PKM File Documentation

Overview

Feature Value
File Extension .pkm
Full Name Pokémon Saved Game Data File
File Type Saved Game Data
Associated Games Pokémon series (primarily DS games)
Developer Game Freak
Purpose Stores individual Pokémon data
Data Contained Pokémon species, moves, stats, etc.
Encryption Yes, varies by game version
Transferability Can be transferred between games using tools
Editor Tools PokéGen, PKHeX
Compatibility Mostly DS-era Pokémon games
MIME Type application/octet-stream
Character Encoding Binary
Usage Game save editing, Pokémon trading
File Size Varies, typically small (KB range)
Pokémon Data Structure Contains individual values (IVs), effort values (EVs), and more
File Origin Extracted from game save data
Sharing Capability Easily shared online
Legal Concerns May violate game terms, copyrights
Modification Capability Can be modified with appropriate software