How to open Syncthing on MacBook

Hello everyone , I need your help . I download Syncthing , but I can’t open it on my Mackbook .Please , I need a real help

Please describe in details what you’ve done so far. Screenshots are always helpful as well.

Add :8384 to the end of the IP address and test again?

I tried through Google Chrome to open , but it does not word

On your Mac, please open a Terminal window and type ps -ef | grep syncthing. There should be three lines of output, two for the two Syncthing processes and one for the grep process you just spawned. If you don’t see Syncthing processes, that means Syncthing isn’t running.

If it is running, please type lsof | grep syncthing | grep LISTEN and share the results. This should show what ports Syncthing is listening on. If you see snapnetio in the output, that is port 22000, which is Syncthing’s standard listening port for data sync. If you see 8384, that’s Syncthing’s standard listening port for the Web GUI.

i have this one . What should I do ?

The gui appears to be listening on http://localhost:57243/. That’ll happen if there were more than one copy of Syncthing running when it first started, so it needed to find another random free port different from the default.

yes , I opened it with your link . I wanted to open through app and it does not work

Hi @Maks, i just hopping in the conversation. It seems you are also running Syncthing for macOS in the menu bar. As mentioned before keep in mind when running multiple (background) versions of syncthing the TCP port is randomly selected as mentioned already by calmh. You get an error on 127.0.0.1 (localhost networking) from the menubar app menu → open because it uses the port first discovered from the XML file in your hidden user ~/Library/Application Support/Syncthing folder. You should settle on a “user friendly” implementation of Syncthing with a GUI like the official Syncthing for macOS (which I am the main dev/maintainer). Running Syncthing from commandline is not recommended for non-power users. Just reset the syncthing-macos settings and start over:

Remove hidden preference cache defaults delete com.github.xor-gate.syncthing-macosx 2>/dev/null

Clear macOS preference cache killall cfprefsd

(from: syncthing system tray icon issue on macOS 26.4 · Issue #282 · syncthing/syncthing-macos · GitHub )

Good luck!

@Jerry Jacobs

thanks a lot .Yes it is working right now . Thanks a lot for your help :slight_smile: