diff --git a/adminer/lang/ja.inc.php b/adminer/lang/ja.inc.php
index 99c78b7c..cc77a97e 100644
--- a/adminer/lang/ja.inc.php
+++ b/adminer/lang/ja.inc.php
@@ -11,7 +11,7 @@ Lang::$translations = array(
 	'Loaded plugins' => '読込済プラグイン',
 	'Thanks for using Adminer, consider <a href="https://www.adminer.org/en/donation/">donating</a>.' => 'Adminerのご利用ありがとうございました。(寄付は<a href="https://www.adminer.org/en/donation/">こちら</a>)',
 	'%s must <a%s>return an array</a>.' => '%s は<a%s>配列を返す</a>必要があります。',
-	'<a%s>Configure</a> %s in %s.' => '%2$s の %1$s <a%s>を設定してください</a>。',
+	'<a%s>Configure</a> %s in %s.' => '%2$s の %1$s を<a%s>設定</a>してください。',
 	'There is a space in the input password which might be the cause.' => '入力されたパスワードに空白が含まれているので、それが原因かもしれません。',
 	'Adminer does not support accessing a database without a password, <a href="https://www.adminer.org/en/password/"%s>more information</a>.' => 'Adminer はパスワードのないデータベースへの接続には対応していません。(<a href="https://www.adminer.org/en/password/"%s>詳細</a>)',
 	'Database does not support password.' => 'データベースがパスワードに対応していません。',
@@ -107,8 +107,8 @@ Lang::$translations = array(
 	'Foreign key has been dropped.' => '外部キーを削除しました。',
 	'Foreign key has been altered.' => '外部キーを変更しました。',
 	'Foreign key has been created.' => '外部キーを作成しました。',
-	'Foreign key' => '外キー',
-	'Target table' => 'テーブル',
+	'Foreign key' => '外部キー',
+	'Target table' => '対象テーブル',
 	'Change' => '変更',
 	'Source' => 'ソース',
 	'Target' => 'ターゲット',
@@ -158,6 +158,7 @@ Lang::$translations = array(
 	'User has been created.' => 'ユーザを作成しました。',
 	'Hashed' => 'Hashed',
 	'Column' => '列',
+	'Columns' => '列',
 	'Routine' => 'ルーチン',
 	'Grant' => '権限の付与',
 	'Revoke' => '権限の取消し',
@@ -307,6 +308,8 @@ Lang::$translations = array(
 	'Check has been created.' => 'チェックを作成しました。',
 	'Check has been altered.' => 'チェックを変更しました。',
 	'Check has been dropped.' => 'チェックを削除しました。',
+
+	'screenshot' => 'スクリーンショット',
 );
 
 // run `php ../../lang.php ja` to update this file
diff --git a/plugins/adminer.js.php b/plugins/adminer.js.php
index ac73081c..64cda944 100644
--- a/plugins/adminer.js.php
+++ b/plugins/adminer.js.php
@@ -22,5 +22,6 @@ class AdminerDotJs extends Adminer\Plugin {
 		'de' => array('' => 'Laden Sie adminer.js'),
 		'pl' => array('' => 'Wczytuj adminer.js'),
 		'ro' => array('' => 'Încarcă adminer.js'),
+		'ja' => array('' => 'adminer.js を読込み'),
 	);
 }
diff --git a/plugins/backward-keys.php b/plugins/backward-keys.php
index ace9cc5b..72f11481 100644
--- a/plugins/backward-keys.php
+++ b/plugins/backward-keys.php
@@ -58,5 +58,6 @@ ORDER BY ORDINAL_POSITION", null, "") as $row
 
 	protected $translations = array(
 		'cs' => array('' => 'Zobrazí odkazy na tabulky odkazující aktuální řádek, stejně jako Adminer Editor'),
+		'ja' => array('' => 'Adminer Editor と同様に、カレント行を参照しているテーブルへのリンクを表示'),
 	);
 }
diff --git a/plugins/before-unload.php b/plugins/before-unload.php
index ec9bf7b6..e07e5961 100644
--- a/plugins/before-unload.php
+++ b/plugins/before-unload.php
@@ -33,5 +33,6 @@ onbeforeunload = () => editChanged;
 
 	protected $translations = array(
