diff --git a/en-US/preferences/zen-preferences.ftl b/en-US/preferences/zen-preferences.ftl
new file mode 100644
index 000000000..2772d4a9d
--- /dev/null
+++ b/en-US/preferences/zen-preferences.ftl
@@ -0,0 +1,161 @@
+
+pane-zen-looks-title = Look and Feel
+category-zen-looks =
+    .tooltiptext = { pane-zen-looks-title }
+
+zen-warning-language = Changing the default language could make it easier for Websites to track you.
+
+zen-look-and-feel-colors-header = Pick a theme colour
+zen-look-and-feel-colors-description = Make { -brand-short-name } look and feel the way you like
+zen-look-and-feel-themed-toolbar = 
+    .label = Make the toolbar themed with the accent color
+
+pane-zen-side-panels-title = Side Web Panels
+zen-side-panels-header = General settings for web panels
+zen-side-panels-description = Increase productivity by having multiple views at once!
+zen-side-panels-enabled = 
+    .label = Enable Web Side Panels
+
+zen-side-panels-close-on-blur = 
+    .label = Close the panel when it loses focus if it's not pinned
+
+zen-look-and-feel-compact-view-header = Show in compact view
+zen-look-and-feel-compact-view-description = Only show the toolbars you use!
+zen-look-and-feel-compact-view-enabled = 
+    .label = Enable { -brand-short-name }'s compact mode
+
+zen-look-and-feel-compact-view-top-toolbar = 
+    .label = Hide the top toolbar as well in compact mode
+
+zen-look-and-feel-buttons-header = Button style
+zen-look-and-feel-buttons-description = Choose the style of buttons you want to see
+
+zen-look-and-feel-pilled-buttons = 
+    .label = Pilled Buttons
+
+pane-zen-workspaces-title = Workspaces
+category-zen-workspaces =
+    .tooltiptext = { pane-workspaces-title }
+pane-settings-workspaces-title = Workspaces
+
+pane-zen-workspaces-header = Workspaces
+zen-settings-workspaces-header = General settings for workspaces
+zen-settings-workspaces-description = With workspaces, you can have multiple browsing sessions at once!
+zen-settings-workspaces-enabled = 
+    .label = Enable Workspaces (Experimental)
+
+pane-zen-theme-title = Theme Settings
+
+zen-vertical-tabs-title = Sidebar and tabs layout
+zen-vertical-tabs-header = Vertical Tabs
+zen-vertical-tabs-description = Manage your tabs in a vertical layout
+zen-vertical-tabs-show-expand-button = 
+    .label = Show Expand Button
+
+zen-vertical-tabs-expand-tabs-by-default = Expand Tabs by Default
+zen-vertical-tabs-dont-expand-tabs-by-default = Don't Expand Tabs by Default
+zen-vertical-tabs-expand-tabs-on-hover = Expand Tabs on Hover (Wont work on compact mode)
+
+zen-vertical-tabs-expand-tabs-header = How to expand tabs
+zen-vertical-tabs-expand-tabs-description = Choose how to expand tabs in the sidebar
+
+zen-theme-marketplace-header = Theme Store
+zen-theme-marketplace-description = Find and install themes from the store.
+zen-theme-marketplace-remove-button = 
+    .label = Remove Theme
+
+zen-theme-marketplace-link = Visit Store
+
+pane-zen-CKS-title = Keyboard Shortcuts
+category-zen-CKS =
+    .tooltiptext = { pane-zen-CKS-title }
+pane-settings-CKS-title = { -brand-short-name } Keyboard Shortcuts
+
+zen-settings-CKS-header = Customize your keyboard shortcuts
+zen-settings-CKS-description = Change the default keyboard shortcuts to your liking and improve your browsing experience
+
+zen-settings-CKS-disable-firefox = 
+    .label = Disable { -brand-short-name }'s default keyboard shortcuts
+
+zen-cks-group-tab-action = Tab Actions
+zen-cks-group-page-action = Page Actions
+zen-cks-group-visible-action = Visible Actions
+zen-cks-group-history-action = History Actions
+zen-cks-group-search-action = Search Actions
+zen-cks-group-tools-action = Tools Actions
+zen-cks-group-bookmark-action = Bookmark Actions
+zen-cks-group-open-page-action = Open Page Actions
+zen-cks-group-downloads-action = Downloads Actions
+zen-cks-group-sidebar-action = Sidebar Actions
+zen-cks-group-compact-mode-action = Compact Mode Actions
+zen-cks-group-split-view-action = Split View Actions
+zen-cks-group-workspace-action = Workspace Actions
+
+open-new-tab = Open New Tab
+close-tab = Close Tab
+open-new-window = Open New Window
+open-new-private-window = Open New Private Window
+close-window = Close Window
+restore-last-tab = Restore Last Tab
+restore-last-window = Restore Last Window
+show-next-tab = Show Next Tab
+show-previous-tab = Show Previous Tab
+show-all-tabs-panel = Show All Tabs Panel
+send-with-mail = Send Page with Mail
+save-page = Save Page
+print-page = Print Page
+mute-current-tab = Mute Current Tab
