SYNCTHING(1) Syncthing SYNCTHING(1) (NAME) syncthing - Syncthing (SYNOPSIS) syncthing [serve] [--home= | --config= --data=] [--allow-newer-config] [--audit] [--auditfile=] [--db-maintenance-interval=] [--db-delete-retention-interval=] [--gui-address=
] [--gui-apikey=] [--log-level=] [--log-file=] [--log-max-old-files=] [--log-max-size=] [--log-format-timestamp=] [--no-log-format-level-string] [--log-format-level-syslog] [--no-browser] [--no-console] [--no-port-probing] [--no-restart] [--no-upgrade] [--paused] [--unpaused] [--version] [--help] [--debug-*] syncthing cli [--home= | --config= --data=] [--gui-address=
] [--gui-apikey=] [--help] [command options...] [arguments...] syncthing browser [--home= | --config= --data=] [--help] syncthing decrypt (--to= | --verify-only) [--home= | --config= --data=] [--password=] [--folder-id=] [--token-path=] [--continue] [--verbose] [--help] syncthing device-id [--home= | --config= --data=] [--help] syncthing generate [--home= | --config= --data=] [--gui-user=] [--gui-password=] [--no-port-probing] [--help] syncthing paths [--home= | --config= --data=] [--help] syncthing upgrade [--home= | --config= --data=] [--check-only] [--from=] [--help] syncthing version [--home= | --config= --data=] [--help] syncthing debug [--home= | --config= --data=] [--help] (DESCRIPTION) Syncthing . . . Syncthing . syncthing . HTML JavaScript . API HTTP . API () . (COMMON OPTIONS) --home=, -H ($STHOMEDIR) . $XDG_STATE_HOME/syncthing $HOME/.local/state/syncthing ( ) $HOME/Library/Application Support/Syncthing ( ) %LOCALAPPDATA%\Syncthing ( ). --config=, -C ($STCONFDIR) . --home --data . --data=, -D ($STDATADIR) ( ). --home --config . --help, -h . . (SERVE OPTIONS) --allow-newer-config ($STALLOWNEWERCONFIG) . --audit ($STAUDIT) audit-YYYYMMDD-HHMMSS.log. --auditfile= ($STAUDITFILE) ("-" stdout "--" stderr) . --db-maintenance-interval= ($STDBMAINTENANCEINTERVAL) - . Go (https://pkg.go.dev/time#ParseDuration ). --db-delete-retention-interval= ($STDBDELETERETENTIONINTERVAL) - . Go . --gui-address=
($STGUIADDRESS) . (0.0.0.0:8384) URL (http://0.0.0.0:8384) . http HTTP https HTTP TLS unix unixs TLS . --gui-apikey= ($STGUIAPIKEY) API / REST API. --log-file= ($STLOGFILE) ( "-" stdout ). --log-level= ($STLOGLEVEL) . DEBUG INFO WARN ERROR. --log-max-old-files= ($STLOGMAXOLDFILES) ( ). --log-max-size . --log-max-size= ($STLOGMAXSIZE) ( ). --log-format-timestamp= ($STLOGFORMATTIMESTAMP) . Go . --[no-]log-format-level-string ($STLOGFORMATLEVELSTRING) ( "INF") . --[no-]log-format-level-syslog ($STLOGFORMATLEVELSYSLOG) syslog ( "<6>") . --no-browser ($STNOBROWSER) . --no-console ($STNOCONSOLE) ( ). --no-port-probing ($STNOPORTPROBING) GUI . --no-restart ($STNORESTART) Syncthing . . --no-upgrade ($STNOUPGRADE) . --paused ($STPAUSED) (paused). --unpaused ($STUNPAUSED) (unpaused). --version . --debug-* . syncthing serve --help . (DECRYPT OPTIONS) --to= . --verify-only ( ). --password= ($FOLDER_PASSWORD) / . FOLDER_PASSWORD . --folder-id= . --token-path= ( ). --continue . (GENERATE OPTIONS) --gui-password= . (-) . bcrypt . . --gui-user= . (UPGRADE OPTIONS) --check-only . --from= Syncthing URL . (EXIT CODES) 0 / (Success / Shutdown) 1 (Error) 2 (Upgrade not available) 3 (Restarting) 4 (Upgrading) 125 / . 128+N . : 128 + 9 (SIGKILL) = 137. (SUBCOMMANDS) . serve . generate . GUI REST API . . . decrypt () . Syncthing . REST API cli HTTP API . : config REST API (get) (set) . show . REST API JSON . operations . errors (clear) . debug . - ( ) syncthing cli. debug . Syncthing : debug reset-database . Syncthing . debug database-statistics . debug database-counts . debug database-file . (PROXIES) Syncthing SOCKS HTTP HTTPS . . ALL_PROXY all_proxy : $ export ALL_PROXY=socks://192.0.2.42:8081 (DEVELOPMENT SETTINGS) Syncthing : STTRACE Go . : api,beacon. STLOCKTHRESHOLD . STVERSIONEXTRA GUI. GOMAXPROCS . . GOGC (GC) . 100 . LOGGER_DISCARD (benchmarks). (SEE ALSO) syncthing-config(5), syncthing-stignore(5), syncthing-device-ids(7), syncthing-security(7), syncthing-networking(7), syncthing-versioning(7), syncthing-faq(7) (AUTHOR) Syncthing (COPYRIGHT) 2014-2026, The Syncthing Authors v2.1.0 July 23, 2026 SYNCTHING(1)