Is Mii Studio Mii Loader safe?

Clean risk

Loads and saves Mii Studio codes and Mii data files on the Mii Studio website.

This extension adds a popup for use while editing a Mii on https://my.nintendo.com/mii. It lets you paste a Mii Studio code to update the current Mii, copy the current Mii’s code, and import or export Mii data files in supported formats such as QR codes and Switch formats.

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0Risk

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

Publishers can request a review.

Where it sends data

Destinations our analysis observed Mii Studio Mii Loader contacting. Sending data somewhere is not a finding on its own - an extension that syncs your settings has to talk to its own server - but it is where your data can go, and who else it goes to.

  • my.nintendo.com

    Mii Studio Mii Loader sends data to my.nintendo.com. No other extension we have analysed sends data here.

Updated 15 October 2026aghjddgonhejbnlpfhncfbajpbihhnmf