+show-source-of-page = Show Source of Page
+show-page-info = Show Page Info
+zoom-in = Zoom In
+zoom-out = Zoom Out
+reset-zoom = Reset Zoom
+back = Back
+forward = Forward
+stop = Stop
+reload = Reload
+force-reload = Force Reload
+search-in-this-page = Search in This Page
+show-next-search-result = Show Next Search Result
+show-previous-search-result = Show Previous Search Result
+search-the-web = Search the Web
+open-migration-wizard = Open Migration Wizard
+quit-from-application = Quit Application
+enter-into-customize-mode = Enter Customize Mode
+enter-into-offline-mode = Enter Offline Mode
+open-screen-capture = Open Screen Capture
+bookmark-this-page = Bookmark This Page
+open-bookmark-add-tool = Open Bookmark Add Tool
+open-bookmarks-manager = Open Bookmarks Manager
+toggle-bookmark-toolbar = Toggle Bookmark Toolbar
+open-general-preferences = Open General Preferences
+open-privacy-preferences = Open Privacy Preferences
+open-workspaces-preferences = Open Workspaces Preferences
+open-containers-preferences = Open Containers Preferences
+open-search-preferences = Open Search Preferences
+open-sync-preferences = Open Sync Preferences
+open-task-manager = Open Task Manager
+open-addons-manager = Open Add-ons Manager
+open-home-page = Open Home Page
+forget-history = Forget History
+quick-forget-history = Quick Forget History
+clear-recent-history = Clear Recent History
+restore-last-session = Restore Last Session
+search-history = Search History
+manage-history = Manage History
+open-downloads = Open Downloads
+show-bookmark-sidebar = Show Bookmark Sidebar
+show-history-sidebar = Show History Sidebar
+show-synced-tabs-sidebar = Show Synced Tabs Sidebar
+reverse-sidebar = Reverse Sidebar Position
+hide-sidebar = Hide Sidebar
+toggle-sidebar = Toggle Sidebar
+zen-toggle-web-panels = Toggle Web Panels
+zen-toggle-compact-mode = Toggle Compact Mode
+zen-toggle-compact-mode-sidebar = Toggle Compact Mode Sidebar
+zen-toggle-compact-mode-toolbar = Toggle Compact Mode Toolbar
+zen-change-workspace = Cycle Workspaces
+zen-split-view-grid = Split View Grid
+zen-split-view-vertical = Split View Vertical
+zen-split-view-horizontal = Split View Horizontal
+zen-split-view-close = Close Split View
\ No newline at end of file
diff --git a/en-US/zen-general.ftl b/en-US/zen-general.ftl
new file mode 100644
index 000000000..92fffd31c
--- /dev/null
+++ b/en-US/zen-general.ftl
@@ -0,0 +1,5 @@
+
+zen-panel-ui-current-profile-text = current profile
+
+unified-extensions-description = Extensions are used to bring more extra functionality into { -brand-short-name }. 
+
diff --git a/en-US/zen-split-view.ftl b/en-US/zen-split-view.ftl
new file mode 100644
index 000000000..ab39b7cb3
--- /dev/null
+++ b/en-US/zen-split-view.ftl
@@ -0,0 +1,12 @@
+
+tab-zen-split-tabs =
+    .label =
+        { $tabCount ->
+            [1] Split Tab (multiple selected tabs needed)
+           *[other] Split { $tabCount } Tabs
+        }
+    .accesskey = S
+
+zen-split-link =
+    .label = Split link to new tab
+    .accesskey = S
diff --git a/en-US/zen-vertical-tabs.ftl b/en-US/zen-vertical-tabs.ftl
new file mode 100644
index 000000000..cdb3a22c5
--- /dev/null
+++ b/en-US/zen-vertical-tabs.ftl
@@ -0,0 +1,10 @@
+
+zen-toolbar-context-tabs-right =
+    .label = Tabs on the right
+    .accesskey = R
+
+sidebar-zen-sidepanel =
+  .label = Side Panels
+sidebar-zen-expand =
+  .label = Expand Sidebar
+  
\ No newline at end of file
diff --git a/en-US/zen-web-side-panels.ftl b/en-US/zen-web-side-panels.ftl
new file mode 100644
index 000000000..b624c9eea
--- /dev/null
+++ b/en-US/zen-web-side-panels.ftl
@@ -0,0 +1,31 @@
+zen-web-side-panel-context-mute-panel =
+    .label = Mute Web Panel
+    .accesskey = M
+zen-web-side-panel-context-unmute-panel =
+    .label = Unmute Web Panel
+    .accesskey = m
+
+zen-web-side-panel-context-disable-ua =
+    .label = Disable Mobile UserAgent
+    .accesskey = U
+zen-web-side-panel-context-enable-ua =
+    .label = Enable Mobile UserAgent
+    .accesskey = M
+
+zen-web-side-panel-context-unload =
+    .label = Unload Web Panel
+    .accesskey = W
+zen-web-side-panel-context-delete =
+    .label = Delete Web Panel
+    .accesskey = D
+zen-web-side-panel-open-in-new-tab =
+    .label = Open in New Tab
+    .accesskey = N
+
+
+zen-web-side-panel-context-add-to-panel =
+    .label = Add to Web Panels
+    .accesskey = A
+
+zen-sidebar-introduction-title = Welcome to Zen Sidebar
+zen-sidebar-introduction-description = Zen Sidebar is a new way to browse the web. Click on any of the icons to open a web panel.
