The txdworkshop.exe file you have requested: Tools and Utilites / TXD File Utilites / TXD Workshop 4.0B - 305.5kb is not available. Perhaps try browsing all files for the game Grand Theft Auto III and upload any files you want to share or are missing. This is the only information we could locate:
This is the latest version of San Andreas TXD Workshop.This program is a texture editor for GTA San Andreas, GTA Vice City and GTA 3. This new version of TXD Workshop has full support for changing textures in in all three of the above based games and now includes PNG Image support and many bug fixes. For modding this file is probably one of the only texture tool files that you will need.