 		'cs' => array('' => 'Zobrazí potvrzení před odnahráním stránky, pokud bylo změněno formulářové políčko'),
+		'ja' => array('' => 'フォームの列が変更された時、ページを再読込みする前に確認を表示'),
 	);
 }
diff --git a/plugins/codemirror.php b/plugins/codemirror.php
index b2f435ed..faa7dcb2 100644
--- a/plugins/codemirror.php
+++ b/plugins/codemirror.php
@@ -104,5 +104,6 @@ addEventListener('DOMContentLoaded', () => {
 
 	protected $translations = array(
 		'cs' => array('' => 'Použít CodeMirror 5 pro zvýrazňování syntaxe a <textarea> včetně našeptávání klíčových slov  a tabulek'),
+		'ja' => array('' => 'CodeMirror 5 を用い、キーワードやテーブルを含む構文や <textarea> を強調表示'),
 	);
 }
diff --git a/plugins/config.php b/plugins/config.php
index 23f44c22..9b71be9d 100644
--- a/plugins/config.php
+++ b/plugins/config.php
@@ -86,5 +86,14 @@ class AdminerConfig extends Adminer\Plugin {
 			'Use %s if exists' => '%s verwenden, falls vorhanden',
 			'Use builtin design' => 'Standard Design verwenden',
 		),
+		'ja' => array(
+			'' => 'ユーザオプションを設定し cookie に保存',
+			'Configuration' => '設定',
+			'Configuration saved.' => '設定を保存しました。',
+			'Only some plugins support configuration, e.g. %s.' => '設定変更に対応しているのは一部のプラグインのみです。例: %s。',
+			'Design' => 'デザイン',
+			'Use %s if exists' => 'あれば %s を使う',
+			'Use builtin design' => '組込みのデザインを使う',
+		),
 	);
 }
diff --git a/plugins/dark-switcher.php b/plugins/dark-switcher.php
index 41c53bee..33e21953 100644
--- a/plugins/dark-switcher.php
+++ b/plugins/dark-switcher.php
@@ -45,5 +45,6 @@ if (saved) {
 
 	protected $translations = array(
 		'cs' => array('' => 'Dovoluje přepínání světlého a tmavého vzhledu'),
+		'ja' => array('' => 'ダークモードへの切替え'),
 	);
 }
diff --git a/plugins/database-hide.php b/plugins/database-hide.php
index c026833d..bc116881 100644
--- a/plugins/database-hide.php
+++ b/plugins/database-hide.php
@@ -31,5 +31,6 @@ class AdminerDatabaseHide extends Adminer\Plugin {
 		'de' => array('' => 'Verstecken Sie einige Datenbanken vor der Benutzeroberfläche – nur um das Design zu verbessern, verbessert nicht die Sicherheit.'),
 		'pl' => array('' => 'Ukryj niektóre bazy danych w interfejsie – tylko po to, aby ulepszyć motyw, a nie wtyczkę zabezpieczającą'),
 		'ro' => array('' => 'Ascundeți unele baze de date din interfață - doar pentru a îmbunătăți designul, nu un plugin de securitate'),
+		'ja' => array('' => '一部データベースを UI 上で表示禁止 (デザイン的な効果のみでセキュリティ的には効果なし)'),
 	);
 }
diff --git a/plugins/designs.php b/plugins/designs.php
index eed7a2cb..8b93ad3a 100644
--- a/plugins/designs.php
+++ b/plugins/designs.php
@@ -48,5 +48,6 @@ class AdminerDesigns extends Adminer\Plugin {
 		'de' => array('' => 'Designwechsel ermöglichen'),
 		'pl' => array('' => 'Zezwalaj na przełączanie motywów'),
 		'ro' => array('' => 'Permiteți comutarea designurilor'),
+		'ja' => array('' => 'テーマ設定を有効化'),
 	);
 }
diff --git a/plugins/dump-alter.php b/plugins/dump-alter.php
index 5e360561..6b6a3a8a 100644
--- a/plugins/dump-alter.php
+++ b/plugins/dump-alter.php
@@ -173,5 +173,6 @@ DROP PROCEDURE adminer_alter;
