diff --git a/l10n/br/viewer.ftl b/l10n/br/viewer.ftl
index 4cdd3b8d8..9049f68f1 100644
--- a/l10n/br/viewer.ftl
+++ b/l10n/br/viewer.ftl
@@ -274,6 +274,9 @@ pdfjs-editor-free-text-button-label = Testenn
 pdfjs-editor-ink-button =
     .title = Tresañ
 pdfjs-editor-ink-button-label = Tresañ
+pdfjs-editor-stamp-button =
+    .title = Ouzhpennañ pe aozañ skeudennoù
+pdfjs-editor-stamp-button-label = Ouzhpennañ pe aozañ skeudennoù
 
 ## Remove button for the various kind of editor.
 
@@ -289,9 +292,16 @@ pdfjs-editor-ink-opacity-input = Boullder
 pdfjs-editor-stamp-add-image-button =
     .title = Ouzhpennañ ur skeudenn
 pdfjs-editor-stamp-add-image-button-label = Ouzhpennañ ur skeudenn
+pdfjs-free-text =
+    .aria-label = Aozer testennoù
+pdfjs-ink =
+    .aria-label = Aozer tresoù
+pdfjs-ink-canvas =
+    .aria-label = Skeudenn bet krouet gant an implijer·ez
 
 ## Alt-text dialog
 
+pdfjs-editor-alt-text-add-description-label = Ouzhpennañ un deskrivadur
 pdfjs-editor-alt-text-cancel-button = Nullañ
 pdfjs-editor-alt-text-save-button = Enrollañ
 
diff --git a/l10n/es-ES/viewer.ftl b/l10n/es-ES/viewer.ftl
index 095546c00..bdd3b31c5 100644
--- a/l10n/es-ES/viewer.ftl
+++ b/l10n/es-ES/viewer.ftl
@@ -301,8 +301,6 @@ pdfjs-editor-ink-button-label = Dibujar
 pdfjs-editor-stamp-button =
     .title = Añadir o editar imágenes
 pdfjs-editor-stamp-button-label = Añadir o editar imágenes
-pdfjs-editor-remove-button =
-    .title = Eliminar
 pdfjs-editor-highlight-button =
     .title = Resaltar
 pdfjs-editor-highlight-button-label = Resaltar
@@ -329,6 +327,10 @@ pdfjs-editor-ink-opacity-input = Opacidad
 pdfjs-editor-stamp-add-image-button =
     .title = Añadir imagen
 pdfjs-editor-stamp-add-image-button-label = Añadir imagen
+# This refers to the thickness of the line used for free highlighting (not bound to text)
+pdfjs-editor-free-highlight-thickness-input = Grosor
+pdfjs-editor-free-highlight-thickness-title =
+    .title = Cambiar el grosor al resaltar elementos que no sean texto
 pdfjs-free-text =
     .aria-label = Editor de texto
 pdfjs-free-text-default-content = Empezar a escribir…
diff --git a/l10n/eu/viewer.ftl b/l10n/eu/viewer.ftl
index 7c3860267..8fc5e7b31 100644
--- a/l10n/eu/viewer.ftl
+++ b/l10n/eu/viewer.ftl
@@ -301,8 +301,6 @@ pdfjs-editor-ink-button-label = Marrazkia
 pdfjs-editor-stamp-button =
     .title = Gehitu edo editatu irudiak
 pdfjs-editor-stamp-button-label = Gehitu edo editatu irudiak
-pdfjs-editor-remove-button =
-    .title = Kendu
 pdfjs-editor-highlight-button =
     .title = Nabarmendu
 pdfjs-editor-highlight-button-label = Nabarmendu
@@ -329,6 +327,10 @@ pdfjs-editor-ink-opacity-input = Opakutasuna
 pdfjs-editor-stamp-add-image-button =
     .title = Gehitu irudia
 pdfjs-editor-stamp-add-image-button-label = Gehitu irudia
+# This refers to the thickness of the line used for free highlighting (not bound to text)
+pdfjs-editor-free-highlight-thickness-input = Loditasuna
+pdfjs-editor-free-highlight-thickness-title =
+    .title = Aldatu loditasuna testua ez beste elementuak nabarmentzean
 pdfjs-free-text =
     .aria-label = Testu-editorea
 pdfjs-free-text-default-content = Hasi idazten…
diff --git a/l10n/gl/viewer.ftl b/l10n/gl/viewer.ftl
index 1b732fd4c..a08fb1a3a 100644
--- a/l10n/gl/viewer.ftl
+++ b/l10n/gl/viewer.ftl
@@ -301,6 +301,18 @@ pdfjs-editor-ink-button-label = Debuxo
 pdfjs-editor-stamp-button =
     .title = Engadir ou editar imaxes
 pdfjs-editor-stamp-button-label = Engadir ou editar imaxes
+
+## Remove button for the various kind of editor.
+
+pdfjs-editor-remove-freetext-button =
+    .title = Eliminar o texto
+pdfjs-editor-remove-stamp-button =
+    .title = Eliminar a imaxe
+pdfjs-editor-remove-highlight-button =
+    .title = Eliminar o resaltado
+
+##
+
 # Editor Parameters
 pdfjs-editor-free-text-color-input = Cor
 pdfjs-editor-free-text-size-input = Tamaño
@@ -310,6 +322,8 @@ pdfjs-editor-ink-opacity-input = Opacidade
 pdfjs-editor-stamp-add-image-button =
     .title = Engadir imaxe
 pdfjs-editor-stamp-add-image-button-label = Engadir imaxe
+# This refers to the thickness of the line used for free highlighting (not bound to text)
+pdfjs-editor-free-highlight-thickness-input = Grosor
 pdfjs-free-text =
     .aria-label = Editor de texto
 pdfjs-free-text-default-content = Comezar a teclear…
@@ -345,3 +359,6 @@ pdfjs-editor-resizer-label-bottom-right = Esquina inferior dereita: cambia o tam
 pdfjs-editor-resizer-label-bottom-middle = Abaixo medio: cambia o tamaño
 pdfjs-editor-resizer-label-bottom-left = Esquina inferior esquerda: cambia o tamaño
 pdfjs-editor-resizer-label-middle-left = Medio esquerdo: cambia o tamaño
+
+## Color picker
+
diff --git a/l10n/it/viewer.ftl b/l10n/it/viewer.ftl
index 7daf38be6..2f205fe19 100644
--- a/l10n/it/viewer.ftl
+++ b/l10n/it/viewer.ftl
@@ -321,8 +321,6 @@ pdfjs-editor-remove-highlight-button =
 
