About InfiniMii

InfiniMii is the most comprehensive platform for Mii characters, supporting every Nintendo system from the original Wii to the Nintendo Switch 2 and beyond. Convert to and from any format, generate and read QR codes, work with Miis stored on Amiibos, make Special Miis, store, share, and download Miis, and more! All without ever modding your console! InfiniMii is the number one tool for Miis.

What Makes InfiniMii Special

Universal Compatibility

Works with Miis from all Nintendo systems:

  • Nintendo DS
  • Nintendo Wii
  • Nintendo 3DS
  • Nintendo Wii U
  • Amiibo
  • Nintendo Switch
  • Switch 2
  • Mii Studio
  • Tomodachi Life
  • Miitomo
See our Transfer Guide to learn more!

Advanced Conversion

Convert Miis between any format, including:

  • Wii ↔ 3DS/Wii U backporting
  • QR code generation
  • Binary file conversion
  • Special format variants
  • Extract Miis from and insert Miis into Amiibo files
  • Lossless conversion where possible

Massive Repository

Access thousands of Miis including:

  • Official Nintendo Miis from games
  • Community-created characters
  • Celebrity and character recreations
  • Original designs
  • The statistically Average Mii

QR Code Support

Full QR code functionality:

  • Scan QR codes from images
  • Generate QR codes for any Mii
  • 3DS/Wii U compatible
  • Works with all official Mii QR formats

Personal Mii Bank

Your private Mii collection:

  • Store Miis privately online
  • Access from any device
  • Sync between systems
  • Family and friend Miis
  • Backup your creations

The Average Mii

One of InfiniMii's unique features is The Average Mii - a statistically calculated Mii that represents the most common characteristics across all Miis in our database. This is the closest representation of "John Doe" or "Jane Doe" in Mii form, updated regularly as new Miis are added.

View the Average Mii

Built with MiiJS

InfiniMii is powered by MiiJS, an open-source JavaScript library for Mii manipulation by the same developers. MiiJS enables:

  • Reading and writing all Mii formats
  • High-quality 3D rendering
  • QR code generation and parsing
  • Format conversion with maximum fidelity
  • Generate recreation instructions
  • Do everything InfiniMii does, from your own project!

MiiJS is available on GitHub and NPM for developers who want to build their own Mii applications.

View MiiJS on GitHub

Open Source

InfiniMii and the library that powers it, MiiJS, are both fully free and open source! You can see how everything works and contribute changes! With no ads or premium tiers to unlock functionality, InfiniMii is the perfect tool and Social Miidia to add to your arsenal.

Disclaimer

InfiniMii is an independent fan project and is not affiliated with, endorsed by, or associated with Nintendo Co., Ltd. Nintendo, Mii, Wii, Nintendo DS, Nintendo 3DS, Wii U, Amiibo, Nintendo Switch, Switch 2, Tomodachi Life, and Miitomo are trademarks of Nintendo Co., Ltd.