TYSS or RYaTian's Save Studio for 3DS.

• Support backup/restore 3DS and DS cartridge saves
• Support save management for 3DS digital titles and demo titles, with automatic filtering of homebrew or other applications without save data
• Support backup/restore ExtData, BOSS ExtData, Sys Saves and Shared ExtData
• Support cloud save upload and download (via Google Drive)
• Support backup/restore DSiWare saves
• Support GBAVC save management (raw and/or .sav)
• Multi-language user interface
• Built-in cheats database (English and Simplified Chinese), with support for installing cheat files
• Save files can be compressed in zip format
• Provide both light and dark UI themes color
• Configurable game title language
• Provide Save Studio Toolbox for managing play time history, step history, cached icon data and more:
  • Modify play coin count
  • Clear step history
  • Clear play time history and software library
  • Clear shared icon cache
  • Clear HOME Menu icon cache (Old3DS consoles require Mode3 version)
  • Reset demo play count
  • Clear game notes
  • Remove software update notifications
  • Unpack all gift-wrapped software on the HOME Menu
  • Modify today's step count
  • Reset favorites list and titles blacklist for TYSS

• Circle Pad Left/Right, C-Stick Left Left/Right or ZL/ZR Changes View Type. Introduces L/R button function toggle, which allows Old 3DS users to switch View Type using the L/R buttons.

• While in title selection:

  • A Opens the highlighted title
  • Y Adds the highlighted title to favorites.
  • X Open options menu

• While Backup Item Selection is open:

  • A Overwrites an already dumped backup or selects New
  • X Deletes the highlighted item
  • Y Restores the highlighted item
  • R Upload the highlighted zip/sav/bin file
  • B Closes and returns to title selection

• Google Drive Instructions: Follow the guide here.
  • NOTE: Cloud Drive feature requires backup created with the Export To Zip option turned on are uploadable.

See releases for the latest version.

• Setup devkitPro
• Run this command to install dependencies:
  • dkp-pacman -S 3ds-curl 3ds-mbedtls 3ds-zlib (You may need to remove dkp)
  • pip install zopflipy (You may need to install python and pip first)
  • Install gettext toolchain via your package manager
  • git clone -b 3ds-jtjson https://github.com/R-YaTian/3ds-jtjson.git && cd 3ds-jtjson && catnip -T 3ds -S . -B build install
• Then simply run make

Distributed under the GNU GPLv3. See LICENSE for more information.

Copyright © 2024-2025 R-YaTian.

• R-YaTian: Main Developer
• J-D-K for the original JKSM version.
• TuxSH for TWLSaveTool, from which SPI code has been taken.
• All Checkpoint and PKSM contributors for some code that has been ported to TYSS.
• WinterMute, fincs and devkitPro contributors for devkitARM and dkp-pacman.
• James-Makoto for testing and the TYSS logo/icon.
• FlagBrew for the original Sharkive DB.
• realworld: Main Translator of Sharkive DB CHS.
• Ryuzaki-MrL for the Cthulhu homebrew.