diff --git a/src/i18n/lang/ja-JP.json b/src/i18n/lang/ja-JP.json
index 6d208f21d..906dd4178 100644
--- a/src/i18n/lang/ja-JP.json
+++ b/src/i18n/lang/ja-JP.json
@@ -6,7 +6,7 @@
     "welcomeEvening": "こんばんは、{username}さん",
     "lastViewed": "最近の表示",
     "addToHomeScreen": "Add this app to your home screen for faster access and improved experience.",
-    "goToOverview": "Go to overview",
+    "goToOverview": "概要に移動",
     "project": {
       "importText": "他のサービスからVikunjaにプロジェクトやタスクをインポートします:",
       "import": "Vikunjaへのデータのインポート"
@@ -150,8 +150,8 @@
         "title": "APIトークン",
         "general": "API tokens allow you to use Vikunja's API without user credentials.",
         "apiDocs": "Check out the api docs",
-        "createAToken": "Create a token",
-        "createToken": "Create token",
+        "createAToken": "トークンの生成",
+        "createToken": "トークンの生成",
         "30d": "30日",
         "60d": "60日",
         "90d": "90日",
@@ -161,7 +161,7 @@
         "tokenCreatedSuccess": "Here is your new api token: {token}",
         "tokenCreatedNotSeeAgain": "このトークンは二度と表示されません。安全な場所に保管してください。",
         "delete": {
-          "header": "Delete this token",
+          "header": "トークンの削除",
           "text1": "Are you sure you want to delete the token \"{token}\"?",
           "text2": "This will revoke access to all applications or integrations using it. You cannot undo this."
         },
@@ -343,7 +343,7 @@
       "defaultBucketHint": "When creating tasks without specifying a bucket, they will be added to this bucket.",
       "defaultBucketSavedSuccess": "The default bucket has been saved successfully.",
       "deleteLast": "You cannot remove the last bucket.",
-      "addTaskPlaceholder": "Enter the new task title…",
+      "addTaskPlaceholder": "新しいタスク名を入力…",
       "addTask": "タスクの追加",
       "addAnotherTask": "他のタスクを追加",
       "addBucket": "新しいバケットの作成",
@@ -351,7 +351,7 @@
       "deleteHeaderBucket": "バケットの削除",
       "deleteBucketText1": "このバケットを削除して本当によろしいですか？",
       "deleteBucketText2": "This will not delete any tasks but move them into the default bucket.",
-      "deleteBucketSuccess": "The bucket has been deleted successfully.",
+      "deleteBucketSuccess": "バケットは正常に削除されました。",
       "bucketTitleSavedSuccess": "The bucket title has been saved successfully.",
       "bucketLimitSavedSuccess": "The bucket limit been saved successfully.",
       "collapse": "Collapse this bucket"
@@ -362,15 +362,15 @@
       }
     },
     "webhooks": {
-      "title": "Webhooks",
+      "title": "Webhook",
       "targetUrl": "Target URL",
       "targetUrlInvalid": "Please provide a valid URL.",
       "events": "Events",
       "eventsHint": "Select all events this webhook should recieve updates for (within the current project).",
       "mustSelectEvents": "You must select at least one event.",
-      "delete": "Delete this webhook",
+      "delete": "Webhookの削除",
       "deleteText": "Are you sure you want to delete this webhook? External targets will not be notified of its events anymore.",
-      "deleteSuccess": "The webhook was successfully deleted.",
+      "deleteSuccess": "Webhookは正常に削除されました。",
       "create": "Create webhook",
       "secret": "Secret",
       "secretHint": "If provided, all requests to the webhook target URL will be signed using HMAC.",
@@ -527,48 +527,48 @@
       "bold": "太字",
       "italic": "斜体",
       "strikethrough": "打ち消し線",
-      "underline": "Underline",
+      "underline": "下線",
       "code": "コード",
       "codeTooltip": "Capture a code snippet.",
       "quote": "引用",
       "quoteTooltip": "Capture a quote.",
-      "bulletList": "Bullet list",
+      "bulletList": "順序なしリスト",
       "bulletListTooltip": "Create a simple bullet list.",
-      "unorderedList": "Unordered list",
-      "orderedList": "Ordered list",
+      "unorderedList": "順序なしリスト",
+      "orderedList": "順序付きリスト",
       "orderedListTooltip": "Create a list with numbering.",
       "cleanBlock": "Clean Block",
       "link": "リンク",
       "image": "画像",
