How to export .nif files? (wizard101 & Pirate101)

[Hub]

Hey people

I used Noesis 3D to open and export nif files for a long time, but it seems like the new files are too big for Noesis...it crashes when I want to export a big file.
Does anyone know another option to convert nif files? (and no, NifSkope doesn't work)

[aluigi]

I suggest you to upload one of these nif files because many users here know nif/nifskope/noesis but don't know the games you mentioned.

[Hub]

Well then, here's a file