diff --git a/locales/cs/translation.json b/locales/cs/translation.json
index 9e40b8cc..5899a916 100644
--- a/locales/cs/translation.json
+++ b/locales/cs/translation.json
@@ -18,7 +18,8 @@
       "cw": "Media hidden",
       "report": "Report {user}",
       "open_original": "Open original page"
-    }
+    },
+    "mark_as_read": "Mark as read"
   },
   "accounts": {
     "new": {
@@ -116,7 +117,8 @@
     "upload_error": "Failed to upload the file",
     "compose": {
       "post_failed": "Failed to post a status"
-    }
+    },
+    "failed_mark": "Failed to mark as read"
   },
   "profile": {
     "follow": "Follow",
diff --git a/locales/de/translation.json b/locales/de/translation.json
index 9e40b8cc..5899a916 100644
--- a/locales/de/translation.json
+++ b/locales/de/translation.json
@@ -18,7 +18,8 @@
       "cw": "Media hidden",
       "report": "Report {user}",
       "open_original": "Open original page"
-    }
+    },
+    "mark_as_read": "Mark as read"
   },
   "accounts": {
     "new": {
@@ -116,7 +117,8 @@
     "upload_error": "Failed to upload the file",
     "compose": {
       "post_failed": "Failed to post a status"
-    }
+    },
+    "failed_mark": "Failed to mark as read"
   },
   "profile": {
     "follow": "Follow",
diff --git a/locales/es_es/translation.json b/locales/es_es/translation.json
index 27ab26b9..5899a916 100644
--- a/locales/es_es/translation.json
+++ b/locales/es_es/translation.json
@@ -16,8 +16,10 @@
       "show_more": "Show more",
       "show_less": "Show less",
       "cw": "Media hidden",
-      "report": "Report {user}"
-    }
+      "report": "Report {user}",
+      "open_original": "Open original page"
+    },
+    "mark_as_read": "Mark as read"
   },
   "accounts": {
     "new": {
@@ -115,12 +117,19 @@
     "upload_error": "Failed to upload the file",
     "compose": {
       "post_failed": "Failed to post a status"
-    }
+    },
+    "failed_mark": "Failed to mark as read"
   },
   "profile": {
     "follow": "Follow",
     "unfollow": "Unfollow",
     "open_original": "Open original page",
+    "block": "Block",
+    "unblock": "Unblock",
+    "mute": "Mute",
+    "unmute": "Unmute",
+    "block_domain": "Block domain {server}",
+    "unblock_domain": "Unblock domain {server}",
     "timeline": "Timeline",
     "followers": "Followers",
     "followings": "Followings"
diff --git a/locales/fa/translation.json b/locales/fa/translation.json
index 9e40b8cc..5899a916 100644
--- a/locales/fa/translation.json
+++ b/locales/fa/translation.json
@@ -18,7 +18,8 @@
       "cw": "Media hidden",
       "report": "Report {user}",
       "open_original": "Open original page"
-    }
+    },
+    "mark_as_read": "Mark as read"
   },
   "accounts": {
     "new": {
@@ -116,7 +117,8 @@
     "upload_error": "Failed to upload the file",
     "compose": {
       "post_failed": "Failed to post a status"
-    }
+    },
+    "failed_mark": "Failed to mark as read"
   },
   "profile": {
     "follow": "Follow",
diff --git a/locales/fr/translation.json b/locales/fr/translation.json
index 9e40b8cc..5899a916 100644
--- a/locales/fr/translation.json
+++ b/locales/fr/translation.json
@@ -18,7 +18,8 @@
       "cw": "Media hidden",
       "report": "Report {user}",
       "open_original": "Open original page"
-    }
+    },
+    "mark_as_read": "Mark as read"
   },
   "accounts": {
     "new": {
@@ -116,7 +117,8 @@
     "upload_error": "Failed to upload the file",
     "compose": {
       "post_failed": "Failed to post a status"
-    }
+    },
+    "failed_mark": "Failed to mark as read"
   },
   "profile": {
     "follow": "Follow",
diff --git a/locales/gd/translation.json b/locales/gd/translation.json
index 9e40b8cc..5899a916 100644
--- a/locales/gd/translation.json
+++ b/locales/gd/translation.json
@@ -18,7 +18,8 @@
       "cw": "Media hidden",
       "report": "Report {user}",
       "open_original": "Open original page"
-    }
+    },
+    "mark_as_read": "Mark as read"
   },
   "accounts": {
     "new": {
@@ -116,7 +117,8 @@
     "upload_error": "Failed to upload the file",
     "compose": {
       "post_failed": "Failed to post a status"
-    }
+    },
+    "failed_mark": "Failed to mark as read"
   },
   "profile": {
     "follow": "Follow",
diff --git a/locales/hu/translation.json b/locales/hu/translation.json
index 9e40b8cc..5899a916 100644
--- a/locales/hu/translation.json
+++ b/locales/hu/translation.json
@@ -18,7 +18,8 @@
       "cw": "Media hidden",
       "report": "Report {user}",
       "open_original": "Open original page"
-    }
+    },
+    "mark_as_read": "Mark as read"
   },
   "accounts": {
     "new": {
@@ -116,7 +117,8 @@
     "upload_error": "Failed to upload the file",
     "compose": {
       "post_failed": "Failed to post a status"
-    }
+    },
+    "failed_mark": "Failed to mark as read"
   },
   "profile": {
     "follow": "Follow",
diff --git a/locales/it/translation.json b/locales/it/translation.json
index 9e40b8cc..5899a916 100644
--- a/locales/it/translation.json
+++ b/locales/it/translation.json
@@ -18,7 +18,8 @@
       "cw": "Media hidden",
       "report": "Report {user}",
       "open_original": "Open original page"
-    }
+    },
+    "mark_as_read": "Mark as read"
   },
   "accounts": {
     "new": {
@@ -116,7 +117,8 @@
     "upload_error": "Failed to upload the file",
     "compose": {
       "post_failed": "Failed to post a status"
-    }
+    },
+    "failed_mark": "Failed to mark as read"
   },
   "profile": {
     "follow": "Follow",
diff --git a/locales/ja/translation.json b/locales/ja/translation.json
index 590d9564..ad9a1b59 100644
--- a/locales/ja/translation.json
+++ b/locales/ja/translation.json
@@ -17,8 +17,9 @@
       "show_less": "隠す",
       "cw": "非表示のメディア",
       "report": "{user} を通報",
-      "open_original": "Open original page"
-    }
+      "open_original": "元のページを開く"
+    },
+    "mark_as_read": "全て既読にする"
   },
   "accounts": {
     "new": {
@@ -116,18 +117,19 @@
     "upload_error": "ファイルのアップロードに失敗しました",
     "compose": {
       "post_failed": "投稿に失敗"
-    }
+    },
+    "failed_mark": "通知を既読にできませんでした。"
   },
   "profile": {
     "follow": "フォロー",
     "unfollow": "フォローを解除",
     "open_original": "元のページを開く",
-    "block": "Block",
-    "unblock": "Unblock",
-    "mute": "Mute",
-    "unmute": "Unmute",
-    "block_domain": "Block domain {server}",
-    "unblock_domain": "Unblock domain {server}",
+    "block": "ブロック",
+    "unblock": "ブロックを解除",
+    "mute": "ミュート",
+    "unmute": "ミュートを解除",
+    "block_domain": "ドメイン {server} をブロック",
+    "unblock_domain": "ドメイン {server} のブロックを解除",
     "timeline": "タイムライン",
     "followers": "フォロワー",
     "followings": "フォロー中"
@@ -138,7 +140,7 @@
     "font_size": "フォントサイズ"
   },
   "thirdparty": {
-    "title": "Third-party licenses"
