diff --git a/completions/zsh/_ss-local b/completions/zsh/_ss-local
new file mode 100644
index 00000000..9b6e4d64
--- /dev/null
+++ b/completions/zsh/_ss-local
@@ -0,0 +1,31 @@
+#compdef ss-local
+
+local ciphers
+ciphers='(rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
+
+_arguments "-h::" \
+           "-s:server host:_hosts" \
+           "-p:server port:" \
+           "-l:local port:" \
+           "-k:password:" \
+           "-m:encrypt method:$ciphers" \
+           "-a:run as user:_users" \
+           "-f:pid file:_files" \
+           "-t:timeout:" \
+           "-c:configure file:_files" \
+           "-n:max number of open files:" \
+           "-i:bind interface:_net_interfaces" \
+           "-b:local address:(127.0.0.1 \:\:1 0.0.0.0 \:\:)" \
+           "-u:enable udp:" \
+           "-U:udp only:" \
+           "-v:verbose mode:" \
+           "--reuse-port::" \
+           "--fast-open::" \
+           "--acl:acl file:_files" \
+           "--mtu::" \
+           "--mptcp::" \
+           "--key:key in base64:" \
+           "--plugin:plugin name:" \
+           "--plugin-opts:plugin options:" \
+           "--help::"
+
diff --git a/completions/zsh/_ss-manager b/completions/zsh/_ss-manager
new file mode 100644
index 00000000..3e65f6c8
--- /dev/null
+++ b/completions/zsh/_ss-manager
@@ -0,0 +1,31 @@
+#compdef ss-manager
+
+local ciphers
+ciphers='(rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
+
+_arguments "-h::" \
+           "-s:server host:_hosts" \
+           "-p:server port:" \
+           "-l:local port:" \
+           "-k:password:" \
+           "-m:encrypt method:$ciphers" \
+           "-a:run as user:_users" \
+           "-f:pid file:_files" \
+           "-t:timeout:" \
+           "-c:configure file:_files" \
+           "-n:max number of open files:" \
+           "-i:bind interface:_net_interfaces" \
+           "-b:local address:(127.0.0.1 \:\:1 0.0.0.0 \:\:)" \
+           "-u:enable udp:" \
+           "-U:udp only:" \
+           "-v:verbose mode:" \
+           "--executable:path to ss-server:_files" \
+           "--manager-address:manager address:" \
+           "--reuse-port::" \
+           "--acl:acl file:_files" \
+           "--mtu::" \
+           "--key:key in base64:" \
+           "--plugin:plugin name:" \
+           "--plugin-opts:plugin options:" \
+           "--help::"
+
diff --git a/completions/zsh/_ss-redir b/completions/zsh/_ss-redir
new file mode 100644
index 00000000..117f8b2a
--- /dev/null
+++ b/completions/zsh/_ss-redir
@@ -0,0 +1,30 @@
+#compdef ss-redir
+
+local ciphers
+ciphers='(rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
+
+_arguments "-h::" \
+           "-s:server host:_hosts" \
+           "-p:server port:" \
+           "-l:local port:" \
+           "-k:password:" \
+           "-m:encrypt method:$ciphers" \
+           "-a:run as user:_users" \
+           "-f:pid file:_files" \
+           "-t:timeout:" \
+           "-c:configure file:_files" \
+           "-n:nofile:" \
+           "-b:local address:(127.0.0.1 \:\:1 0.0.0.0 \:\:)" \
+           "-u:enable udp:" \
+           "-U:udp only:" \
+           "-v:verbose mode:" \
+           "--reuse-port::" \
+           "--fast-open::" \
+           "--acl:acl file:_files" \
+           "--mtu::" \
+           "--mptcp::" \
+           "--key:key in base64:" \
+           "--plugin:plugin name:" \
+           "--plugin-opts:plugin options:" \
+           "--help::"
+
diff --git a/completions/zsh/_ss-server b/completions/zsh/_ss-server
new file mode 100644
index 00000000..030165fd
--- /dev/null
+++ b/completions/zsh/_ss-server
@@ -0,0 +1,34 @@
+#compdef ss-server
+
+local ciphers
+ciphers='(rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
+
+_arguments "-h::" \
+           "-s:server host:_hosts" \
+           "-p:server port:" \
+           "-l:local port:" \
+           "-k:password:" \
+           "-m:encrypt method:$ciphers" \
+           "-a:run as user:_users" \
+           "-f:pid file:_files" \
+           "-t:timeout:" \
+           "-c:configure file:_files" \
+           "-n:max number of open files:" \
+           "-i:bind interface:_net_interfaces" \
+           "-b:local address:(127.0.0.1 \:\:1 0.0.0.0 \:\:)" \
+           "-u:enable udp:" \
+           "-U:udp only:" \
+           "-v:verbose mode:" \
+           "-6:ipv6 first:" \
+           "-d:nameserver for internal dns:" \
+           "--manager-address:manager address:" \
+           "--reuse-port::" \
+           "--fast-open::" \
+           "--acl:acl file:_files" \
+           "--mtu::" \
+           "--mptcp::" \
+           "--key:key in base64:" \
+           "--plugin:plugin name:" \
+           "--plugin-opts:plugin options:" \
+           "--help::"
+
diff --git a/completions/zsh/_ss-tunnel b/completions/zsh/_ss-tunnel
new file mode 100644
index 00000000..5a269900
--- /dev/null
+++ b/completions/zsh/_ss-tunnel
@@ -0,0 +1,30 @@
+#compdef ss-tunnel
+
+local ciphers
+ciphers='(rc4-md5 aes-128-gcm aes-192-gcm aes-256-gcm aes-128-cfb aes-192-cfb aes-256-cfb aes-128-ctr aes-192-ctr aes-256-ctr camellia-128-cfb camellia-192-cfb camellia-256-cfb bf-cfb chacha20-ietf-poly1305 salsa20 chacha20 chacha20-ietf)'
+
+_arguments "-h::" \
+           "-s:server host:_hosts" \
+           "-p:server port:" \
+           "-l:local port:" \
+           "-k:password:" \
+           "-m:encrypt method:$ciphers" \
+           "-a:run as user:_users" \
+           "-f:pid file:_files" \
+           "-t:timeout:" \
+           "-c:configure file:_files" \
+           "-n:nofile:" \
+           "-i:bind interface:_net_interfaces" \
+           "-b:local address:(127.0.0.1 \:\:1 0.0.0.0 \:\:)" \
+           "-u:enable udp:" \
+           "-U:udp only:" \
+           "-v:verbose mode:" \
+           "-L:destination server address and port:" \
+           "--reuse-port::" \
+           "--acl:acl file:_files" \
+           "--mtu::" \
+           "--key:key in base64:" \
+           "--plugin:plugin name:" \
+           "--plugin-opts:plugin options:" \
+           "--help::"
+