Razor12911 released several command-line tools that became industry standards:
The xTool library is actually three major technologies welded into one API.
xTool represents an elegant solution to a common problem in the scene: how to distribute modifications without distributing copyrighted code. The delta approach is clever, efficient, and technically interesting from a reverse engineering perspective.
For educational purposes only. Always respect software licenses and copyright laws.
xtool library created by razor12911 is a popular pre-compression tool used primarily by the game repacking community (such as FitGirl or DODI) to significantly reduce the size of game files. It works by scanning for and "unpacking" specific data streams (like zlib, lz4, or oodle) hidden inside larger game files, allowing standard compression algorithms (like LZMA) to compress them more effectively. How It Works Scanning and Detection
: It identifies compressed data streams within game archives (e.g., Pre-compression
: It decodes these streams into their original, uncompressed state before a final compression pass. Restoration
: During installation, the tool reverses the process, re-encoding the streams so the game files match their original bit-perfect state. Plugin Support : It supports various external codecs such as (common in modern Unreal Engine games), Common Issues & Tips High CPU/Memory Usage
: Because it performs complex decompression/compression tasks, it often uses 100% of your CPU during game installation. False Positives : Anti-virus software may flag
or its libraries as "suspicious" because it interacts with other processes to decompress files, but it is generally considered safe if downloaded from trusted repackers. Compatibility
: Recent updates have focused on supporting newer game formats like the Unreal Engine xtool library by razor12911 work
structures, though some versions require specific "hotfixes" for stability with modern development environments like RAD Studio 12.
For the most up-to-date versions and technical documentation, you can visit the Official GitHub Repository or follow the developer's updates on how to use it for your own repacks, or are you trying to fix an error during a game installation? Releases · Razor12911/xtool - GitHub
Review: Xtool Library by Razor12911
I've taken a look at the Xtool library developed by Razor12911, and here's my review:
Overview The Xtool library is a Python package designed to provide a set of tools for working with various data formats, including Excel, CSV, and JSON. The library aims to simplify data manipulation and analysis tasks.
Pros:
Cons:
Features and functionality
The Xtool library provides a range of features, including:
Example use case
Here's an example of using the Xtool library to read and manipulate an Excel file:
import xtool
# Load Excel file
df = xtool.read_excel('example.xlsx')
# Clean and filter data
df = xtool.drop_missing_values(df)
df = xtool.filter_rows(df, 'column_name', 'value')
# Save to CSV
xtool.write_csv(df, 'output.csv')
Conclusion
The Xtool library by Razor12911 is a useful tool for data manipulation tasks, particularly when working with various data formats. While it has some limitations, such as limited documentation and performance issues, it can still be a valuable addition to a Python developer's toolkit. With some improvements to documentation, error handling, and performance, this library has the potential to become a top-notch data manipulation library.
Rating: 3.5/5
Recommendations
Overall, the Xtool library is a good starting point for data manipulation tasks, and with some further development, it can become an excellent library.
The xtool library, developed by Razor12911, is a powerful command-line tool primarily used by game repackers to precompress files. It specializes in detecting and processing various compression streams (like zlib, lz4, zstd, and oodle) within data files, making them more compressible for secondary tools like 7-Zip or SREP. Core Features and Capabilities
Stream Detection: Automatically identifies compressed data streams within larger files (e.g., .rpf files from Grand Theft Auto V) to unpack them for better compression ratios.
Library Checker: A "trial and error" feature that allows you to point xtool to a directory of external libraries (like different versions of oodle). The tool will cycle through them to see which one processes the most streams, effectively automating the search for the best compression settings.
Plugin Support: Supports advanced configuration-based plugins and database plugins for zlib streams. For educational purposes only
Multi-threading: Can utilize multiple CPU threads to speed up the precompression process (using the -t parameter). Key Technical Advancements
The library has evolved through various versions, with recent updates focusing on:
User Interface: Newer releases include a UI mode when xtoolui.dll is present.
Advanced Scanners: Improved scanners for Oodle and Deflate streams, including "skip verification" modes to save time during processing.
Codec Integration: Enhanced support for handling zlib, lz4, and zstd codecs directly. Usage Resources
If you are looking to integrate or use this library, you can find official files and discussions on the following platforms:
Source and Updates: The most recent releases of xtool are available on GitHub, where you can download the latest binaries and see detailed changelogs.
Community Support: Detailed technical discussions and benchmarks can be found on the ENCODE.SU forum and FileForums, where Razor12911 and other users share performance results.
Tutorials: Users often seek specific guidance on community hubs like Stack Overflow for command-line syntax and best practices for precompressing game files. Releases · Razor12911/xtool - GitHub
Thanks to benchmarks shared on CS.RIN.RU and Reddit’s r/CrackWatch, here is what xTool achieves on a typical gaming PC (Ryzen 5 5600X, 16GB RAM, NVMe SSD): and with some further development
These numbers explain why razor12911’s library is a staple despite its complexity.
# Typical xTool command structure
xtool.exe patch "game.exe" "crack.xtool" -v
Instead of distributing pre-cracked EXEs (which triggers antivirus and copyright issues), xTool applies patches dynamically using delta patches - small files containing only the differences between original and modified executables.