Edit the Byte — MKW Region ID Patcher

client‑side

1) Load main.dol (Mario Kart Wii)

Drag & drop your main.dol here (or)

No uploads — everything runs in your browser. Works with main.dol extracted from ISO/WBFS. Editing full disc images in‑browser is not supported.

2) Detection

No file loaded yet.
Variant / Path Offset Found byte Meaning Select

We read known Region ID algorithm result bytes inside main.dol. Some games (PAL/JP) have two code paths; you can choose which one to edit.

3) Change region

4) Download

Patch something to enable download.