dazjo/mkey: 3DS / Wii U / Switch master key generator - GitHub

Think of it as a specialized tool designed for a very specific scenario: you know the console is yours, you want to change its parental settings, but you've been locked out by a forgotten PIN.

Officially, bypassing this requires navigating to the Nintendo Support Portal or calling customer service to pay a processing fee for an 8-digit unlock code. The mkey tool bypasses this entire administrative hurdle for free.

Buying a used Nintendo console is an excellent way to experience classic games, but it often comes with an annoying roadblock: a forgotten Parental Controls PIN. For years, the gaming community relied on a legendary web tool——to generate official-style master keys to bypass these locks instantly without calling customer support.

On a computer or mobile device, navigate to https://mkey.salthax.org . As of early 2026, the website is still functional, though some users have noted that it may not always be immediately updated to support the latest console firmware.

While mkey.salthax.org is highly effective, it has limitations, particularly with newer systems.

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Once accepted, navigate immediately to the Parental Controls main panel and select or Delete . This permanently removes the lock, allowing you to format the system or change settings freely. Troubleshooting Common Errors

The master key architecture varies across generations, but the open-source code behind mkey supports multiple algorithm versions: Nintendo Wii and Nintendo DSi v1: Nintendo Wii U v2: Nintendo 3DS and 2DS family v3: Nintendo Switch v4: Modern Nintendo Switch firmware updates Step-by-Step: How to Use Mkey to Unlock Your Console

: The console utilizes a specific Hashed Message Authentication Code (HMAC) or custom mathematical derivative based on the system's firmware version.

, or . While Nintendo offers official recovery methods, they often involve fees or long wait times. The community-developed tool mkey.salthax.org has become a popular, free alternative for generating a "master key" to bypass these locks. What is mkey.salthax.org?

Sometimes, the site may not be updated immediately for the very latest Nintendo Switch firmware versions.