diff --git a/install_files/ansible-base/roles/tails-config/tasks/install_shell_extension.yml b/install_files/ansible-base/roles/tails-config/tasks/install_shell_extension.yml
index e592b331170..ec352caf3cd 100644
--- a/install_files/ansible-base/roles/tails-config/tasks/install_shell_extension.yml
+++ b/install_files/ansible-base/roles/tails-config/tasks/install_shell_extension.yml
@@ -157,6 +157,16 @@
     - "{{ _securedrop_extension_info }}"
     - "{{ tails_config_extension_directories }}"
 
+- name: Add extension translations in Persistent Storage
+  synchronize:
+    src: "{{ tails_config_amnesia_persistent }}/securedrop/securedrop/translations/"
+    dest: "{{ tails_config_live_dotfiles }}/.local/share/gnome-shell/extensions/securedrop@securedrop.freedom.press/po/"
+
+- name: Add extension translations in the running system
+  synchronize:
+    src: "{{ tails_config_amnesia_persistent }}/securedrop/securedrop/translations/"
+    dest: "/home/amnesia/.local/share/gnome-shell/extensions/securedrop@securedrop.freedom.press/po/"
+
 - name: Enable the new GNOME Shell extension
   become: no
   command: gnome-extensions enable securedrop@securedrop.freedom.press
diff --git a/securedrop/babel.cfg b/securedrop/babel.cfg
index 52ae100b04a..061374b5b65 100644
--- a/securedrop/babel.cfg
+++ b/securedrop/babel.cfg
@@ -10,3 +10,6 @@ silent=False
 [jinja2: */*.html]
 silent=False
 extensions=jinja2.ext.autoescape,jinja2.ext.with_,jinja2.ext.do
+
+[javascript: **.js.in]
+extract_messages = $._, jQuery._
diff --git a/securedrop/i18n_tool.py b/securedrop/i18n_tool.py
index e8bbb631fc6..09b0fe5db47 100755
--- a/securedrop/i18n_tool.py
+++ b/securedrop/i18n_tool.py
@@ -27,6 +27,7 @@
 LOCALE_DIR = {
     "securedrop": "securedrop/translations",
     "desktop": "install_files/ansible-base/roles/tails-config/templates",
+    "extension": "install_files/ansible-base/roles/tails-config/templates",
 }
 
 
@@ -236,7 +237,8 @@ def set_translate_messages_parser(self, subps: _SubParsersAction) -> None:
             "translate-messages", help=("Update and compile " "source and template translations")
         )
         translations_dir = join(dirname(realpath(__file__)), "translations")
-        sources = ".,source_templates,journalist_templates"
+        extension_location = join(dirname(realpath(__file__)), "..", LOCALE_DIR["extension"])
+        sources = join(".,source_templates,journalist_templates,",extension_location)
         self.set_translate_parser(parser, translations_dir, sources)
         mapping = "babel.cfg"
         parser.add_argument(