L2Encdec v2.10.1 – L2 Encrypt Decrypt Tool for Lineage 2 Client Files
Looking for a reliable L2 encrypt decrypt tool? L2Encdec v2.10.1 is a powerful Lineage 2 encryption and decryption tool designed for working with protected client files.
It supports multiple header versions and can be automated using batch scripts, making it ideal for developers and modders.
This tool allows you to easily encrypt or decrypt various Lineage 2 file formats and includes source code for advanced customization.
Features
- Supports encryption and decryption for header versions: 111, 120, 121, 211, 212, 411, 412, 413, 414
- Works with multiple file formats: bmp, dat, htm, ini, int, ogg, u, uax, ugx, uix, ukx, unr, usk, usx, utx, xdat
- Includes extra.bat script for automation (encrypt, rename, and transfer files)
- Source code included for customization
How to Use
- Extract l2encdec_v2.10.1.zip
- Copy the file you want to process into the extracted folder
- Right-click encrypt.bat and open it with Notepad
- Replace example.utx with your file name
- Save and run encrypt.bat
- Your file will be encrypted or decrypted
- Rename enc-example.utx back to example.utx and place it in your Lineage 2 folder
Automation (Extra Script)
The included extra.bat script allows you to fully automate the process of encrypting, renaming, and transferring files.
- Copy your file into the extracted folder
- Edit extra.bat with Notepad
- Replace example.utx with your file name
- Set the encryption version (e.g. 121)
- Update the Lineage 2 folder paths
- Optionally remove auto-start lines for l2.exe
- Run the script
Compatibility
L2Encdec supports multiple Lineage 2 client versions and is widely used for modifying encrypted game files.
Why Use L2Encdec?
This tool simplifies working with encrypted Lineage 2 files and is especially useful for automating repetitive tasks.
With batch script support and included source code, it is a flexible solution for both beginners and advanced users.
Credits
Developed by M. Soltys (aka Dstuff)
Source code maintained by: ritsuwastaken





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