diff --git a/l10n/cs/viewer.properties b/l10n/cs/viewer.properties
index b41de1f14..bbab89fce 100644
--- a/l10n/cs/viewer.properties
+++ b/l10n/cs/viewer.properties
@@ -13,9 +13,9 @@
 # limitations under the License.
 
 # Main toolbar buttons (tooltips and alt text for images)
-previous.title=Předchozí stránka
+previous.title=Přejde na předchozí stránku
 previous_label=Předchozí
-next.title=Další stránka
+next.title=Přejde na následující stránku
 next_label=Další
 
 # LOCALIZATION NOTE (page_label, page_of):
@@ -38,8 +38,8 @@ print.title=Vytiskne dokument
 print_label=Tisk
 download.title=Stáhne dokument
 download_label=Stáhnout
-bookmark.title=Aktuální pohled (kopírovat nebo otevřít v novém okně)
-bookmark_label=Aktuální pohled
+bookmark.title=Současný pohled (kopírovat nebo otevřít v novém okně)
+bookmark_label=Současný pohled
 
 # Secondary toolbar and context menu
 tools.title=Nástroje
@@ -57,9 +57,9 @@ page_rotate_ccw.title=Otočí proti směru hodin
 page_rotate_ccw.label=Otočit proti směru hodin
 page_rotate_ccw_label=Otočit proti směru hodin
 
-hand_tool_enable.title=Povolit nástroj ručička
+hand_tool_enable.title=Povolí nástroj ručička
 hand_tool_enable_label=Povolit nástroj ručička
-hand_tool_disable.title=Zakázat nástroj ručička
+hand_tool_disable.title=Zakáže nástroj ručička
 hand_tool_disable_label=Zakázat nástroj ručička
 
 # Document properties dialog box
@@ -75,7 +75,7 @@ document_properties_kb={{size_kb}} KB ({{size_b}} bajtů)
 document_properties_mb={{size_mb}} MB ({{size_b}} bajtů)
 document_properties_title=Nadpis:
 document_properties_author=Autor:
-document_properties_subject=Subjekt:
+document_properties_subject=Předmět:
 document_properties_keywords=Klíčová slova:
 document_properties_creation_date=Datum vytvoření:
 document_properties_modification_date=Datum úpravy:
diff --git a/l10n/es-CL/viewer.properties b/l10n/es-CL/viewer.properties
index b97d6a262..e879d7803 100644
--- a/l10n/es-CL/viewer.properties
+++ b/l10n/es-CL/viewer.properties
@@ -163,7 +163,7 @@ unexpected_response_error=Respuesta del servidor inesperada.
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 text_annotation_type.alt=[{{type}} Anotación]
 password_label=Ingrese la contraseña para abrir este archivo PDF.
-password_invalid=Contraseña inválida. Por favor, vuelva a intentarlo.
+password_invalid=Contraseña inválida. Por favor, vuelve a intentarlo.
 password_ok=Aceptar
 password_cancel=Cancelar
 
diff --git a/l10n/fy-NL/viewer.properties b/l10n/fy-NL/viewer.properties
index 52b9d63e2..15553fc41 100644
--- a/l10n/fy-NL/viewer.properties
+++ b/l10n/fy-NL/viewer.properties
@@ -36,8 +36,8 @@ presentation_mode.title=Wikselje nei presintaasjemoadus
 presentation_mode_label=Presintaasjemoadus
 open_file.title=Bestân iepenje
 open_file_label=Iepenje
-download.title=Ynlade
-download_label=Ynlade
+download.title=Downloade
+download_label=Downloade
 bookmark.title=Aktuele finster (kopiearje of iepenje yn nij finster)
 bookmark_label=Aktuele finster
 
diff --git a/l10n/hy-AM/viewer.properties b/l10n/hy-AM/viewer.properties
index 965f3f9bd..7479d42a6 100644
--- a/l10n/hy-AM/viewer.properties
+++ b/l10n/hy-AM/viewer.properties
@@ -164,7 +164,7 @@ unexpected_response_error=Սպասարկիչի անսպասելի պատասխա
 text_annotation_type.alt=[{{type}} Ծանոթություն]
 password_label=Մուտքագրեք PDF-ի գաղտնաբառը:
 password_invalid=Գաղտնաբառը սխալ է: Կրկին փորձեք:
-password_ok=ԼԱՎ
+password_ok=Լավ
 password_cancel=Չեղարկել
 
