A: This is called "re-injecting." You cannot simply rename a PNG to FTEX. You must use the specific modding tool you used to extract it. Most tools have an "Import" button that will convert your PNG back into the necessary FTEX bit-depth and compression format required by the game engine.
I tried that last night too. It didn't work sadly. Thanks for trying. ... I don't know what game you're referring to, but I suspec... Reddit README.md - Atvaark/FtexTool - GitHub A tool for converting files between Fox Engine texture (. ftex) and DirectDraw Surface (. dds). GitHub [HELP]How do you unpack/extract textures from a .pftxs file? - Reddit Mar 15, 2016 —
A: This is a "swizzling" or "color palette" issue. The texture data is stored mathematically differently than a standard image.
The tool will generate a .dds file in the same directory. PES 2021 Ftex Converter v1.0 by Devil Cold52
A: The file might be compressed.
series. While there isn't a single "commercial" app for this, several community-developed tools serve as the industry standard. Top Tools for FTEX to PNG Conversion