 ##
 
-pdfjs-editor-remove-button =
-    .title = Rimuovi
 # Editor Parameters
 pdfjs-editor-free-text-color-input = Colore
 pdfjs-editor-free-text-size-input = Dimensione
diff --git a/l10n/nb-NO/viewer.ftl b/l10n/nb-NO/viewer.ftl
index 244cbd4c3..0d7c61f3f 100644
--- a/l10n/nb-NO/viewer.ftl
+++ b/l10n/nb-NO/viewer.ftl
@@ -301,6 +301,9 @@ pdfjs-editor-ink-button-label = Tegn
 pdfjs-editor-stamp-button =
     .title = Legg til eller rediger bilder
 pdfjs-editor-stamp-button-label = Legg til eller rediger bilder
+pdfjs-editor-highlight-button =
+    .title = Markere
+pdfjs-editor-highlight-button-label = Markere
 
 ## Remove button for the various kind of editor.
 
@@ -326,6 +329,8 @@ pdfjs-editor-stamp-add-image-button =
 pdfjs-editor-stamp-add-image-button-label = Legg til bilde
 # This refers to the thickness of the line used for free highlighting (not bound to text)
 pdfjs-editor-free-highlight-thickness-input = Tykkelse
+pdfjs-editor-free-highlight-thickness-title =
+    .title = Endre tykkelse når du markerer andre elementer enn tekst
 pdfjs-free-text =
     .aria-label = Tekstredigering
 pdfjs-free-text-default-content = Begynn å skrive…
diff --git a/l10n/pt-PT/viewer.ftl b/l10n/pt-PT/viewer.ftl
index fc4d31a51..3b36846fd 100644
--- a/l10n/pt-PT/viewer.ftl
+++ b/l10n/pt-PT/viewer.ftl
@@ -301,6 +301,23 @@ pdfjs-editor-ink-button-label = Desenhar
 pdfjs-editor-stamp-button =
     .title = Adicionar ou editar imagens
 pdfjs-editor-stamp-button-label = Adicionar ou editar imagens
+pdfjs-editor-highlight-button =
+    .title = Destaque
+pdfjs-editor-highlight-button-label = Destaque
+
+## Remove button for the various kind of editor.
+
+pdfjs-editor-remove-ink-button =
+    .title = Remover desenho
+pdfjs-editor-remove-freetext-button =
+    .title = Remover texto
+pdfjs-editor-remove-stamp-button =
+    .title = Remover imagem
+pdfjs-editor-remove-highlight-button =
+    .title = Remover destaque
+
+##
+
 # Editor Parameters
 pdfjs-editor-free-text-color-input = Cor
 pdfjs-editor-free-text-size-input = Tamanho
@@ -310,6 +327,10 @@ pdfjs-editor-ink-opacity-input = Opacidade
 pdfjs-editor-stamp-add-image-button =
     .title = Adicionar imagem
 pdfjs-editor-stamp-add-image-button-label = Adicionar imagem
+# This refers to the thickness of the line used for free highlighting (not bound to text)
+pdfjs-editor-free-highlight-thickness-input = Espessura
+pdfjs-editor-free-highlight-thickness-title =
+    .title = Alterar espessura quando destacar itens que não sejam texto
 pdfjs-free-text =
     .aria-label = Editor de texto
 pdfjs-free-text-default-content = Começar a digitar…
@@ -347,3 +368,22 @@ pdfjs-editor-resizer-label-bottom-right = Canto inferior direito — redimension
 pdfjs-editor-resizer-label-bottom-middle = Inferior ao centro — redimensionar
 pdfjs-editor-resizer-label-bottom-left = Canto inferior esquerdo — redimensionar
