Use a batch script to loop through all .pak files:
for %%i in (*.pak) do (precomp.exe -v -c "%%i" && xtool.exe c -m5 "%%i.pcf" "%%i.xt")
The XTool Library (often distributed as xtool.dll or xtool64.dll) is a highly sophisticated, proprietary compression and decompression engine developed by the reverse engineering and software modification community figure known as Razor12911. It is not a standalone application, but rather a dynamic-link library (DLL) designed to be integrated into other software—most notably setup creators, repack builders, and custom installation frameworks.
Within the realm of PC game repacking and reverse engineering, Razor12911's XTool is considered the gold standard for advanced data compression, often outperforming commercial alternatives in specific, highly compressed scenarios.
Installers like Inno Setup do not natively support advanced pre-processing filters. Developers use XTool as an external pre-compressor. The installer simply calls xtool.dll to decompress the data on the fly while the user watches the installation progress bar.
# main.py
from xtool_library import Xtool
def main():
input_str = "Python Programming"
print(Xtool.reverse_string(input_str))
print(Xtool.string_to_uppercase(input_str))
if __name__ == "__main__":
main()
This example provides a basic structure and usage of a library piece. If you're looking for something specific within the Xtool Library by Razor12911, please provide more details or context about the library and your requirements.
Maximizing Compression: A Deep Dive into Xtool by Razor12911
If you have ever downloaded a high-quality game repack from groups like FitGirl Repacks or DODI, you have likely seen the name Razor12911 in the credits. While his work often hums quietly in the background during installation, the Xtool library is the secret sauce behind some of the most impressive compression ratios in the digital world. What is the Xtool Library?
Developed by the legendary coder Razor12911, Xtool is a specialized pre-compression tool. Unlike standard compressors that simply try to shrink data, Xtool "unpacks" or transforms specific types of data—like game textures, audio, or Zlib streams—into a more compressible state. Once Xtool has pre-processed the files, a secondary compressor (like LZMA or LOLZ) can squeeze them much tighter than they could on their own. Why Repackers Love It Xtool Library By Razor12911
The results speak for themselves. Games like Mad Max can be compressed from nearly 30 GB down to a mere 3.6 GB. Here is why Xtool is a staple in the community:
Lossless Precision: It is 100% lossless. Every bit of data is identical to the original after installation.
Efficiency: It significantly reduces archive sizes, saving users bandwidth and storage space.
Versatility: It handles various data formats, making it a "Swiss Army knife" for game data optimization. What to Expect During Installation
When you see a message saying "Repack uses XTool library by Razor12911," your CPU is about to do some heavy lifting.
CPU Usage: Since Xtool is reconstructing complex data, it often uses a high percentage of your CPU.
RAM Requirements: Most repacks utilizing this library require at least 2 GB of free RAM (including virtual memory) to function correctly. Use a batch script to loop through all
Installation Time: Because it is decompressing highly optimized data, install times can vary based on your hardware—ranging from a few minutes on a high-end CPU to over 20 minutes on older systems. Final Thoughts
Xtool by Razor12911 is more than just a library; it is a vital part of the preservation and distribution of digital media. It allows enthusiasts with limited internet speeds to enjoy modern titles by shrinking massive installs into manageable downloads without losing a single pixel of quality.
Xtool is a high-performance precompression and preprocessing tool developed by Razor12911, primarily used in the game repacking community to drastically reduce file sizes. Unlike standard compression tools, Xtool acts as a "pre-processor" that identifies and "unpacks" various internal compression streams (like zlib, Oodle, or Zstd) so that a secondary compressor (like 7-Zip or Zpaq) can compress the raw data more effectively. Key Features and Technical Capabilities
Multi-threaded Performance: Built to utilize modern multi-core CPUs, Xtool overcomes the single-threaded limitations of older tools like Precomp, allowing for much faster processing of 60GB+ game files.
Advanced Codec Support: It includes specialized scanners and decoders for a wide range of formats, including: Internal Codecs: Zlib, Zstd, Oodle, LZ4, LZO, and more.
Multimedia Processing: Dedicated detectors for JPG, PNG, and WAV/FLAC streams.
Stream Deduplication: A built-in feature that identifies duplicate data streams within files to prevent redundant processing, saving both time and final archive space. The XTool Library (often distributed as xtool
Plugin Architecture: Supports advanced configuration-based and executable plugins, allowing users to extend its capabilities for specific games or proprietary formats. Why Repackers Use It
Popular repackers like FitGirl often utilize the Xtool library because it ensures high compatibility and stability during the decompression phase on a user's machine. Repacks using Xtool are noted for installing more reliably under environments like Wine or Proton compared to older, less standardized methods.
Gaming: Shrinking massive modern titles for easier distribution.
Archiving: Pre-processing everyday files (documents, media) before final storage to maximize space savings.
Repack Creation: Integrated into tools like Installer Creator [Razor12911] to build professional game installers.
The project is hosted and updated on GitHub, where recent versions (e.g., ES_R54) have introduced memory optimizations, GPU caching, and updated scanners for DirectStorage and Gdeflate streams. Xtool - Some tool repackers like to use - ENCODE.SU Forum