diff --git a/invenio_previewer/templates/semantic-ui/invenio_previewer/pdfjs.html b/invenio_previewer/templates/semantic-ui/invenio_previewer/pdfjs.html
index a952e16..2cec542 100644
--- a/invenio_previewer/templates/semantic-ui/invenio_previewer/pdfjs.html
+++ b/invenio_previewer/templates/semantic-ui/invenio_previewer/pdfjs.html
@@ -44,16 +44,16 @@
       <div id="toolbarSidebarLeft">
         <div id="sidebarViewButtons" class="splitToolbarButton toggled" role="radiogroup">
           <button id="viewThumbnail" class="toolbarButton toggled" title="Show Thumbnails" tabindex="2" data-l10n-id="thumbs" role="radio" aria-checked="true" aria-controls="thumbnailView">
-             <span data-l10n-id="thumbs_label">Thumbnails</span>
+             <span data-l10n-id="thumbs_label">{{_('Thumbnails')}}</span>
           </button>
           <button id="viewOutline" class="toolbarButton" title="Show Document Outline (double-click to expand/collapse all items)" tabindex="3" data-l10n-id="document_outline" role="radio" aria-checked="false" aria-controls="outlineView">
-             <span data-l10n-id="document_outline_label">Document Outline</span>
+             <span data-l10n-id="document_outline_label">{{_('Document Outline')}}</span>
           </button>
           <button id="viewAttachments" class="toolbarButton" title="Show Attachments" tabindex="4" data-l10n-id="attachments" role="radio" aria-checked="false" aria-controls="attachmentsView">
-             <span data-l10n-id="attachments_label">Attachments</span>
+             <span data-l10n-id="attachments_label">{{_('Attachments')}}</span>
           </button>
           <button id="viewLayers" class="toolbarButton" title="Show Layers (double-click to reset all layers to the default state)" tabindex="5" data-l10n-id="layers" role="radio" aria-checked="false" aria-controls="layersView">
-             <span data-l10n-id="layers_label">Layers</span>
+             <span data-l10n-id="layers_label">{{_('Layers')}}</span>
           </button>
         </div>
       </div>
@@ -63,7 +63,7 @@
           <div class="verticalToolbarSeparator"></div>
 
           <button id="currentOutlineItem" class="toolbarButton" disabled="disabled" title="Find Current Outline Item" tabindex="6" data-l10n-id="current_outline_item">
-            <span data-l10n-id="current_outline_item_label">Current Outline Item</span>
+            <span data-l10n-id="current_outline_item_label">{{_('Current Outline Item')}}</span>
           </button>
         </div>
       </div>
@@ -87,26 +87,26 @@
         <input id="findInput" class="toolbarField" title="Find" placeholder="Find in document…" tabindex="91" data-l10n-id="find_input" aria-invalid="false">
         <div class="splitToolbarButton">
           <button id="findPrevious" class="toolbarButton" title="Find the previous occurrence of the phrase" tabindex="92" data-l10n-id="find_previous">
-            <span data-l10n-id="find_previous_label">Previous</span>
+            <span data-l10n-id="find_previous_label">{{_('Previous')}}</span>
           </button>
           <div class="splitToolbarButtonSeparator"></div>
           <button id="findNext" class="toolbarButton" title="Find the next occurrence of the phrase" tabindex="93" data-l10n-id="find_next">
-            <span data-l10n-id="find_next_label">Next</span>
+            <span data-l10n-id="find_next_label">{{_('Next')}}</span>
           </button>
         </div>
       </div>
 