 		'de' => array('' => 'Exportiert eine Datenbank (z. B. Entwicklung), damit sie mit einer anderen Datenbank (z. B. Produktion) synchronisiert werden kann.'),
 		'pl' => array('' => 'Eksportuje jedną bazę danych (np. programistyczną), aby można ją było zsynchronizować z inną bazą danych (np. produkcyjną)'),
 		'ro' => array('' => 'Exportați o bază de date (de exemplu, development) astfel încât să poată fi sincronizată cu o altă bază de date (de exemplu, de producție)'),
+		'ja' => array('' => 'データベース (開発用など) をエクスポートし、別のデータベース (本番用など) と同期'),
 	);
 }
diff --git a/plugins/dump-bz2.php b/plugins/dump-bz2.php
index 2683ae95..27ead95f 100644
--- a/plugins/dump-bz2.php
+++ b/plugins/dump-bz2.php
@@ -42,5 +42,6 @@ class AdminerDumpBz2 extends Adminer\Plugin {
 		'de' => array('' => 'Export im Bzip2-Format'),
 		'pl' => array('' => 'Zrzuć do formatu Bzip2'),
 		'ro' => array('' => 'Dump în format Bzip2'),
+		'ja' => array('' => 'Bzip2 形式でエクスポート'),
 	);
 }
diff --git a/plugins/dump-date.php b/plugins/dump-date.php
index 64a5521e..af2a74fc 100644
--- a/plugins/dump-date.php
+++ b/plugins/dump-date.php
@@ -17,5 +17,6 @@ class AdminerDumpDate extends Adminer\Plugin {
 		'de' => array('' => 'Aktuelle Datum und die aktuelle Uhrzeit in den Namen der Exportdatei einfügen'),
 		'pl' => array('' => 'Dołącz bieżącą datę i godzinę do nazwy pliku eksportu'),
 		'ro' => array('' => 'Includeți data și ora curentă în numele fișierului de export'),
+		'ja' => array('' => 'エクスポートファイル名に現在日時を含める'),
 	);
 }
diff --git a/plugins/dump-json.php b/plugins/dump-json.php
index 68d9a2a8..8ae4108d 100644
--- a/plugins/dump-json.php
+++ b/plugins/dump-json.php
@@ -63,5 +63,6 @@ class AdminerDumpJson extends Adminer\Plugin {
 		'de' => array('' => 'Export im JSON-Format'),
 		'pl' => array('' => 'Zrzuć do formatu JSON'),
 		'ro' => array('' => 'Dump în format JSON'),
+		'ja' => array('' => 'JSON 形式でエクスポート'),
 	);
 }
diff --git a/plugins/dump-php.php b/plugins/dump-php.php
index c5d9072e..1a9b7e5b 100644
--- a/plugins/dump-php.php
+++ b/plugins/dump-php.php
@@ -51,5 +51,6 @@ class AdminerDumpPhp extends Adminer\Plugin {
 		'de' => array('' => 'Export im PHP-Format'),
 		'pl' => array('' => 'Zrzucaj do formatu PHP'),
 		'ro' => array('' => 'Dump în format PHP'),
+		'ja' => array('' => 'PHP 形式でエクスポート'),
 	);
 }
diff --git a/plugins/dump-xml.php b/plugins/dump-xml.php
index b75b1533..617e3f99 100644
--- a/plugins/dump-xml.php
+++ b/plugins/dump-xml.php
@@ -57,5 +57,6 @@ class AdminerDumpXml extends Adminer\Plugin {
 		'de' => array('' => 'Export im XML-Format in der Struktur <database name="><table name=""><column name="">value'),
 		'pl' => array('' => 'Zrzut do formatu XML w strukturze <database name=""><table name=""><column name="">value'),
 		'ro' => array('' => 'Dump în format XML în structura <database name=""><table name=""><column name="">value.'),
+		'ja' => array('' => '構造化 XML 形式でエクスポート <database name=""><table name=""><column name="">value'),
 	);
 }
diff --git a/plugins/dump-zip.php b/plugins/dump-zip.php
index ffa5296c..46c3d7c7 100644
--- a/plugins/dump-zip.php
+++ b/plugins/dump-zip.php
