diff --git a/locales/es-ES/browser/browser/zen-general.ftl b/locales/es-ES/browser/browser/zen-general.ftl
index 19aa9d9ee..7adddfa2b 100644
--- a/locales/es-ES/browser/browser/zen-general.ftl
+++ b/locales/es-ES/browser/browser/zen-general.ftl
@@ -37,6 +37,8 @@ zen-library-sidebar-workspaces =
     .label = Espacios
 zen-library-sidebar-mods = 
     .label = Mods
+zen-toggle-compact-mode-button = 
+    .tooltiptext = Alternar modo compacto
 
 # note: Do not translate the "<br/>" tags in the following string
 
@@ -49,3 +51,21 @@ zen-icons-picker-emoji =
 zen-icons-picker-svg = 
     .label = Iconos
 urlbar-search-mode-zen_actions = Actions
+zen-site-data-settings = Ajustes
+zen-generic-manage = Administrar
+zen-generic-more = Más
+# These labels will be used for the site data panel settings
+zen-site-data-setting-allow = Permitido
+zen-site-data-setting-block = Bloqueado
+zen-site-data-security-info-extension = 
+    .label = Extensión
+zen-site-data-security-info-secure = 
+    .label = Seguro
+zen-site-data-security-info-not-secure = 
+    .label = No seguro
+zen-site-data-manage-addons = 
+    .label = Administrar extensiones
+zen-site-data-get-addons = 
+    .label = Añadir extensión
+zen-site-data-site-settings = 
+    .label = Todas las configuraciones del sitio