       <div id="findbarOptionsOneContainer">
         <input type="checkbox" id="findHighlightAll" class="toolbarField" tabindex="94">
-        <label for="findHighlightAll" class="toolbarLabel" data-l10n-id="find_highlight">Highlight All</label>
+        <label for="findHighlightAll" class="toolbarLabel" data-l10n-id="find_highlight">{{_('Highlight All')}}</label>
         <input type="checkbox" id="findMatchCase" class="toolbarField" tabindex="95">
-        <label for="findMatchCase" class="toolbarLabel" data-l10n-id="find_match_case_label">Match Case</label>
+        <label for="findMatchCase" class="toolbarLabel" data-l10n-id="find_match_case_label">{{_('Match Case')}}</label>
       </div>
       <div id="findbarOptionsTwoContainer">
         <input type="checkbox" id="findMatchDiacritics" class="toolbarField" tabindex="96">
-        <label for="findMatchDiacritics" class="toolbarLabel" data-l10n-id="find_match_diacritics_label">Match Diacritics</label>
+        <label for="findMatchDiacritics" class="toolbarLabel" data-l10n-id="find_match_diacritics_label">{{_('Match Diacritics')}}</label>
         <input type="checkbox" id="findEntireWord" class="toolbarField" tabindex="97">
-        <label for="findEntireWord" class="toolbarLabel" data-l10n-id="find_entire_word_label">Whole Words</label>
+        <label for="findEntireWord" class="toolbarLabel" data-l10n-id="find_entire_word_label">{{_('Whole Words')}}</label>
       </div>
 
       <div id="findbarMessageContainer" aria-live="polite">
@@ -118,11 +118,11 @@
     <div class="editorParamsToolbar hidden doorHangerRight" id="editorFreeTextParamsToolbar">
       <div class="editorParamsToolbarContainer">
         <div class="editorParamsSetter">
-          <label for="editorFreeTextColor" class="editorParamsLabel" data-l10n-id="editor_free_text_color">Color</label>
+          <label for="editorFreeTextColor" class="editorParamsLabel" data-l10n-id="editor_free_text_color">{{_('Color')}}</label>
           <input type="color" id="editorFreeTextColor" class="editorParamsColor" tabindex="100">
         </div>
         <div class="editorParamsSetter">
-          <label for="editorFreeTextFontSize" class="editorParamsLabel" data-l10n-id="editor_free_text_size">Size</label>
+          <label for="editorFreeTextFontSize" class="editorParamsLabel" data-l10n-id="editor_free_text_size">{{_('Size')}}</label>
           <input type="range" id="editorFreeTextFontSize" class="editorParamsSlider" value="10" min="5" max="100" step="1" tabindex="101">
         </div>
       </div>
@@ -131,15 +131,15 @@
     <div class="editorParamsToolbar hidden doorHangerRight" id="editorInkParamsToolbar">
       <div class="editorParamsToolbarContainer">
         <div class="editorParamsSetter">
-          <label for="editorInkColor" class="editorParamsLabel" data-l10n-id="editor_ink_color">Color</label>
+          <label for="editorInkColor" class="editorParamsLabel" data-l10n-id="editor_ink_color">{{_('Color')}}</label>
           <input type="color" id="editorInkColor" class="editorParamsColor" tabindex="102">
         </div>
         <div class="editorParamsSetter">
-          <label for="editorInkThickness" class="editorParamsLabel" data-l10n-id="editor_ink_thickness">Thickness</label>
+          <label for="editorInkThickness" class="editorParamsLabel" data-l10n-id="editor_ink_thickness">{{_('Thickness')}}</label>
           <input type="range" id="editorInkThickness" class="editorParamsSlider" value="1" min="1" max="20" step="1" tabindex="103">
         </div>
         <div class="editorParamsSetter">
-          <label for="editorInkOpacity" class="editorParamsLabel" data-l10n-id="editor_ink_opacity">Opacity</label>
+          <label for="editorInkOpacity" class="editorParamsLabel" data-l10n-id="editor_ink_opacity">{{_('Opacity')}}</label>
           <input type="range" id="editorInkOpacity" class="editorParamsSlider" value="100" min="1" max="100" step="1" tabindex="104">
         </div>
       </div>
@@ -148,7 +148,7 @@
     <div class="editorParamsToolbar hidden doorHangerRight" id="editorStampParamsToolbar">
       <div class="editorParamsToolbarContainer">
         <button id="editorStampAddImage" class="secondaryToolbarButton" title="Add image" tabindex="105" data-l10n-id="editor_stamp_add_image">
-          <span data-l10n-id="editor_stamp_add_image_label">Add image</span>
+          <span data-l10n-id="editor_stamp_add_image_label">{{_('Add image')}}</span>
         </button>
       </div>
     </div>
@@ -156,57 +156,57 @@
     <div id="secondaryToolbar" class="secondaryToolbar hidden doorHangerRight">
       <div id="secondaryToolbarButtonContainer">
         <button id="secondaryOpenFile" class="hidden secondaryToolbarButton visibleLargeView" title="Open File" tabindex="51" data-l10n-id="open_file">
-          <span data-l10n-id="open_file_label">Open</span>
+          <span data-l10n-id="open_file_label">{{_('Open')}}</span>
         </button>
 
