NX Save Sync Switch

NX Save Sync
General
Author	Xc987
Type	Utilities
Version	2.3.0
License	MIT License
Last Updated	2025/11/29
Links
Download
Website
Source

A homebrew app for syncing Nintendo Switch save files between your console and PC emulator.

Features

• Transfer saves between Switch and PC.
• Supports single or multiple titles at once.
• Simple IP-based connection over local network.

User guide

Sync from switch to pc

On your Switch:

• Launch the NX Save Sync app.
• Press ZL/ZR or L/R to switch users.
• Navigate to the Send tab and select "Start server".
• Switch between pages (with left/right) and select the save files you want to transfer:
  • A - Select a single title.
  • Y - Toggle multiple titles (select/deselect).
  • X - Select all titles.
  • Confirm with A (not including the currently hovered title).
• If no errors occurred, you should see the Switch's IP in yellow.

On your PC:

• Open the PC app.
• (First-time setup) In the PC app's Config tab, enter the Switch's IP.
• Go to the Receive tab and select "Connect to Switch".
• (First sync only) Paste your emulator's save directory (Warning: The directory contents will be deleted).
• If successful, saves will be sent from Switch to PC.

Sync from pc to switch

On your PC:

• Open the PC app, go to the Send tab and select "Start server".
• Choose the title(s) to transfer (or select all).
• If no errors occurred, you should see the PC's IP.

On your Switch:

• Launch the NX Save Sync app.
• (First-time setup) In the Config tab, select "Set PC IP" and enter the PC's IP.
• Navigate to the Receive tab and select "Connect to PC".
• If successful, saves will be sent from PC to Switch.

Sync from primary Switch to secondary Switch

• Run app on primary Switch, go to Send tab and select "Start server".
• Select the title(s) you want to send.
• If no errors occurred, you should see switch IP in yellow.
• Run app on secondary Switch, go to Config tab and set the secondary switch IP.
• Go to Receive tab and select "Connect to secondary switch".
• If no errors occurred, the save file should be sent from primary Switch to secondary Switch.

Note:

• The same process is for syncing from secondary switch to primary Switch.
• During sync between switch and pc, both devices must be on the same network.

Screenshots

Changelog

2.3.0

• speed up title scanning.
• add linux support #4.
• show total size when selecting multiple titles in switch app.
• add config to scan uninstalled titles in switch app.
• add config to hide titles with empty save file.
• change to getsockname to get local ip #7.
• swap recieve and send tab place in desktop app.
• update libnx

2.2.0

• Print title save file size in MB / KB in switch app.
• Allow exiting while waiting for pc to connect or waiting for pc to start server in switch app.
• Allow selecting device and BCAT as the user in switch app.
• When receiving saves, skip titles not installed in switch app #3.
• Allow using switch app after sending / receiving.
• Add secondary switch ip config in switch and desktop app #3.
• Add zip compression config in switch app.
• Add option to delete saved titles in desktop app.
• Add debug window in desktop app.
• Add pop up to keep or delete temp files in switch (deleted automatically in desktop app).
• Make copy and download buffer bigger to speed up the process in switch app.

v2.1.0

• Add selecting multiple or all titles in switch and desktop app #1.
• Add listing saved titles and add a new title in desktop app.
• Fix pushing from switch to pc titles with special or non ascii chars in the name #2.
• List only titles that have a save file for the selected user in switch app.

v2.0.0

• Add gui for pc app and make switch app gui a bit better.
• Fix save file commiting on switch app.
• Add changeable pc app themes.
• Remove option exit switch app while waiting for pc to start server or for pc to connect to switch.

v1.2.0

• add pushing new save file from pc to switch.
• options can be selected by keyboard arrows, make the terminal output more fancy in pc app.
• switch / pc ip can be set and changed both in pc and switch app.
• the user can now be changed by pressing ZL / ZR, no need for user selection pop up in switch app.
• while waiting for pc to start server or for pc to download zip file, process can be canceled.

v1.1.0

• Add switch app icon.
• Make switch app console output more fancy.
• Move config file to APPDATA.
• Turn python file into windows executable.

v1.0.0

• Initial release.

External links

• GitHub - https://github.com/Xc987/NX-Save-Sync
• Homebrew App Store - https://hb-app.store/switch/NXSaveSync