@@ -46,5 +46,6 @@ class AdminerDumpZip extends Adminer\Plugin {
 		'de' => array('' => 'Export Im ZIP-Format'),
 		'pl' => array('' => 'Zrzuć do formatu ZIP'),
 		'ro' => array('' => 'Dump în format ZIP'),
+		'ja' => array('' => 'ZIP 形式でエクスポート'),
 	);
 }
diff --git a/plugins/edit-calendar.php b/plugins/edit-calendar.php
index 11125dde..ef580c09 100644
--- a/plugins/edit-calendar.php
+++ b/plugins/edit-calendar.php
@@ -56,5 +56,6 @@ class AdminerEditCalendar extends Adminer\Plugin {
 		'de' => array('' => 'Zeigen Sie die jQuery-UI Timepicker für jedes Datums- und Datum/Uhrzeit-Feld an'),
 		'pl' => array('' => 'Wyświetl interfejs jQuery Timepicker dla każdego pola daty i godziny'),
 		'ro' => array('' => 'Afișați jQuery UI Timepicker pentru fiecare câmp de dată și dată-timp'),
+		'ja' => array('' => '各日時列に jQuery UI の Timepicker を表示'),
 	);
 }
diff --git a/plugins/edit-foreign.php b/plugins/edit-foreign.php
index 5246509b..3d5574b4 100644
--- a/plugins/edit-foreign.php
+++ b/plugins/edit-foreign.php
@@ -45,5 +45,6 @@ class AdminerEditForeign extends Adminer\Plugin {
 		'de' => array('' => 'Wählen Sie im Bearbeitungsformular den Fremdschlüssel aus'),
 		'pl' => array('' => 'Wybierz klucz obcy w formularzu edycji'),
 		'ro' => array('' => 'Selectați cheia străină în formularul de editare'),
+		'ja' => array('' => '外部キーを編集フォームで選択'),
 	);
 }
diff --git a/plugins/edit-textarea.php b/plugins/edit-textarea.php
index f597c1c7..4f028125 100644
--- a/plugins/edit-textarea.php
+++ b/plugins/edit-textarea.php
@@ -19,5 +19,6 @@ class AdminerEditTextarea extends Adminer\Plugin {
 		'de' => array('' => 'Verwenden Sie <textarea> für char und varchar Felder'),
 		'pl' => array('' => 'Użyj <textarea> dla char i varchar'),
 		'ro' => array('' => 'Utilizați <textarea> pentru char și varchar.'),
+		'ja' => array('' => 'char や varchar に <textarea> を使用'),
 	);
 }
diff --git a/plugins/editor-setup.php b/plugins/editor-setup.php
index da4f6db2..8c40945f 100644
--- a/plugins/editor-setup.php
+++ b/plugins/editor-setup.php
@@ -40,5 +40,6 @@ class AdminerEditorSetup extends Adminer\Plugin {
 
 	protected $translations = array(
 		'cs' => array('' => 'Nastavit ovladač, server a databázi pro použití s Adminer Editorem'),
+		'ja' => array('' => 'Adminer Editor で使用するドライバ、サーバ、データベースを設定'),
 	);
 }
diff --git a/plugins/editor-views.php b/plugins/editor-views.php
index 9cd5c9ff..bcf0c676 100644
--- a/plugins/editor-views.php
+++ b/plugins/editor-views.php
@@ -17,5 +17,6 @@ class AdminerEditorViews extends Adminer\Plugin {
 		'de' => array('' => 'Views im Adminer Editor anzeigen'),
 		'pl' => array('' => 'Wyświetlaj widoki w Adminer Editorze'),
 		'ro' => array('' => 'Afișează vizualizări în Adminer Editor'),
+		'ja' => array('' => 'Adminer Editor にビューを表示'),
 	);
 }
diff --git a/plugins/email-table.php b/plugins/email-table.php
index e576fe38..235fc634 100644
--- a/plugins/email-table.php
+++ b/plugins/email-table.php
@@ -60,5 +60,6 @@ class AdminerEmailTable extends Adminer\Plugin {
 		'de' => array('' => 'E-Mail-Betreff und Nachricht aus der Datenbank abrufen (Adminer Editor)'),