 printing_not_supported=Զգուշացում. Տպելը ամբողջությամբ չի աջակցվում դիտարկիչի կողմից։
diff --git a/l10n/mk/viewer.properties b/l10n/mk/viewer.properties
index 18ded8914..2b732b248 100644
--- a/l10n/mk/viewer.properties
+++ b/l10n/mk/viewer.properties
@@ -1,6 +1,16 @@
-# 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/.
+# Copyright 2012 Mozilla Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 
 # Main toolbar buttons (tooltips and alt text for images)
 previous.title=Претходна страница
@@ -20,27 +30,44 @@ zoom_out_label=Намали
 zoom_in.title=Зголемување
 zoom_in_label=Зголеми
 zoom.title=Променување на големина
-print.title=Печатење
-print_label=Печати
+presentation_mode.title=Премини во презентациски режим
+presentation_mode_label=Презентациски режим
 open_file.title=Отварање  датотека
 open_file_label=Отвори
+print.title=Печатење
+print_label=Печати
 download.title=Преземање
 download_label=Преземи
 bookmark.title=Овој преглед (копирај или отвори во нов прозорец)
 bookmark_label=Овој преглед
 
+# Secondary toolbar and context menu
+tools.title=Алатки
+first_page.label=Оди до првата страница
+last_page.label=Оди до последната страница
+page_rotate_cw.label=Ротирај по стрелките на часовникот
+page_rotate_ccw.label=Ротирај спротивно од стрелките на часовникот
+
+
+# Document properties dialog box
+# LOCALIZATION NOTE (document_properties_kb): "{{size_kb}}" and "{{size_b}}"
+# will be replaced by the PDF file size in kilobytes, respectively in bytes.
+# LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}"
+# will be replaced by the PDF file size in megabytes, respectively in bytes.
+# LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}"
+# will be replaced by the creation/modification date, and time, of the PDF file.
+
 # Tooltips and alt text for side panel toolbar buttons
 # (the _label strings are alt text for the buttons, the .title strings are
 # tooltips)
-toggle_slider.title=Вклучување на лизгач
-toggle_slider_label=Вклучи лизгач
+toggle_sidebar.title=Вклучи странична лента
+toggle_sidebar_label=Вклучи странична лента
 outline.title=Прикажување на содржина на документот
 outline_label=Содржина на документот
 thumbs.title=Прикажување на икони
 thumbs_label=Икони
-
-# Document outline messages
-no_outline=Нема содржина
+findbar.title=Најди во документот
+findbar_label=Најди
 
 # Thumbnails panel item (tooltip and alt text for images)
 # LOCALIZATION NOTE (thumb_page_title): "{{page}}" will be replaced by the page
@@ -50,13 +77,25 @@ thumb_page_title=Страница {{page}}
 # number.
 thumb_page_canvas=Икона од страница {{page}}
 
+# Find panel button title and messages
+find_label=Најди:
+find_previous.title=Најди ја предходната појава на фразата
+find_previous_label=Претходно
+find_next.title=Најди ја следната појава на фразата
+find_next_label=Следно
+find_highlight=Означи сѐ
+find_match_case_label=Токму така
+find_reached_top=Барањето стигна до почетокот на документот и почнува од крајот
+find_reached_bottom=Барањето стигна до крајот на документот и почнува од почеток
+find_not_found=Фразата не е пронајдена
+
 # Error panel labels
 error_more_info=Повеќе информации
 error_less_info=Помалку информации
 error_close=Затвори
-# LOCALIZATION NOTE (error_build): "{{build}}" will be replaced by the PDF.JS
-# build ID.
-error_build=PDF.JS Build: {{build}}
+# LOCALIZATION NOTE (error_version_info): "{{version}}" and "{{build}}" will be
+# replaced by the PDF.JS version and build ID.
+error_version_info=PDF.js v{{version}} (build: {{build}})
 # LOCALIZATION NOTE (error_message): "{{message}}" will be replaced by an
 # english string describing the error.
 error_message=Порака: {{message}}
@@ -74,53 +113,20 @@ page_scale_width=Ширина на страница
 page_scale_fit=Цела страница
 page_scale_auto=Автоматска големина
 page_scale_actual=Вистинска големина
+# LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a
+# numerical scale value.
 
