diff --git a/src/_locales/ca/messages.json b/src/_locales/ca/messages.json
index 65a5cdd..482d022 100644
--- a/src/_locales/ca/messages.json
+++ b/src/_locales/ca/messages.json
@@ -83,6 +83,10 @@
     "message": "Permet arrossegar adreces d'interès a l'editor de text de la Consola de la Comunitat.",
     "description": "Feature checkbox in the options page"
   },
+  "options_batchlock": {
+    "message": "Afegeix l'opció per bloquejar diversos fils a la llista de fils de la Consola de la Comunitat.",
+    "description": "Feature checkbox in the options page"
+  },
   "options_profileindicator_header": {
     "message": "Punt indicador",
     "description": "Heading for the profile indicator feature options"
@@ -154,5 +158,53 @@
   "inject_extension_badge_helper": {
     "message": "Afegit per $1",
     "description": "Tooltip for the extension badge, which appears next to components injected by the extension."
+  },
+  "inject_lockbtn": {
+    "message": "Bloquejar/desbloquejar fils",
+    "description": "Tooltip of the 'lock/unlock threads' icon shown when selecting multiple threads in the Community Console. Also the title for the dialog shown after clicking this icon."
+  },
+  "inject_lockdialog_desc": {
+    "message": "Sisplau, confirma l'acció que volies prendre fent clic al botó corresponent d'aquí avall. Tingues en compte que aquesta acció es prendrà sobre tots els fils que hagis seleccionat.",
+    "description": "Text in the 'lock/unlock threads' dialog, which asks the user for confirmation."
+  },
+  "inject_lockdialog_btn_lock": {
+    "message": "Bloqueja",
+    "description": "Button in the 'lock/unlock threads' dialog."
+  },
+  "inject_lockdialog_btn_unlock": {
+    "message": "Desbloqueja",
+    "description": "Button in the 'lock/unlock threads' dialog."
+  },
+  "inject_lockdialog_btn_cancel": {
+    "message": "Cancel·la",
+    "description": "Button in the 'lock/unlock threads' dialog."
+  },
+  "inject_lockdialog_btn_reload": {
+    "message": "Torna a carregar",
+    "description": "Button in the 'lock/unlock threads' dialog."
+  },
+  "inject_lockdialog_btn_close": {
+    "message": "Tanca",
+    "description": "Button in the 'lock/unlock threads' dialog."
+  },
+  "inject_lockdialog_log_entry_beginning": {
+    "message": "Fil $1",
+    "description": "First part of the entry in the log of the 'lock/unlock threads' dialog. Log entries are of the form '{first_part}: {second_part}'. For example: 'Thread 164: Locked successfully'."
+  },
+  "inject_lockdialog_log_entry_success_lock": {
+    "message": "Bloquejat correctament.",
+    "description": "Second part of the entry in the log of the 'lock/unlock threads' dialog, when the log entry states that the thread was locked successfully. Log entries are of the form '{first_part}: {second_part}'. For example: 'Thread 164: Locked successfully'."
+  },
+  "inject_lockdialog_log_entry_error_lock": {
+    "message": "Hi ha hagut un error bloquejant-lo ($1).",
+    "description": "Second part of the entry in the log of the 'lock/unlock threads' dialog, when the log entry states that the thread was *not* locked successfully. Log entries are of the form '{first_part}: {second_part}'. For example: 'Thread 164: Locked successfully'."
+  },
+  "inject_lockdialog_log_entry_success_unlock": {
+    "message": "Desbloquejat correctament.",
+    "description": "Second part of the entry in the log of the 'lock/unlock threads' dialog, when the log entry states that the thread was *un*locked successfully. Log entries are of the form '{first_part}: {second_part}'. For example: 'Thread 164: Locked successfully'."
+  },
+  "inject_lockdialog_log_entry_error_unlock": {
+    "message": "Hi ha hagut un error desbloquejant-lo ($1).",
+    "description": "Second part of the entry in the log of the 'lock/unlock threads' dialog, when the log entry states that the thread was *not* *un*locked successfully. Log entries are of the form '{first_part}: {second_part}'. For example: 'Thread 164: Locked successfully'."