diff --git a/en-US/zen-welcome.ftl b/en-US/zen-welcome.ftl
new file mode 100644
index 000000000..0d7d5aa59
--- /dev/null
+++ b/en-US/zen-welcome.ftl
@@ -0,0 +1,26 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+welcome-dialog-welcome = 👋 Welcome to { -brand-short-name }
+welcome-dialog-welcome-subtext = Fast. Beautiful. Private.
+welcome-dialog-get-started = Get started
+
+welcome-dialog-import = 😍 Bring your favourites to { -brand-short-name }
+welcome-dialog-import-subtext = Pick up where you left off in your last browser
+welcome-dialog-import-action = Import your data
+
+welcome-dialog-theme = Make yourself at home
+welcome-dialog-theme-subtext = Personalize your experience with your favorite look!
+
+welcome-dialog-theme-header-1 = Choose your perfect color
+welcome-dialog-theme-header-2 = Choose your theme
+
+welcome-dialog-search = 🔍 Choose a search engine
+welcome-dialog-search-subtext = Select your preferred search engine to tailor your browsing experience!
+
+welcome-dialog-thanks = Thank You So Much! ❤️
+welcome-dialog-thanks-subtext = Your appreciation means the world to us!
+
+welcome-dialog-back-action = Back
+welcome-dialog-next-action = Next
diff --git a/en-US/zen-workspaces.ftl b/en-US/zen-workspaces.ftl
new file mode 100644
index 000000000..04e13ff17
--- /dev/null
+++ b/en-US/zen-workspaces.ftl
@@ -0,0 +1,29 @@
+
+zen-panel-ui-current-window-text = Current Window
+
+zen-panel-ui-workspaces-text = Other Workspaces
+
+zen-panel-ui-workspaces-create-text = Create Workspace
+
+zen-panel-ui-workspaces-create-save =
+  .label = Create Workspace
+  .accesskey = S
+zen-panel-ui-workspaces-create-cancel =
+  .label = Cancel
+  .accesskey = C
+
+zen-workspaces-panel-context-delete = 
+    .label = Delete Workspace
+    .accesskey = D
+
+zen-workspaces-panel-context-open = 
+    .label = Open Workspace
+    .accesskey = O
+
+zen-workspaces-panel-context-set-default =
+    .label = Set As Default Workspace
+    .accesskey = S
+
+context-zen-change-workspace-tab = 
+    .label = Change Tab(s) To Workspace
+    .accesskey = C
diff --git a/en-US/zenAppExtensionFields.ftl b/en-US/zenAppExtensionFields.ftl
new file mode 100644
index 000000000..7fad400e8
--- /dev/null
+++ b/en-US/zenAppExtensionFields.ftl
@@ -0,0 +1,6 @@
+
+extension-firefox-compact-galaxy-name=Zen Galaxy
+extension-firefox-compact-galaxy-description=A theme with a dark color scheme and a nice galaxy touch!
+
+extension-firefox-compact-dream-name=Zen Dream
+extension-firefox-compact-dream-description=A theme with a light color scheme and a nice dream-y touch!
diff --git a/en-US/zenNewWebPanel.ftl b/en-US/zenNewWebPanel.ftl
new file mode 100644
index 000000000..bb4c21dc3
--- /dev/null
+++ b/en-US/zenNewWebPanel.ftl
@@ -0,0 +1,7 @@
+
+zen-new-web-panel-url =
+  .value = Initial URL
+  .accesskey = I
+zen-new-web-panel-user-agent =
+  .value = Display this web panel in mobile mode
+  .accesskey = m
\ No newline at end of file