XRCatTool.exe -x -in "01.cat" -out "extracted_folder" Pack: XRCatTool.exe -c -in "my_mod_files" -out "10.cat" Why You Need the Catalog Tool
: Running the tool without necessary runtime libraries. X Rebirth Catalog Tool 1.10
: When unpacking files, it is highly recommended to create a separate folder for the unpacked game (e.g., C:\X4Unpacked ) that contains no spaces in the file path. Some subsequent conversion tools may fail if spaces are present in the directory name. XRCatTool
The X Rebirth Catalog Tool 1.10 is a lightweight command-line and graphical utility designed to manipulate .cat (catalog) and .dat (data) file pairs. X Rebirth uses these twin file formats to store all asset data. The .cat file acts as an index directory containing file paths, sizes, and encryption keys, while the .dat file holds the actual compressed data. The X Rebirth Catalog Tool 1
Verdict A practical, well-executed catalog tool that meaningfully improves inventory browsing and shopping in X Rebirth; version 1.10 refines stability and UI polish—recommended for players who want faster, more convenient item management.
He hit Enter.
To modify the game, you must first "unpack" these archives to access the readable files. Once you've made your changes, the tool allows you to "re-pack" them into a format the game can read. This process of extraction and compilation is necessary for all forms of modding, making the Catalog Tool the most important tool in a modder's arsenal.