   }
 }
diff --git a/src/_locales/en/messages.json b/src/_locales/en/messages.json
index 5800cf9..ab740c1 100644
--- a/src/_locales/en/messages.json
+++ b/src/_locales/en/messages.json
@@ -87,6 +87,10 @@
     "message": "Allow to drag and drop bookmarks to the Community Console text editor.",
     "description": "Feature checkbox in the options page"
   },
+  "options_batchlock": {
+    "message": "Add the option to lock multiple threads from the Community Console thread list.",
+    "description": "Feature checkbox in the options page"
+  },
   "options_profileindicator_header": {
     "message": "Indicator dot",
     "description": "Heading for the profile indicator feature options"
@@ -154,5 +158,53 @@
   "inject_extension_badge_helper": {
     "message": "Added by $1",
     "description": "Tooltip for the extension badge, which appears next to components injected by the extension."
+  },
+  "inject_lockbtn": {
+    "message": "Lock/unlock threads",
+    "description": "Tooltip of the 'lock/unlock threads' icon shown when selecting multiple threads in the Community Console. Also the title for the dialog shown after clicking this icon."
+  },
+  "inject_lockdialog_desc": {
+    "message": "Please, confirm the action you want to take by clicking the appropriate button below. Keep in mind this action will be performed in all the threads you have selected.",
+    "description": "Text in the 'lock/unlock threads' dialog, which asks the user for confirmation."
+  },
+  "inject_lockdialog_btn_lock": {
+    "message": "Lock",
+    "description": "Button in the 'lock/unlock threads' dialog."
+  },
+  "inject_lockdialog_btn_unlock": {
+    "message": "Unlock",
+    "description": "Button in the 'lock/unlock threads' dialog."
+  },
+  "inject_lockdialog_btn_cancel": {
+    "message": "Cancel",
+    "description": "Button in the 'lock/unlock threads' dialog."
+  },
+  "inject_lockdialog_btn_reload": {
+    "message": "Reload",
+    "description": "Button in the 'lock/unlock threads' dialog."
+  },
+  "inject_lockdialog_btn_close": {
+    "message": "Close",
+    "description": "Button in the 'lock/unlock threads' dialog."
+  },
+  "inject_lockdialog_log_entry_beginning": {
+    "message": "Thread $1",
+    "description": "First part of the entry in the log of the 'lock/unlock threads' dialog. Log entries are of the form '{first_part}: {second_part}'. For example: 'Thread 164: Locked successfully'."
+  },
+  "inject_lockdialog_log_entry_success_lock": {
+    "message": "Locked successfully.",
+    "description": "Second part of the entry in the log of the 'lock/unlock threads' dialog, when the log entry states that the thread was locked successfully. Log entries are of the form '{first_part}: {second_part}'. For example: 'Thread 164: Locked successfully'."
+  },
+  "inject_lockdialog_log_entry_error_lock": {
+    "message": "An error occurred while locking ($1).",
+    "description": "Second part of the entry in the log of the 'lock/unlock threads' dialog, when the log entry states that the thread was *not* locked successfully. Log entries are of the form '{first_part}: {second_part}'. For example: 'Thread 164: Locked successfully'."
+  },
+  "inject_lockdialog_log_entry_success_unlock": {
+    "message": "Unlocked successfully.",
+    "description": "Second part of the entry in the log of the 'lock/unlock threads' dialog, when the log entry states that the thread was *un*locked successfully. Log entries are of the form '{first_part}: {second_part}'. For example: 'Thread 164: Locked successfully'."
+  },
+  "inject_lockdialog_log_entry_error_unlock": {
+    "message": "An error occurred while unlocking ($1).",
+    "description": "Second part of the entry in the log of the 'lock/unlock threads' dialog, when the log entry states that the thread was *not* *un*locked successfully. Log entries are of the form '{first_part}: {second_part}'. For example: 'Thread 164: Locked successfully'."
