diff --git a/_locales/ja/messages.json b/_locales/ja/messages.json
index f502b7c..e2d1590 100644
--- a/_locales/ja/messages.json
+++ b/_locales/ja/messages.json
@@ -230,5 +230,99 @@
     "cleaning_tool_clean_urls_label": {
         "message": "ここで、クリーンアップされた URL を見つけることができます。",
         "description": "この文字列は、クリーン URL のクリーニングツールページのタイトルとして使用されます。"
+    },
+    "local_hosts_skipping": {
+        "message": "Skip URLs on local hosts (10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16, 100.64.0.0/10, 169.254.0.0/16, 127.0.0.1, localhost)",
+        "description": "This string is used as label for the local host skipping switch"
+    },
+    "local_hosts_skipping_title": {
+        "message": "Skips URLs on local hosts",
+        "description": "This string is used as title for the local host skipping switch"
+    },
+    "log_html_export_button": {
+        "message": "Export",
+        "description": "This string is used for the export button on the log page."
+    },
+    "log_html_export_button_title": {
+        "message": "Exports the global log",
+        "description": "This string is used as title for the export button on the log page."
+    },
+    "log_html_import_button": {
+        "message": "Import",
+        "description": "This string is used for the import button on the log page."
+    },
+    "log_html_import_button_title": {
+        "message": "Import the global log",
+        "description": "This string is used as title for the import button on the log page."
+    },
+    "setting_html_export_button": {
+        "message": "Export",
+        "description": "This string is used as name for the export button on the settings page."
+    },
+    "setting_html_export_button_title": {
+        "message": "Exports everything",
+        "description": "This string is used as title for the export button on the settings page."
+    },
+    "setting_html_import_button": {
+        "message": "Import",
+        "description": "This string is used as name for the reset button on the settings page."
+    },
+    "setting_html_import_button_title": {
+        "message": "Imports everything",
+        "description": "This string is used as title for the import button on the settings page."
+    },
+    "setting_log_limit_label": {
+        "message": "Limit the log to $LIMIT$ entries. (-1 := ∞)",
+        "description": "This string is used as name for the log limit label.",
+        "placeholders": {
+            "limit": {
+                "content": "$1",
+                "example": "100"
+            }
+        }
+    },
+    "blocked_html_title": {
+        "message": "This site was blocked by <b>ClearURLs</b>",
+        "description": "This string is used as title on the blocked site page."
+    },
+    "blocked_html_body": {
+        "message": "This site was blocked by the <b>ClearURLs</b> Add-on, because we identify this site as an advertising and/or tracking service. To visit this site, you must temporarily deactivate the Add-on or disable domain blocking in the ClearURLs settings. After this you can click on the button below to load the page.",
+        "description": "This string is used as body on the blocked site page."
+    },
+    "blocked_html_button": {
+        "message": "Visit page",
+        "description": "This string is used as button on the blocked site page."
+    },
+    "referral_marketing_enabled": {
+        "message": "Allow referral marketing",
+        "description": "This string is used as label for the referral marketing switch"
+    },
+    "referral_marketing_enabled_title": {
+        "message": "Allows referral marketing",
+        "description": "This string is used as title for the referral marketing switch"
+    },
+    "watchdog": {
+        "message": "[ClearURLs]: The watchdog has detected a problem. ClearURLs is restarting.",
+        "description": "This string is used as text for the watchdog"
+    },
+    "domain_blocking_enabled": {
+        "message": "Allow domain blocking (Can lead to problems on pages that do not allow AdBlockers)",
+        "description": "This string is used as label for the domain blocking switch"
+    },
+    "domain_blocking_enabled_title": {
+        "message": "Allow domain blocking (Can lead to problems on pages that do not allow AdBlockers)",
+        "description": "This string is used as title for the domain blocking switch"
+    },
+    "log_ping_blocked": {
+        "message": "This hyperlink auditing was blocked",
+        "description": "This string is used on hyperlink auditing in the ClearURLs log."
+    },
+    "ping_blocking_enabled": {
+        "message": "Block hyperlink auditing (See also <a href='https://html.spec.whatwg.org/multipage/links.html#hyperlink-auditing' target='_blank'>this article</a>)",
+        "description": "This string is used as label for the hyperlink auditing blocking switch"
+    },
+    "ping_blocking_enabled_title": {
+        "message": "Block hyperlink auditing",
+        "description": "This string is used as title for the hyperlink auditing blocking switch"
     }
 }
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