 		'pl' => array('' => 'Pobieraj temat i wiadomość e-mail z bazy danych (Adminer Editor)'),
 		'ro' => array('' => 'Obțineți subiectul e-mailului și mesajul din baza de date (Adminer Editor)'),
+		'ja' => array('' => 'メールの件名と本文をデータベースから取得 (Adminer Editor)'),
 	);
 }
diff --git a/plugins/enum-option.php b/plugins/enum-option.php
index 1b1e96db..99154eaa 100644
--- a/plugins/enum-option.php
+++ b/plugins/enum-option.php
@@ -38,5 +38,6 @@ class AdminerEnumOption extends Adminer\Plugin {
 		'de' => array('' => 'Verwenden Sie <select><option> für die enum-Bearbeitung anstelle von <input type="radio">'),
 		'pl' => array('' => 'Użyj <select><option> do edycji enum zamiast <input type="radio">'),
 		'ro' => array('' => 'Utilizați <select><option> pentru editarea enum în loc de <input type="radio">.'),
+		'ja' => array('' => '列挙型の編集に <input type="radio"> ではなく <select><option> を使用'),
 	);
 }
diff --git a/plugins/file-upload.php b/plugins/file-upload.php
index 70216d0f..b9e0fddc 100644
--- a/plugins/file-upload.php
+++ b/plugins/file-upload.php
@@ -54,5 +54,6 @@ class AdminerFileUpload extends Adminer\Plugin {
 		'de' => array('' => 'Bearbeiten Sie Felder, die mit "_path" enden, um <input type="file"> und verknüpfen Sie sie mit den hochgeladenen Dateien beim Select'),
 		'pl' => array('' => 'Edytuj pola kończące się na "_path" za pomocą <input type="file"> i link do przesłanych plików z wybierz'),
 		'ro' => array('' => 'Modificați câmpurile care se termină cu "_path" prin <input type="file"> și creați un link către fișierele încărcate din select'),
+		'ja' => array('' => '列名が "_path" で終わる列を <input type="file"> で変更し、"選択" からアップロードされたファイルにリンク'),
 	);
 }
diff --git a/plugins/foreign-system.php b/plugins/foreign-system.php
index c10a25e0..fc26f221 100644
--- a/plugins/foreign-system.php
+++ b/plugins/foreign-system.php
@@ -111,5 +111,6 @@ class AdminerForeignSystem extends Adminer\Plugin {
 		'de' => array('' => 'Verknüpfen Sie Systemtabellen (in "mysql"- und "information_schema"-Datenbanken) durch Fremdschlüssel'),
 		'pl' => array('' => 'Połącz tabele systemowe (w bazach danych "mysql" i "information_schema") za pomocą kluczy obcych'),
 		'ro' => array('' => 'Conectați tabelele de sistem (în bazele de date "mysql" și "information_schema") prin chei străine'),
+		'ja' => array('' => 'システムテーブル ("mysql" と "information_schema") を外部キーを用いて接続'),
 	);
 }
diff --git a/plugins/frames.php b/plugins/frames.php
index 5c91d328..9251ede2 100644
--- a/plugins/frames.php
+++ b/plugins/frames.php
@@ -29,5 +29,6 @@ class AdminerFrames extends Adminer\Plugin {
 		'de' => array('' => 'Erlauben Sie die Verwendung von Adminer innerhalb eines Frames'),
 		'pl' => array('' => 'Zezwalaj na używanie Adminera wewnątrz ramki'),
 		'ro' => array('' => 'Permiteți utilizarea Adminer în interiorul unui cadru'),
+		'ja' => array('' => 'フレーム内での Adminer 利用を許可'),
 	);
 }
diff --git a/plugins/json-column.php b/plugins/json-column.php
index 81d0cc81..76d3a400 100644
--- a/plugins/json-column.php
+++ b/plugins/json-column.php
@@ -51,5 +51,6 @@ class AdminerJsonColumn extends Adminer\Plugin {
