010 Editor (ARCHIVED)

What is 010 Editor?

We can now use Wolvenkit's File Editor, and hex editing has become obsolete. As of April 2026, you shouldn't have to use a hex editor – ever.

If you find that you have to do this anyway, please create a ticket on github so that we can tech this away..

Overview

010 Editor with CP77_CR2W template file

010 Editor is a generic hex editing software which is capable of reading and writing REDengine W2RC files. A custom template for the 010 Editor created by @alphaZomega must be used to parse game files as human-readable.

Download

The 010 Editor can be downloaded from Sweetscape's website

010 Editor - Pro Text/Hex Editor | Edit 300+ Formats | Fast & Powerful | Reverse Engineeringwww.sweetscape.com

010 Editor Template for Cyberpunk 2077

alphaZomega's CP77_CR2W.bt 010 template can be downloaded from the following link: https://www.mediafire.com/file/udqqvb4yz1xpuka/CP77_CR2W_v0.51.zip

Setup

1. Install 010 Editor and run it.\

2. install alphaZomega's template by navigating to Templates > View Installed Templates, then click Add and add CP77_CR2W.bt.\

3. Navigate to your Cybeprunk 2077 installation, locate the oo2ext_7_win64.dll file, then copy and paste the DLL to the same location as the BT template file.

Scripts

Unkarkify and Rebuild

Unpack and pack the compressed "KARK'd" data within a CP77_CR2W file

Erase

Deletes an entire name and value's worth of a section inside the aforementioned formatted file

changeMatHdrs

Changes all the Material headers' numbers inside a file to be a universal one with zero offsets

insertMatHdrs

Creates a new material header inside a file