   }
 }
diff --git a/src/_locales/es/messages.json b/src/_locales/es/messages.json
index cce5f74..a0e97bf 100644
--- a/src/_locales/es/messages.json
+++ b/src/_locales/es/messages.json
@@ -83,6 +83,10 @@
     "message": "Permite arrastrar marcadores al editor de texto de la Consola de la Comunidad.",
     "description": "Feature checkbox in the options page"
   },
+  "options_batchlock": {
+    "message": "Añade la opción para bloquear varios hilos en la lista de hilos de la Consola de la Comunidad.",
+    "description": "Feature checkbox in the options page"
+  },
   "options_profileindicator_header": {
     "message": "Punto indicador",
     "description": "Heading for the profile indicator feature options"
@@ -154,5 +158,53 @@
   "inject_extension_badge_helper": {
     "message": "Añadido por $1",
     "description": "Tooltip for the extension badge, which appears next to components injected by the extension."
+  },
+  "inject_lockbtn": {
+    "message": "Bloquear/desbloquear hilos",
+    "description": "Tooltip of the 'lock/unlock threads' icon shown when selecting multiple threads in the Community Console. Also the title for the dialog shown after clicking this icon."
+  },
+  "inject_lockdialog_desc": {
+    "message": "Por favor, confirma la acción que quieres tomar haciendo clic en el botón correspondiente aquí debajo. Ten en cuenta que esta acción se tomará sobre todos los hilos que hayas seleccionado.",
+    "description": "Text in the 'lock/unlock threads' dialog, which asks the user for confirmation."
+  },
+  "inject_lockdialog_btn_lock": {
+    "message": "Bloquear",
+    "description": "Button in the 'lock/unlock threads' dialog."
+  },
+  "inject_lockdialog_btn_unlock": {
+    "message": "Desbloquear",
+    "description": "Button in the 'lock/unlock threads' dialog."
+  },
+  "inject_lockdialog_btn_cancel": {
+    "message": "Cancelar",
+    "description": "Button in the 'lock/unlock threads' dialog."
+  },
+  "inject_lockdialog_btn_reload": {
+    "message": "Recargar",
+    "description": "Button in the 'lock/unlock threads' dialog."
+  },
+  "inject_lockdialog_btn_close": {
+    "message": "Cerrar",
+    "description": "Button in the 'lock/unlock threads' dialog."
+  },
+  "inject_lockdialog_log_entry_beginning": {
+    "message": "Hilo $1",
+    "description": "First part of the entry in the log of the 'lock/unlock threads' dialog. Log entries are of the form '{first_part}: {second_part}'. For example: 'Thread 164: Locked successfully'."
+  },
+  "inject_lockdialog_log_entry_success_lock": {
+    "message": "Bloqueado correctamente.",
+    "description": "Second part of the entry in the log of the 'lock/unlock threads' dialog, when the log entry states that the thread was locked successfully. Log entries are of the form '{first_part}: {second_part}'. For example: 'Thread 164: Locked successfully'."
+  },
+  "inject_lockdialog_log_entry_error_lock": {
+    "message": "Ha ocurrido un error bloqueándolo ($1).",
+    "description": "Second part of the entry in the log of the 'lock/unlock threads' dialog, when the log entry states that the thread was *not* locked successfully. Log entries are of the form '{first_part}: {second_part}'. For example: 'Thread 164: Locked successfully'."
+  },
+  "inject_lockdialog_log_entry_success_unlock": {
+    "message": "Desbloqueado correctamente.",
+    "description": "Second part of the entry in the log of the 'lock/unlock threads' dialog, when the log entry states that the thread was *un*locked successfully. Log entries are of the form '{first_part}: {second_part}'. For example: 'Thread 164: Locked successfully'."
+  },
+  "inject_lockdialog_log_entry_error_unlock": {
+    "message": "Ha ocurrido un error desbloqueándolo ($1).",
+    "description": "Second part of the entry in the log of the 'lock/unlock threads' dialog, when the log entry states that the thread was *not* *un*locked successfully. Log entries are of the form '{first_part}: {second_part}'. For example: 'Thread 164: Locked successfully'."
   }
 }