+    "title": "サードパーティのライセンス"
   },
   "report": {
     "title": "{user} を通報",
@@ -146,6 +148,6 @@
     "submit": "送信"
   },
   "search": {
-    "placeholder": "Search timeline"
+    "placeholder": "タイムラインを検索"
   }
 }
diff --git a/locales/ko/translation.json b/locales/ko/translation.json
index 9e40b8cc..5899a916 100644
--- a/locales/ko/translation.json
+++ b/locales/ko/translation.json
@@ -18,7 +18,8 @@
       "cw": "Media hidden",
       "report": "Report {user}",
       "open_original": "Open original page"
-    }
+    },
+    "mark_as_read": "Mark as read"
   },
   "accounts": {
     "new": {
@@ -116,7 +117,8 @@
     "upload_error": "Failed to upload the file",
     "compose": {
       "post_failed": "Failed to post a status"
-    }
+    },
+    "failed_mark": "Failed to mark as read"
   },
   "profile": {
     "follow": "Follow",
diff --git a/locales/no/translation.json b/locales/no/translation.json
index 9e40b8cc..5899a916 100644
--- a/locales/no/translation.json
+++ b/locales/no/translation.json
@@ -18,7 +18,8 @@
       "cw": "Media hidden",
       "report": "Report {user}",
       "open_original": "Open original page"
-    }
+    },
+    "mark_as_read": "Mark as read"
   },
   "accounts": {
     "new": {
@@ -116,7 +117,8 @@
     "upload_error": "Failed to upload the file",
     "compose": {
       "post_failed": "Failed to post a status"
-    }
+    },
+    "failed_mark": "Failed to mark as read"
   },
   "profile": {
     "follow": "Follow",
diff --git a/locales/pt_pt/translation.json b/locales/pt_pt/translation.json
index 9e40b8cc..5899a916 100644
--- a/locales/pt_pt/translation.json
+++ b/locales/pt_pt/translation.json
@@ -18,7 +18,8 @@
       "cw": "Media hidden",
       "report": "Report {user}",
       "open_original": "Open original page"
-    }
+    },
+    "mark_as_read": "Mark as read"
   },
   "accounts": {
     "new": {
@@ -116,7 +117,8 @@
     "upload_error": "Failed to upload the file",
     "compose": {
       "post_failed": "Failed to post a status"
-    }
+    },
+    "failed_mark": "Failed to mark as read"
   },
   "profile": {
     "follow": "Follow",
diff --git a/locales/zh_cn/translation.json b/locales/zh_cn/translation.json
index 9e40b8cc..5899a916 100644
--- a/locales/zh_cn/translation.json
+++ b/locales/zh_cn/translation.json
@@ -18,7 +18,8 @@
       "cw": "Media hidden",
       "report": "Report {user}",
       "open_original": "Open original page"
-    }
+    },
+    "mark_as_read": "Mark as read"
   },
   "accounts": {
     "new": {
@@ -116,7 +117,8 @@
     "upload_error": "Failed to upload the file",
     "compose": {
       "post_failed": "Failed to post a status"
-    }
+    },
+    "failed_mark": "Failed to mark as read"
   },
   "profile": {
     "follow": "Follow",
diff --git a/locales/zh_tw/translation.json b/locales/zh_tw/translation.json
index 9e40b8cc..5899a916 100644
--- a/locales/zh_tw/translation.json
+++ b/locales/zh_tw/translation.json
@@ -18,7 +18,8 @@
       "cw": "Media hidden",
       "report": "Report {user}",
       "open_original": "Open original page"
-    }
+    },
+    "mark_as_read": "Mark as read"
   },
   "accounts": {
     "new": {
@@ -116,7 +117,8 @@
     "upload_error": "Failed to upload the file",
     "compose": {
       "post_failed": "Failed to post a status"
-    }
+    },
+    "failed_mark": "Failed to mark as read"
   },
   "profile": {
     "follow": "Follow",