         <button id="secondaryFullScreenMode" class="secondaryToolbarButton fullScreenMode visibleLargeView" title="{{_('Switch to Full Screen Mode')}}" tabindex="51" data-l10n-id="fullscreen">
-          <span data-l10n-id="fullscreen_label">Full Screen Mode</span>
+          <span data-l10n-id="fullscreen_label">{{_('Full Screen Mode')}}</span>
         </button>
 
         <button id="secondaryPrint" class="secondaryToolbarButton visibleMediumView" title="Print" tabindex="52" data-l10n-id="print">
-          <span data-l10n-id="print_label">Print</span>
+          <span data-l10n-id="print_label">{{_('Print')}}</span>
         </button>
 
         <button id="secondaryDownload" class="secondaryToolbarButton visibleMediumView" title="Save" tabindex="53" data-l10n-id="save">
-          <span data-l10n-id="save_label">Save</span>
+          <span data-l10n-id="save_label">{{_('Save')}}</span>
         </button>
 
         <div class="horizontalToolbarSeparator visibleLargeView"></div>
 
         <button id="presentationMode" class="secondaryToolbarButton" title="Switch to Presentation Mode" tabindex="54" data-l10n-id="presentation_mode">
-          <span data-l10n-id="presentation_mode_label">Presentation Mode</span>
+          <span data-l10n-id="presentation_mode_label">{{_('Presentation Mode')}}</span>
         </button>
 
         <a href="#" id="viewBookmark" class="secondaryToolbarButton" title="Current Page (View URL from Current Page)" tabindex="55" data-l10n-id="bookmark1">
-          <span data-l10n-id="bookmark1_label">Current Page</span>
+          <span data-l10n-id="bookmark1_label">{{_('Current Page')}}</span>
         </a>
 
         <div id="viewBookmarkSeparator" class="horizontalToolbarSeparator"></div>
 
         <button id="firstPage" class="secondaryToolbarButton" title="Go to First Page" tabindex="56" data-l10n-id="first_page">
-          <span data-l10n-id="first_page_label">Go to First Page</span>
+          <span data-l10n-id="first_page_label">{{_('Go to First Page')}}</span>
         </button>
         <button id="lastPage" class="secondaryToolbarButton" title="Go to Last Page" tabindex="57" data-l10n-id="last_page">
-          <span data-l10n-id="last_page_label">Go to Last Page</span>
+          <span data-l10n-id="last_page_label">{{_('Go to Last Page')}}</span>
         </button>
 