 		'de' => array('' => 'Zeigen Sie JSON-Werte als Tabelle in der Bearbeitung an'),
 		'pl' => array('' => 'Wyświetl wartości JSON jako tabelę w edycji'),
 		'ro' => array('' => 'Afișează valorile JSON sub formă de tabel în editare'),
+		'ja' => array('' => 'JSON 値をテーブルとして編集画面に表示'),
 	);
 }
diff --git a/plugins/login-ip.php b/plugins/login-ip.php
index 278a93f9..a9b110cc 100644
--- a/plugins/login-ip.php
+++ b/plugins/login-ip.php
@@ -41,5 +41,6 @@ class AdminerLoginIp extends Adminer\Plugin {
 		'de' => array('' => 'Überprüft die IP-Adresse und lässt ein leeres Passwort zu'),
 		'pl' => array('' => 'Sprawdzaj adres IP i zezwakaj na puste hasło'),
 		'ro' => array('' => 'Verificați adresa IP și permiteți parola goală'),
+		'ja' => array('' => 'IP アドレスの確認、及び空パスワードの許可'),
 	);
 }
diff --git a/plugins/login-otp.php b/plugins/login-otp.php
index c21098f4..a46bfac8 100644
--- a/plugins/login-otp.php
+++ b/plugins/login-otp.php
@@ -60,5 +60,6 @@ class AdminerLoginOtp extends Adminer\Plugin {
 		'de' => array('' => 'Bei der Anmeldung ist ein Einmalpasswort (Zwei-Faktor-Authentifizierung) erforderlich'),
 		'pl' => array('' => 'Wymagaj jednorazowego hasła przy logowaniu'),
 		'ro' => array('' => 'Cereți o parolă unică la autentificare'),
+		'ja' => array('' => 'ログイン時にワンタイムパスワード (二要素認証) が必要'),
 	);
 }
diff --git a/plugins/login-password-less.php b/plugins/login-password-less.php
index 01b6d3ad..f6d24ab3 100644
--- a/plugins/login-password-less.php
+++ b/plugins/login-password-less.php
@@ -32,5 +32,6 @@ class AdminerLoginPasswordLess extends Adminer\Plugin {
 		'de' => array('' => 'Ermöglicht die Anmeldung ohne Passwort'),
 		'pl' => array('' => 'Włącz logowanie bez hasła'),
 		'ro' => array('' => 'Activați autentificarea fără parolă'),
+		'ja' => array('' => 'パスワードなしのログインを許可'),
 	);
 }
diff --git a/plugins/login-servers.php b/plugins/login-servers.php
index 46454189..7661e135 100644
--- a/plugins/login-servers.php
+++ b/plugins/login-servers.php
@@ -43,5 +43,6 @@ class AdminerLoginServers extends Adminer\Plugin {
 		'de' => array('' => 'Anzeige einer konstanten Serverliste im Anmeldeformular'),
 		'pl' => array('' => 'Wyświetlaj stałą listę serwerów w formularzu logowania'),
 		'ro' => array('' => 'Afișarea unei liste constante de servere în formularul de conectare'),
+		'ja' => array('' => 'ログイン画面に定義済のサーバリストを表示'),
 	);
 }
diff --git a/plugins/login-ssl.php b/plugins/login-ssl.php
index 016a722e..63f533c4 100644
--- a/plugins/login-ssl.php
+++ b/plugins/login-ssl.php
@@ -27,5 +27,6 @@ class AdminerLoginSsl extends Adminer\Plugin {
 		'de' => array('' => 'Stellen Sie eine Verbindung zu MySQL, PostgreSQL, MS SQL über SSL her'),
 		'pl' => array('' => 'Połącz się z MySQL, PostgreSQL, MS SQL za pomocą protokołu SSL'),
 		'ro' => array('' => 'Conectați-vă la MySQL, PostgreSQL, MS SQL utilizând SSL'),
+		'ja' => array('' => 'MySQL, PostgreSQL, MS SQL への接続時に SSL を利用'),
 	);
 }
diff --git a/plugins/login-table.php b/plugins/login-table.php
index b8355335..17787bc8 100644
--- a/plugins/login-table.php
+++ b/plugins/login-table.php
