Client Editors
Tools for editing L2 client files — DAT editors, encryption/decryption utilities, INI configurators, and client data parsers.
L2 Editor — Client Data Tool
Desktop tool for editing L2 client data files. Visual interface for modifying items, NPCs, skills, and other DAT/INI configurations.
L2ClientDat — DAT Parser
MobiusDevelopment tool for parsing and editing L2 client DAT files. Read, modify, and repack client data programmatically.
L2FileEdit
L2 client file editor by L2Miko. Edit DAT, texture, and mesh files with a graphical interface.
open-l2encdec — Encoder/Decoder
Open-source encoder/decoder for L2 client files. Decrypt and re-encrypt DAT, IDX, and other protected formats.
L2crypt — Encryption Tools
Lineage 2 file encryption/decryption library by acmi. Handles the proprietary L2 encryption for dat, idx, and utx files.
L2 Tool (acmi)
Swiss-army knife for L2 client files. Inspect, convert, and modify various L2 data formats from one interface.
L2PE — L2 Packet Editor
Lineage 2 packet editor and analyzer. Capture, inspect, and modify network packets between client and server for debugging.
L2Crypt — Client Editors Collection
Curated collection of L2 client editing tools on L2Crypt. DAT editors, INI tools, and client utilities in one place.
Lucera 2 — Client Edit Programs
Thread collecting all programs needed to edit L2 Classic and Interlude clients. Tools, tutorials, and download links.