix DX
  18. 183D InterOp vs meshfile
  19. 203D InterOp vs 3D_Evolution
  20. 213D InterOp vs FBX-glTF-conv

3D InterOp alternatives compared

#ToolScoreFree planFromRuns on
1HOOPS Exchange8.1No—Android, iOS, Linux, Mac, Web, Windows
2CAD Exchanger7.7No—Android, API, iOS, Linux, Mac, Web, Windows
3Convert3D7.6Free plan$74.92/moAPI, Linux, Mac, Web, Windows
4CAD Assistant7.5Free planFreeAndroid, iOS, Linux, Mac, Windows
5ODA File Converter7.5Free planFreeAndroid, Linux, Mac, Windows
6Spin 3D7.5Free planFreeMac, Web, Windows
7Open Asset Import Library (Assimp)7.4Free planFreeAndroid, iOS, Linux, Mac, self-hosted, Windows
83D-Tool7.3Free planFreeWindows
9FBX2glTF7.2Free planFreeLinux, Mac, Windows
10Vertessia7.1Free plan$19/moAPI, Web
11meshio7.0Free planFreeLinux, Mac, Windows
12PolyTrans7.0No—Mac, Windows
133D Model Converter6.9Free plan$9.90/moWeb
14CrossCad/Ware6.9No—Linux, Mac, Windows
15NuGraf6.8No—Mac, Windows
16MeshFormat6.7Free planFreeWeb
17CADfix DX6.6No—Linux, Windows
18meshfile6.3No—Linux
203D_Evolution6.2No—Web, Windows, Linux
21FBX-glTF-conv6.1Free planFreeLinux, Mac, Windows
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Questions about 3D InterOp alternatives

What is the best alternative to 3D InterOp?

HOOPS Exchange, number 1 in 3D file converter software with a score of 8.1 out of 10. The others here: CAD Exchanger, Convert3D, CAD Assistant and 16 more.

What is the best free alternative to 3D InterOp?

Convert3D is the best-ranked alternative with a free plan. 12 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.