@@ -32,5 +32,6 @@ class AdminerLoginTable extends Adminer\Plugin {
 		'de' => array('' => 'Authentifizieren Sie einen Benutzer über die Tabelle "login'),
 		'pl' => array('' => 'Uwierzytelnij użytkownika z tabeli "login'),
 		'ro' => array('' => 'Autentificați un utilizator din tabelul "login".'),
+		'ja' => array('' => '"login" テーブルによるユーザ認証'),
 	);
 }
diff --git a/plugins/master-slave.php b/plugins/master-slave.php
index 25735958..37778e85 100644
--- a/plugins/master-slave.php
+++ b/plugins/master-slave.php
@@ -43,5 +43,6 @@ class AdminerMasterSlave extends Adminer\Plugin {
 		'de' => array('' => 'Schreibvorgänge auf dem Master und Lesevorgänge auf dem Slave ausführen'),
 		'pl' => array('' => 'Wykonuje zapisy na komputerze głównym i odczyty na komputerze podrzędnym'),
 		'ro' => array('' => 'Executarea scrierilor pe master și a citirilor pe slave'),
+		'ja' => array('' => 'マスタ書込みとスレーブ読込みの有効化'),
 	);
 }
diff --git a/plugins/menu-links.php b/plugins/menu-links.php
index d0cb2bfd..c999dc6d 100644
--- a/plugins/menu-links.php
+++ b/plugins/menu-links.php
@@ -88,5 +88,11 @@ class AdminerMenuLinks extends Adminer\Plugin {
 			'Auto (select on select page, structure otherwise)' => 'Auto (Auswahl auf der ausgewählten Seite, sonst Struktur)',
 			'Menu table links' => 'Links verwenden in „Tabelle“',
 		),
+		'ja' => array(
+			'' => 'メニュー内テーブルへのリンク設定; AdminerConfig との併用可',
+			'Both' => '両方',
+			'Auto (select on select page, structure otherwise)' => '自動 (選択ページでは選択、それ以外では構造)',
+			'Menu table links' => 'メニューテーブルへのリンク',
+		),
 	);
 }
diff --git a/plugins/monaco.php b/plugins/monaco.php
index 9ae50811..b9afecce 100644
--- a/plugins/monaco.php
+++ b/plugins/monaco.php
@@ -74,5 +74,6 @@ addEventListener('DOMContentLoaded', () => {
 
 	protected $translations = array(
 		'cs' => array('' => 'Použije Monaco Editor z VS Code pro zvýrazňování syntaxe a <textarea>'),
+		'ja' => array('' => '構文や <textarea> の強調表示に VS Code の Monaco Editor を使用'),
 	);
 }
diff --git a/plugins/pretty-json-column.php b/plugins/pretty-json-column.php
index 63e51f94..a7bbade2 100644
--- a/plugins/pretty-json-column.php
+++ b/plugins/pretty-json-column.php
@@ -36,5 +36,6 @@ class AdminerPrettyJsonColumn extends Adminer\Plugin {
 		'de' => array('' => 'JSON-Werte in der Bearbeitung hübsch drucken'),
 		'pl' => array('' => 'Ładnie drukuj wartości JSON w edycji'),
 		'ro' => array('' => 'Afisare frumoasa a valorilor JSON în editare'),
+		'ja' => array('' => '編集時に JSON 文字列を見易く表示'),
 	);
 }
diff --git a/plugins/prism.php b/plugins/prism.php
index d251b582..37047d4c 100644
--- a/plugins/prism.php
+++ b/plugins/prism.php
@@ -62,5 +62,6 @@ if (el) {
 
 	protected $translations = array(
 		'cs' => array('' => 'Použije Prism Code Editor pro zvýrazňování syntaxe a <textarea>'),
+		'ja' => array('' => '構文や <textarea> の強調表示に Prism Code Editor を使用'),
 	);
 }
diff --git a/plugins/select-email.php b/plugins/select-email.php
index 91cf2d27..5fd3b821 100644
--- a/plugins/select-email.php
+++ b/plugins/select-email.php
@@ -121,7 +121,7 @@ class AdminerSelectEmail extends Adminer\Plugin {
