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Revision as of 10:44, 23 November 2025 by HydeWing (talk | contribs) (Text replacement - "ForTheUsers - " to "Homebrew App Store - ")
NX Save Sync
General
AuthorXc987
TypeUtilities
Version2.2.0
LicenseMIT License
Last Updated2025/06/13
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

NXSaveSyncSwitch-01.png

NXSaveSyncSwitch-02.png

NXSaveSyncSwitch-03.png

NXSaveSyncSwitch-04.png

Changelog

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

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