         <div class="horizontalToolbarSeparator"></div>
 
         <button id="pageRotateCw" class="secondaryToolbarButton" title="Rotate Clockwise" tabindex="58" data-l10n-id="page_rotate_cw">
-          <span data-l10n-id="page_rotate_cw_label">Rotate Clockwise</span>
+          <span data-l10n-id="page_rotate_cw_label">{{_('Rotate Clockwise')}}</span>
         </button>
         <button id="pageRotateCcw" class="secondaryToolbarButton" title="Rotate Counterclockwise" tabindex="59" data-l10n-id="page_rotate_ccw">
-          <span data-l10n-id="page_rotate_ccw_label">Rotate Counterclockwise</span>
+          <span data-l10n-id="page_rotate_ccw_label">{{_('Rotate Counterclockwise')}}</span>
         </button>
 
         <div class="horizontalToolbarSeparator"></div>
 
         <div id="cursorToolButtons" role="radiogroup">
           <button id="cursorSelectTool" class="secondaryToolbarButton toggled" title="Enable Text Selection Tool" tabindex="60" data-l10n-id="cursor_text_select_tool" role="radio" aria-checked="true">
-            <span data-l10n-id="cursor_text_select_tool_label">Text Selection Tool</span>
+            <span data-l10n-id="cursor_text_select_tool_label">{{_('Text Selection Tool')}}</span>
           </button>
           <button id="cursorHandTool" class="secondaryToolbarButton" title="Enable Hand Tool" tabindex="61" data-l10n-id="cursor_hand_tool" role="radio" aria-checked="false">
-            <span data-l10n-id="cursor_hand_tool_label">Hand Tool</span>
+            <span data-l10n-id="cursor_hand_tool_label">{{_('Hand Tool')}}</span>
           </button>
         </div>
 
@@ -214,16 +214,16 @@
 
         <div id="scrollModeButtons" role="radiogroup">
           <button id="scrollPage" class="secondaryToolbarButton" title="Use Page Scrolling" tabindex="62" data-l10n-id="scroll_page" role="radio" aria-checked="false">
-            <span data-l10n-id="scroll_page_label">Page Scrolling</span>
+            <span data-l10n-id="scroll_page_label">{{_('Page Scrolling')}}</span>
           </button>
           <button id="scrollVertical" class="secondaryToolbarButton toggled" title="Use Vertical Scrolling" tabindex="63" data-l10n-id="scroll_vertical" role="radio" aria-checked="true">
-            <span data-l10n-id="scroll_vertical_label" >Vertical Scrolling</span>
+            <span data-l10n-id="scroll_vertical_label" >{{_('Vertical Scrolling')}}</span>
           </button>
           <button id="scrollHorizontal" class="secondaryToolbarButton" title="Use Horizontal Scrolling" tabindex="64" data-l10n-id="scroll_horizontal" role="radio" aria-checked="false">
-            <span data-l10n-id="scroll_horizontal_label">Horizontal Scrolling</span>
+            <span data-l10n-id="scroll_horizontal_label">{{_('Horizontal Scrolling')}}</span>
           </button>
           <button id="scrollWrapped" class="secondaryToolbarButton" title="Use Wrapped Scrolling" tabindex="65" data-l10n-id="scroll_wrapped" role="radio" aria-checked="false">
-            <span data-l10n-id="scroll_wrapped_label">Wrapped Scrolling</span>
+            <span data-l10n-id="scroll_wrapped_label">{{_('Wrapped Scrolling')}}</span>
           </button>
         </div>
 
@@ -231,13 +231,13 @@
 
         <div id="spreadModeButtons" role="radiogroup">
           <button id="spreadNone" class="secondaryToolbarButton toggled" title="Do not join page spreads" tabindex="66" data-l10n-id="spread_none" role="radio" aria-checked="true">
-            <span data-l10n-id="spread_none_label">No Spreads</span>
+            <span data-l10n-id="spread_none_label">{{_('No Spreads')}}</span>
           </button>
           <button id="spreadOdd" class="secondaryToolbarButton" title="Join page spreads starting with odd-numbered pages" tabindex="67" data-l10n-id="spread_odd" role="radio" aria-checked="false">
-            <span data-l10n-id="spread_odd_label">Odd Spreads</span>
+            <span data-l10n-id="spread_odd_label">{{_('Odd Spreads')}}</span>
           </button>
           <button id="spreadEven" class="secondaryToolbarButton" title="Join page spreads starting with even-numbered pages" tabindex="68" data-l10n-id="spread_even" role="radio" aria-checked="false">
-            <span data-l10n-id="spread_even_label">Even Spreads</span>
+            <span data-l10n-id="spread_even_label">{{_('Even Spreads')}}</span>
           </button>
         </div>
 
