XNB File Documentation

Overview

Feature Value
File Extension .xnb
Full Name XNA Game Studio Binary Package
File Type Binary
Developed By Microsoft
Used By XNA Game Studio Games
MIME Type application/octet-stream
Content Type Compiled Assets and Resources
Compression Optional
Compatibility Xbox 360, Windows (XNA-supported versions)
Encoding Little Endian
Structure Header, Data Block(s)
Primary Use Game Development
Advantages Performance, Cross-platform Compatibility
Header Format 7-bit encoded int
Asset Type Metadata Included within file
Modifiable With specific tools/software
Security No built-in DRM or encryption
Popular in Games Like Stardew Valley, Terraria
Decompilation Possible with tools like XNBExtract
Versioning Supports multiple versions for backward compatibility