 pdfjs-editor-resizer-label-middle-left = Centro à esquerda — redimensionar
+
+## Color picker
+
+# This means "Color used to highlight text"
+pdfjs-editor-highlight-colorpicker-label = Cor de destaque
+pdfjs-editor-colorpicker-button =
+    .title = Alterar cor
+pdfjs-editor-colorpicker-dropdown =
+    .aria-label = Escolhas de cor
+pdfjs-editor-colorpicker-yellow =
+    .title = Amarelo
+pdfjs-editor-colorpicker-green =
+    .title = Verde
+pdfjs-editor-colorpicker-blue =
+    .title = Azul
+pdfjs-editor-colorpicker-pink =
+    .title = Rosa
+pdfjs-editor-colorpicker-red =
+    .title = Vermelho
diff --git a/l10n/sl/viewer.ftl b/l10n/sl/viewer.ftl
index 4a4a2a092..dc3ec02f2 100644
--- a/l10n/sl/viewer.ftl
+++ b/l10n/sl/viewer.ftl
@@ -305,8 +305,6 @@ pdfjs-editor-ink-button-label = Riši
 pdfjs-editor-stamp-button =
     .title = Dodajanje ali urejanje slik
 pdfjs-editor-stamp-button-label = Dodajanje ali urejanje slik
-pdfjs-editor-remove-button =
-    .title = Odstrani
 pdfjs-editor-highlight-button =
     .title = Poudarek
 pdfjs-editor-highlight-button-label = Poudarek
@@ -333,6 +331,10 @@ pdfjs-editor-ink-opacity-input = Neprosojnost
 pdfjs-editor-stamp-add-image-button =
     .title = Dodaj sliko
 pdfjs-editor-stamp-add-image-button-label = Dodaj sliko
+# This refers to the thickness of the line used for free highlighting (not bound to text)
+pdfjs-editor-free-highlight-thickness-input = Debelina
+pdfjs-editor-free-highlight-thickness-title =
+    .title = Spremeni debelino pri označevanju nebesedilnih elementov
 pdfjs-free-text =
     .aria-label = Urejevalnik besedila
 pdfjs-free-text-default-content = Začnite tipkati …
diff --git a/l10n/th/viewer.ftl b/l10n/th/viewer.ftl
index 2d3fb6975..ea45c1ae5 100644
--- a/l10n/th/viewer.ftl
+++ b/l10n/th/viewer.ftl
@@ -319,6 +319,10 @@ pdfjs-editor-ink-opacity-input = ความทึบ
 pdfjs-editor-stamp-add-image-button =
     .title = เพิ่มภาพ
 pdfjs-editor-stamp-add-image-button-label = เพิ่มภาพ
+# This refers to the thickness of the line used for free highlighting (not bound to text)
+pdfjs-editor-free-highlight-thickness-input = ความหนา
+pdfjs-editor-free-highlight-thickness-title =
+    .title = เปลี่ยนความหนาเมื่อเน้นรายการอื่นๆ ที่ไม่ใช่ข้อความ
 pdfjs-free-text =
     .aria-label = ตัวแก้ไขข้อความ
 pdfjs-free-text-default-content = เริ่มพิมพ์…
diff --git a/l10n/uk/viewer.ftl b/l10n/uk/viewer.ftl
index 06c665b2c..50dbdfefd 100644
--- a/l10n/uk/viewer.ftl
+++ b/l10n/uk/viewer.ftl
@@ -288,7 +288,7 @@ pdfjs-text-annotation-type =
 
 pdfjs-password-label = Введіть пароль для відкриття цього PDF-файла.
 pdfjs-password-invalid = Невірний пароль. Спробуйте ще.
-pdfjs-password-ok-button = Гаразд
+pdfjs-password-ok-button = OK
 pdfjs-password-cancel-button = Скасувати
 pdfjs-web-fonts-disabled = Веб-шрифти вимкнено: неможливо використати вбудовані у PDF шрифти.