@@ -254,19 +254,19 @@
         <div id="toolbarViewer">
           <div id="toolbarViewerLeft">
             <button id="sidebarToggle" class="toolbarButton" title="Toggle Sidebar" tabindex="11" data-l10n-id="toggle_sidebar" aria-expanded="false" aria-controls="sidebarContainer">
-              <span data-l10n-id="toggle_sidebar_label">Toggle Sidebar</span>
+              <span data-l10n-id="toggle_sidebar_label">{{_('Toggle Sidebar')}}</span>
             </button>
             <div class="toolbarButtonSpacer"></div>
             <button id="viewFind" class="toolbarButton" title="Find in Document" tabindex="12" data-l10n-id="findbar" aria-expanded="false" aria-controls="findbar">
-              <span data-l10n-id="findbar_label">Find</span>
+              <span data-l10n-id="findbar_label">{{_('Find')}}</span>
             </button>
             <div class="splitToolbarButton hiddenSmallView">
               <button class="toolbarButton" title="Previous Page" id="previous" tabindex="13" data-l10n-id="previous">
-                <span data-l10n-id="previous_label">Previous</span>
+                <span data-l10n-id="previous_label">{{_('Previous')}}</span>
               </button>
               <div class="splitToolbarButtonSeparator"></div>
               <button class="toolbarButton" title="Next Page" id="next" tabindex="14" data-l10n-id="next">
-                <span data-l10n-id="next_label">Next</span>
+                <span data-l10n-id="next_label">{{_('Next')}}</span>
               </button>
             </div>
             <input type="number" id="pageNumber" class="toolbarField" title="Page" value="1" min="1" tabindex="15" data-l10n-id="page" autocomplete="off">
@@ -274,57 +274,57 @@
           </div>
           <div id="toolbarViewerRight">
             <button id="openFile" class="hidden toolbarButton hiddenLargeView" title="Open File" tabindex="31" data-l10n-id="open_file">
-              <span data-l10n-id="open_file_label">Open</span>
+              <span data-l10n-id="open_file_label">{{_('Open')}}</span>
             </button>
 
             <button id="fullScreenMode" class="toolbarButton hiddenLargeView" title="{{_('Switch to Full Screen Mode')}}" tabindex="31" data-l10n-id="fullscreen">
-              <span data-l10n-id="fullscreen_label">Full Screen Mode</span>
+              <span data-l10n-id="fullscreen_label">{{_('Full Screen Mode')}}</span>
             </button>
 
             <button id="print" class="toolbarButton hiddenMediumView" title="Print" tabindex="32" data-l10n-id="print">
-              <span data-l10n-id="print_label">Print</span>
+              <span data-l10n-id="print_label">{{_('Print')}}</span>
             </button>
 
             <button id="download" class="toolbarButton hiddenMediumView" title="Save" tabindex="33" data-l10n-id="save">
-              <span data-l10n-id="save_label">Save</span>
+              <span data-l10n-id="save_label">{{_('Save')}}</span>
             </button>
 
