JKSV Tutorials
JKSV — JK’s Save Manager by J-D-K for Nintendo Switch 1 with Atmosphère — covers a lot more than a single backup button. These tutorials walk through the complete workflow, from installation to advanced transfers, using only the current release (date tag 12/02/2025). Start with installation if JKSV is not on your console yet, or jump straight to the task you need. Every guide links back to the download page so you can always get the current build.
- How to Install JKSV — Download, verify and install the current build at /switch/JKSV/JKSV.nro.
- How to Back Up Switch Saves — Make your first single-game backup and verify it.
- How to Restore Saves — Restore safely with the pre-restore auto-backup enabled.
- Back Up All Saves at Once — Batch-backup the whole system or a single user.
- Transfer emuMMC to sysNAND — Move saves between environments, with honest risk notes.
- Transfer Between Consoles — Move saves between two consoles or two users via PC.
- Create Save Data Without Launching — Prepare save data for one title or all titles.
- Resize Save Data — Expand a save container, with Minecraft as the example.
- SVI Files Explained — What SVI files do and the developer warning attached.
- How to Update JKSV — Self-update and manual .nro replacement explained.
- Where JKSV Saves Files — The /JKSV/, program and config folder map.
- File Mode: Single Files — Browse and replace single files for external editors.
JKSV is an unofficial homebrew tool — this site is an independent resource and is not affiliated with the developer. Always keep a second copy of important backups off the SD card.