+# Loading indicator messages
 loading_error_indicator=Грешка
 loading_error=Настана грешка при вчитувањето на PDF-от.
+invalid_file_error=Невалидна или корумпирана PDF датотека.
+missing_file_error=Недостасува PDF документ.
 
-# LOCALIZATION NOTE (text_annotation_type): This is used as a tooltip.
-# "{{[type}}" will be replaced with an annotation type from a list defined in
+# LOCALIZATION NOTE (text_annotation_type.alt): This is used as a tooltip.
+# "{{type}}" will be replaced with an annotation type from a list defined in
 # the PDF spec (32000-1:2008 Table 169 – Annotation types).
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
-text_annotation_type=[{{type}} Забелешка]
-request_password=PDF-от е заштитен со лозинка:
-
 
 printing_not_supported=Предупредување: Печатењето не е целосно поддржано во овој прелистувач.
-
-find_highlight=Означи сѐ
-
-# Find panel button title and messages
-find_label=Најди:
-find_match_case_label=Токму така
-find_next.title=Најди ја следната појава на фразата
-find_next_label=Следно
-find_not_found=Фразата не е пронајдена
-find_previous.title=Најди ја предходната појава на фразата
-find_previous_label=Претходно
-find_reached_bottom=Барањето стигна до крајот на документот и почнува од почеток
-find_reached_top=Барањето стигна до почетокот на документот и почнува од крајот
-findbar.title=Најди во документот
-findbar_label=Најди
-
-# Context menu
-first_page.label=Оди до првата страница
-invalid_file_error=Невалидна или корумпирана PDF датотека.
-last_page.label=Оди до последната страница
-page_rotate_ccw.label=Ротирај спротивно од стрелките на часовникот
-page_rotate_cw.label=Ротирај по стрелките на часовникот
-presentation_mode.title=Премини во презентациски режим
-presentation_mode_label=Презентациски режим
-
-# LOCALIZATION NOTE (error_version_info): "{{version}}" and "{{build}}" will be
-# replaced by the PDF.JS version and build ID.
-error_version_info=PDF.js v{{version}} (build: {{build}})
-missing_file_error=Недостасува PDF документ.
 printing_not_ready=Предупредување: PDF документот не е целосно вчитан за печатење.
-
-# Tooltips and alt text for side panel toolbar buttons
-# (the _label strings are alt text for the buttons, the .title strings are
-# tooltips)
-toggle_sidebar.title=Вклучи странична лента
-toggle_sidebar_label=Вклучи странична лента
 web_fonts_disabled=Интернет фонтовите се оневозможени: не може да се користат вградените PDF фонтови.
diff --git a/l10n/nb-NO/viewer.properties b/l10n/nb-NO/viewer.properties
index 13d3670ec..097bc14d5 100644
--- a/l10n/nb-NO/viewer.properties
+++ b/l10n/nb-NO/viewer.properties
@@ -170,4 +170,4 @@ password_cancel=Avbryt
 printing_not_supported=Advarsel: Utskrift er ikke fullstendig støttet av denne nettleseren.
 printing_not_ready=Advarsel: PDF er ikke fullstendig innlastet for utskrift.
 web_fonts_disabled=Web-fonter er avslått: Kan ikke bruke innbundne PDF-fonter.
-document_colors_not_allowed=PDF-dokumenter tillates ikke å bruke deres egne farger: 'Tillat sider å velge egne farger' er deaktivert i nettleseren.
+document_colors_not_allowed=PDF-dokumenter tillates ikke å bruke deres egne farger: "Tillat sider å velge egne farger" er deaktivert i nettleseren.
diff --git a/l10n/nn-NO/viewer.properties b/l10n/nn-NO/viewer.properties
index f04a43057..6f444ac81 100644
--- a/l10n/nn-NO/viewer.properties
+++ b/l10n/nn-NO/viewer.properties
@@ -170,4 +170,4 @@ password_cancel=Avbryt
 printing_not_supported=Åtvaring: Utskrift er ikkje fullstendig støtta av denne nettlesaren.
 printing_not_ready=Åtvaring: PDF ikkje fullstendig innlasta for utskrift.
 web_fonts_disabled=Vev-skrifter er slått av: Kan ikkje bruka innbundne PDF-skrifter.
-document_colors_not_allowed=PDF-dokument kan ikkje bruka eigne fargar:'Tillat sider å velja eigne fargar' er deaktivert i nettlaren.
+document_colors_not_allowed=PDF-dokument kan ikkje bruka eigne fargar: "Tillat sider å velja eigne fargar" er deaktivert i nettlesaren.
diff --git a/l10n/pt-BR/viewer.properties b/l10n/pt-BR/viewer.properties
index cdfd8f0c0..6ca01aadc 100644
--- a/l10n/pt-BR/viewer.properties
+++ b/l10n/pt-BR/viewer.properties
@@ -95,7 +95,7 @@ toggle_sidebar.title=Exibir/ocultar painel
 toggle_sidebar_label=Exibir/ocultar painel
 outline.title=Exibir estrutura de tópicos
 outline_label=Estrutura de tópicos do documento
-attachments.title=Exibir anexos
+attachments.title=Mostrar anexos
 attachments_label=Anexos
 thumbs.title=Exibir miniaturas das páginas
 thumbs_label=Miniaturas
diff --git a/l10n/th/viewer.properties b/l10n/th/viewer.properties
index 258f4fc56..33fc6ac6b 100644
--- a/l10n/th/viewer.properties
+++ b/l10n/th/viewer.properties
@@ -25,11 +25,11 @@ next_label=ถัดไป
 page_label=หน้า:
 page_of=จาก {{pageCount}}
 
