The GFPGAN network consists of two networks. Actually GFPGAN and StyleGAN2

Export GFPGAN network from GFPGANv1.3 to ncnn

1 Clone repository
2 Download GFPGANv1.3.pth in root dir of this project
3 Run - Export_PTH_to_PT_GFPGAN.py to convert pth to pt
4 Download pnnx from https://github.com/pnnx/pnnx and unpack to root dir of this project
5 Run pnnx

pnnx.exe gfpganv1_clean_model.pt inputshape=[1,3,512,512]

6 Output will be gfpganv1_clean_model.ncnn.param and gfpganv1_clean_model.ncnn.bin

Export GFPGAN network from GFPGANv1.3 to onnx

1 Clone repository
2 Download GFPGANv1.3.pth in root dir of this project
3 Create folder "pretrained" in root dir of project
4 Put any jpg file 512x512 in root dir with name 1.jpg
4 Run - Export_GFPGANv1_3_to_ONNX.py to convert pth to ONNX

Export StyleGAN2 from GFPGANv1.3 to onnx

1 Clone repository
2 Create folder "pretrained" in root dir of project
3 Download GFPGANv1.3.pth in root dir of this project
4 Run Export_StyleGAN2GeneratorClean_to_ONNX.py