             <div class="hidden verticalToolbarSeparator hiddenMediumView"></div>
 
             <div id="editorModeButtons" class="hidden splitToolbarButton toggled" role="radiogroup">
               <button id="editorFreeText" class="toolbarButton" disabled="disabled" title="Text" role="radio" aria-checked="false" aria-controls="editorFreeTextParamsToolbar" tabindex="34" data-l10n-id="editor_free_text2">
-                <span data-l10n-id="editor_free_text2_label">Text</span>
+                <span data-l10n-id="editor_free_text2_label">{{_('Text')}}</span>
               </button>
               <button id="editorInk" class="toolbarButton" disabled="disabled" title="Draw" role="radio" aria-checked="false" aria-controls="editorInkParamsToolbar" tabindex="35" data-l10n-id="editor_ink2">
-                <span data-l10n-id="editor_ink2_label">Draw</span>
+                <span data-l10n-id="editor_ink2_label">{{_('Draw')}}</span>
               </button>
               <button id="editorStamp" class="toolbarButton hidden" disabled="disabled" title="Add or edit images" role="radio" aria-checked="false" aria-controls="editorStampParamsToolbar" tabindex="36" data-l10n-id="editor_stamp1">
-                <span data-l10n-id="editor_stamp1_label">Add or edit images</span>
+                <span data-l10n-id="editor_stamp1_label">{{_('Add or edit images')}}</span>
               </button>
             </div>
 