-zoom_out.title=ย่อ
-zoom_out_label=ย่อ Out
-zoom_in.title=ขยาย
-zoom_in_label=ขยาย
-zoom.title=ย่อ-ขยาย
+zoom_out.title=ขยายออก
+zoom_out_label=ขยายออก
+zoom_in.title=ขยายเข้า
+zoom_in_label=ขยายเข้า
+zoom.title=ขยาย
 presentation_mode.title=สลับเข้าสู่รูปแบบการนำเสนอ
 presentation_mode_label=รูปแบบการนำเสนอ
 open_file.title=เปิดไฟล์
@@ -73,19 +73,19 @@ document_properties_kb={{size_kb}} กิโลไบต์ ({{size_b}} ไบ
 # LOCALIZATION NOTE (document_properties_mb): "{{size_mb}}" and "{{size_b}}"
 # will be replaced by the PDF file size in megabytes, respectively in bytes.
 document_properties_mb={{size_mb}} เมกะไบต์ ({{size_b}} ไบต์)
-document_properties_title=หัวเรื่อง :
-document_properties_author=ผู้แต่ง :
-document_properties_subject=หัวข้อ :
-document_properties_keywords=คำสำคัญ :
-document_properties_creation_date=วันที่สร้าง :
-document_properties_modification_date=วันที่แก้ไข :
+document_properties_title=หัวข้อ:
+document_properties_author=ผู้สร้าง:
+document_properties_subject=ชื่อเรื่อง:
+document_properties_keywords=คำสำคัญ:
+document_properties_creation_date=วันที่สร้าง:
+document_properties_modification_date=วันที่แก้ไข:
 # LOCALIZATION NOTE (document_properties_date_string): "{{date}}" and "{{time}}"
 # will be replaced by the creation/modification date, and time, of the PDF file.
 document_properties_date_string={{date}}, {{time}}
-document_properties_creator=สร้างโดย :
-document_properties_producer=ผู้ผลิต PDF :
-document_properties_version=รุ่น PDF :
-document_properties_page_count=จำนวนหน้า :
+document_properties_creator=ผู้สร้าง:
+document_properties_producer=ผู้ผลิต PDF:
+document_properties_version=รุ่น PDF:
+document_properties_page_count=จำนวนหน้า:
 document_properties_close=ปิด
 
 # Tooltips and alt text for side panel toolbar buttons
@@ -144,7 +144,7 @@ rendering_error=เกิดข้อผิดพลาดขณะกำลั
 # Predefined zoom values
 page_scale_width=ความกว้างหน้า
 page_scale_fit=พอดีหน้า
-page_scale_auto=ย่อ-ขยายอัตโนมัติ
+page_scale_auto=ขยายอัตโนมัติ
 page_scale_actual=ขนาดเท่าจริง
 # LOCALIZATION NOTE (page_scale_percent): "{{scale}}" will be replaced by a
 # numerical scale value.