       "imageTooltip": "Upload an image from your computer.",
       "table": {
-        "title": "Table",
-        "insert": "Insert table",
+        "title": "テーブル",
+        "insert": "テーブルの挿入",
         "addColumnBefore": "Add column before",
         "addColumnAfter": "Add column after",
-        "deleteColumn": "Delete column",
+        "deleteColumn": "列の削除",
         "addRowBefore": "Add row before",
         "addRowAfter": "Add row after",
-        "deleteRow": "Delete row",
-        "deleteTable": "Delete table",
-        "mergeCells": "Merge cells",
-        "splitCell": "Split cell",
+        "deleteRow": "行の削除",
+        "deleteTable": "テーブルの削除",
+        "mergeCells": "セルの統合",
+        "splitCell": "セルの分割",
         "toggleHeaderColumn": "Toggle header column",
         "toggleHeaderRow": "Toggle header row",
         "toggleHeaderCell": "Toggle header cell",
         "mergeOrSplit": "Merge or split",
-        "fixTables": "Fix tables"
+        "fixTables": "テーブルの修正"
       },
       "horizontalRule": "横罫",
       "horizontalRuleTooltip": "Divide a section.",
       "sideBySide": "Side By Side",
       "guide": "説明書",
-      "text": "Text",
+      "text": "テキスト",
       "textTooltip": "Just start typing with plain text.",
-      "taskList": "Task list",
+      "taskList": "タスクリスト",
       "taskListTooltip": "Track tasks with a to-do list.",
-      "undo": "Undo",
-      "redo": "Redo",
+      "undo": "元に戻す",
+      "redo": "やり直す",
       "placeholder": "Type some text or hit '/' to see more options…"
     },
     "multiselect": {
@@ -797,7 +797,7 @@
       "delete": "関連タスクの削除",
       "deleteText1": "この関連タスクを削除して本当によろしいですか？",
       "select": "Select a relation kind",
-      "taskRequired": "Please select a task or enter a new task title.",
+      "taskRequired": "タスクを選択するか、新しいタスク名を入力してください。",
       "kinds": {
         "subtask": "サブタスク",
         "parenttask": "親タスク",
@@ -844,7 +844,7 @@
       "title": "Quick Add Magic",
       "intro": "When creating a task, you can use special keywords to directly add attributes to the newly created task. This allows to add commonly used attributes to tasks much faster.",
       "multiple": "You can use this multiple times.",
-      "label1": "To add a label, simply prefix the name of the label with {prefix}.",
+      "label1": "ラベルを付けるには、ラベル名の前に {prefix} を入力します。",
       "label2": "Vikunja will first check if the label already exist and create it if not.",
       "label3": "To use spaces, simply add a \" or ' around the label name.",
       "label4": "For example: {prefix}\"Label with spaces\".",
@@ -894,7 +894,7 @@
         "header": "Remove a user from the team",
         "text1": "Are you sure you want to remove this user from the team?",
         "text2": "They will lose access to all projects this team has access to. This CANNOT BE UNDONE!",
-        "success": "The user was successfully deleted from the team."
+        "success": "ユーザーは正常にチームから削除されました。"
       },
       "leave": {
         "title": "Leave team",
@@ -998,7 +998,7 @@
     "tasks": "タスク",
     "projects": "プロジェクト",
     "teams": "チーム",
-    "labels": "Labels",
+    "labels": "ラベル",
     "newProject": "新しいプロジェクト名を入力…",
     "newTask": "新しいタスク名を入力…",
     "newTeam": "新しいチーム名を入力…",
@@ -1074,12 +1074,12 @@
     "8002": "そのラベルは存在しません。",
     "8003": "You do not have access to this label.",
     "9001": "The right is invalid.",
-    "10001": "The bucket does not exist.",
+    "10001": "そのバケットは存在しません。",
     "10002": "The bucket does not belong to that project.",
     "10003": "You cannot remove the last bucket on a project.",
     "10004": "You cannot add the task to this bucket as it already exceeded the limit of tasks it can hold.",
     "10005": "There can be only one done bucket per project.",
-    "11001": "The saved filter does not exist.",
+    "11001": "その絞り込み条件は存在しません。",
     "11002": "絞り込み条件はリンクの共有には使用できません。",
     "12001": "The subscription entity type is invalid.",
     "12002": "You are already subscribed to the entity itself or a parent entity.",