KN5 is a proprietary file format primarily associated with , a highly popular racing simulator developed by Kunos Simulazioni. These files act as containers that hold 3D models, textures, animations, and material data for cars and tracks.
Select the .bms script you downloaded in Step 1.
The encryption system is not intended to be a high-security measure but, in the developer's own words, serves "".
There are legitimate reasons to want access to encrypted .kn5 files:
Accessible and can be "unpacked" into FBX or OBJ formats for editing. how to decrypt kn5 files
Here's a step-by-step guide to decrypting KN5 files using a third-party decryption tool:
Step 5 — Exporting back to KN5 / reimporting into the sim
I can provide tailored troubleshooting steps for your exact software setup. Share public link
Click on any part of the 3D model to view its material properties. KN5 is a proprietary file format primarily associated
Have a specific KN5 file you need help with? Join the Assetto Corsa Modding Discord and ask in the #modding-help channel. Always respect the rules of the server.
KN5 files are encrypted files used by some GPS navigation systems, particularly those developed by Navteq, a leading provider of navigation data. These files contain map data, such as road networks, points of interest, and other location-based information. However, due to their encrypted nature, accessing the contents of KN5 files can be challenging. In this blog post, we'll walk you through the process of decrypting KN5 files.
As of 2025-2026, the modding scene has polarized:
The developer also issued a warning to mod creators: “Do not share your encrypters! That is pretty much as releasing all your content decrypted, if some people would want to reverse engineer it.” The encryption system is not intended to be
By following these steps and choosing the right method, you can successfully decrypt KN5 files and access the data stored within.
Step 1 — Inspect the KN5
Let’s walk through a practical example: extracting a car model from a typical unencrypted Assetto Corsa mod so you can examine it in Blender.