             <div id="editorModeSeparator" class="verticalToolbarSeparator"></div>
 
             <button id="secondaryToolbarToggle" class="toolbarButton" title="Tools" tabindex="48" data-l10n-id="tools" aria-expanded="false" aria-controls="secondaryToolbar">
-              <span data-l10n-id="tools_label">Tools</span>
+              <span data-l10n-id="tools_label">{{_('Tools')}}</span>
             </button>
           </div>
           <div id="toolbarViewerMiddle">
             <div class="splitToolbarButton">
               <button id="zoomOut" class="toolbarButton" title="Zoom Out" tabindex="21" data-l10n-id="zoom_out">
-                <span data-l10n-id="zoom_out_label">Zoom Out</span>
+                <span data-l10n-id="zoom_out_label">{{_('Zoom Out')}}</span>
               </button>
               <div class="splitToolbarButtonSeparator"></div>
               <button id="zoomIn" class="toolbarButton" title="Zoom In" tabindex="22" data-l10n-id="zoom_in">
-                <span data-l10n-id="zoom_in_label">Zoom In</span>
+                <span data-l10n-id="zoom_in_label">{{_('Zoom In')}}</span>
                </button>
             </div>
             <span id="scaleSelectContainer" class="dropdownToolbarButton">
               <select id="scaleSelect" title="Zoom" tabindex="23" data-l10n-id="zoom">
-                <option id="pageAutoOption" title="" value="auto" selected="selected" data-l10n-id="page_scale_auto">Automatic Zoom</option>
-                <option id="pageActualOption" title="" value="page-actual" data-l10n-id="page_scale_actual">Actual Size</option>
-                <option id="pageFitOption" title="" value="page-fit" data-l10n-id="page_scale_fit">Page Fit</option>
-                <option id="pageWidthOption" title="" value="page-width" data-l10n-id="page_scale_width">Page Width</option>
+                <option id="pageAutoOption" title="" value="auto" selected="selected" data-l10n-id="page_scale_auto">{{_('Automatic Zoom')}}</option>
+                <option id="pageActualOption" title="" value="page-actual" data-l10n-id="page_scale_actual">{{_('Actual Size')}}</option>
+                <option id="pageFitOption" title="" value="page-fit" data-l10n-id="page_scale_fit">{{_('Page Fit')}}</option>
+                <option id="pageWidthOption" title="" value="page-width" data-l10n-id="page_scale_width">{{_('Page Width')}}</option>
                 <option id="customScaleOption" title="" value="custom" disabled="disabled" hidden="true"></option>
                 <option title="" value="0.5" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 50 }'>50%</option>
                 <option title="" value="0.75" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 75 }'>75%</option>
@@ -361,7 +361,7 @@
         <input type="password" id="password" class="toolbarField">
       </div>
       <div class="buttonRow">
-        <button id="passwordCancel" class="dialogButton"><span data-l10n-id="password_cancel">Cancel</span></button>
+        <button id="passwordCancel" class="dialogButton"><span data-l10n-id="password_cancel">{{_('Cancel')}}</span></button>
         <button id="passwordSubmit" class="dialogButton"><span data-l10n-id="password_ok">OK</span></button>
       </div>
     </dialog>
@@ -426,13 +426,13 @@
         <p id="linearizedField" aria-labelledby="linearizedLabel">-</p>
       </div>
       <div class="buttonRow">
-        <button id="documentPropertiesClose" class="dialogButton"><span data-l10n-id="document_properties_close">Close</span></button>
+        <button id="documentPropertiesClose" class="dialogButton"><span data-l10n-id="document_properties_close">{{_('Close')}}</span></button>
       </div>
     </dialog>
     <dialog id="altTextDialog" aria-labelledby="dialogLabel" aria-describedby="dialogDescription">
       <div id="altTextContainer">
         <div id="overallDescription">
-          <span id="dialogLabel" data-l10n-id="editor_alt_text_dialog_label" class="title">Choose an option</span>
+          <span id="dialogLabel" data-l10n-id="editor_alt_text_dialog_label" class="title">{{_('Choose an option')}}</span>
           <span id="dialogDescription" data-l10n-id="editor_alt_text_dialog_description">
             Alt text (alternative text) helps when people can’t see the image or when it doesn’t load.
           </span>
@@ -441,7 +441,7 @@
           <div class="radio">
             <div class="radioButton">
               <input type="radio" id="descriptionButton" name="altTextOption" tabindex="0" aria-describedby="descriptionAreaLabel" checked>
-              <label for="descriptionButton" data-l10n-id="editor_alt_text_add_description_label">Add a description</label>
+              <label for="descriptionButton" data-l10n-id="editor_alt_text_add_description_label">{{_('Add a description')}}</label>
             </div>
             <div class="radioLabel">
               <span id="descriptionAreaLabel" data-l10n-id="editor_alt_text_add_description_description">
@@ -457,7 +457,7 @@
           <div class="radio">
             <div class="radioButton">
               <input type="radio" id="decorativeButton" name="altTextOption" aria-describedby="decorativeLabel">
-              <label for="decorativeButton" data-l10n-id="editor_alt_text_mark_decorative_label">Mark as decorative</label>
+              <label for="decorativeButton" data-l10n-id="editor_alt_text_mark_decorative_label">{{_('Mark as decorative')}}</label>
             </div>
             <div class="radioLabel">
               <span id="decorativeLabel" data-l10n-id="editor_alt_text_mark_decorative_description">
@@ -467,8 +467,8 @@
           </div>
         </div>
         <div id="buttons">
-          <button id="altTextCancel" tabindex="0"><span data-l10n-id="editor_alt_text_cancel_button">Cancel</span></button>
-          <button id="altTextSave" tabindex="0"><span data-l10n-id="editor_alt_text_save_button">Save</span></button>
+          <button id="altTextCancel" tabindex="0"><span data-l10n-id="editor_alt_text_cancel_button">{{_('Cancel')}}</span></button>
+          <button id="altTextSave" tabindex="0"><span data-l10n-id="editor_alt_text_save_button">{{_('Save')}}</span></button>
         </div>
       </div>
     </dialog>
@@ -481,7 +481,7 @@
         <span data-l10n-id="print_progress_percent" data-l10n-args='{ "progress": 0 }' class="relative-progress">0%</span>
       </div>
       <div class="buttonRow">
-        <button id="printCancel" class="dialogButton"><span data-l10n-id="print_progress_close">Cancel</span></button>
+        <button id="printCancel" class="dialogButton"><span data-l10n-id="print_progress_close">{{_('Cancel')}}</span></button>
       </div>
     </dialog>
   </div>  <!-- dialogContainer -->