 		'hu' => array('E-mail' => 'E-mail', 'From' => 'Feladó', 'Subject' => 'Tárgy', 'Send' => 'Küldés', '%d e-mail(s) have been sent.' => array('%d e-mail elküldve.', '%d e-mail elküldve.', '%d e-mail elküldve.'), 'Attachments' => 'Csatolmány'),
 		'id' => array('E-mail' => 'Surel', 'From' => 'Dari', 'Subject' => 'Judul', 'Attachments' => 'Lampiran', 'Send' => 'Kirim', '%d e-mail(s) have been sent.' => '%d surel berhasil dikirim.'),
 		'it' => array('E-mail' => 'E-mail', 'From' => 'Da', 'Subject' => 'Oggetto', 'Send' => 'Invia', '%d e-mail(s) have been sent.' => array('%d e-mail inviata.', '%d e-mail inviate.'), 'Attachments' => 'Allegati'),
-		'ja' => array('E-mail' => 'メール', 'From' => '差出人', 'Subject' => '題名', 'Send' => '送信', '%d e-mail(s) have been sent.' => '%d メールを送信しました。', 'Attachments' => '添付ファイル'),
+		'ja' => array('' => 'テーブルに含まれるアドレスにメールを送信', 'E-mail' => 'メール', 'From' => '差出人', 'Subject' => '題名', 'Send' => '送信', '%d e-mail(s) have been sent.' => '%d メールを送信しました。', 'Attachments' => '添付ファイル'),
 		'ka' => array('E-mail' => 'ელ. ფოსტა', 'From' => 'ავტორი:', 'Subject' => 'თემა', 'Send' => 'გაგზავნა', '%d e-mail(s) have been sent.' => 'გაიგზავნა %d წერილი.', 'Attachments' => 'მიმაგრებული ფაილები'),
 		'ko' => array('%d e-mail(s) have been sent.' => '%d개 메일을 보냈습니다.', 'Attachments' => '첨부 파일', 'E-mail' => '메일', 'From' => '보낸 사람', 'Send' => '보내기', 'Subject' => '제목'),
 		'lt' => array('E-mail' => 'El. paštas', 'From' => 'Nuo', 'Subject' => 'Antraštė', 'Attachments' => 'Priedai', 'Send' => 'Siųsti', '%d e-mail(s) have been sent.' => array('Išsiųstas %d laiškas.', 'Išsiųsti %d laiškai.', 'Išsiųsta %d laiškų.')),
diff --git a/plugins/slugify.php b/plugins/slugify.php
index ab9b9468..a21ff1e5 100644
--- a/plugins/slugify.php
+++ b/plugins/slugify.php
@@ -52,5 +52,6 @@ class AdminerSlugify extends Adminer\Plugin {
 		'de' => array('' => 'Feld, das "_slug" enthält, mit dem Slugified-Wert eines vorherigen Felds vorab füllen (JavaScript)'),
 		'pl' => array('' => 'Wstępnie wypełnij pole zawierające "_slug" osłabioną wartością poprzedniego pola (JavaScript)'),
 		'ro' => array('' => 'Precompletați câmpul care conține "_slug" cu valoarea slugificată a unui câmp anterior (JavaScript)'),
+		'ja' => array('' => '列名に "_slug" を含む列を、前列の URL 化された値でプレフィル (JavaScript)'),
 	);
 }
diff --git a/plugins/sql-gemini.php b/plugins/sql-gemini.php
index 9575f129..7cda540f 100644
--- a/plugins/sql-gemini.php
+++ b/plugins/sql-gemini.php
@@ -110,5 +110,10 @@ geminiText.onkeydown = event => {
 			'Ask Gemini' => 'Gemini fragen',
 			'Just a sec...' => 'Einen Moment...',
 		),
+		'ja' => array(
+			'' => 'Google Gemini AI を用いて SQL 文を生成',
+			'Ask Gemini' => 'Gemini に聞く',
+			'Just a sec...' => 'しばらくお待ち下さい...',
+		),
 	);
 }
diff --git a/plugins/sql-log.php b/plugins/sql-log.php
index 93d7bf58..2b8aedb5 100644
--- a/plugins/sql-log.php
+++ b/plugins/sql-log.php
@@ -41,5 +41,6 @@ class AdminerSqlLog extends Adminer\Plugin {
 		'de' => array('' => 'Protokollieren Sie alle Abfragen in einer SQL-Datei'),
 		'pl' => array('' => 'Rejestruj wszystkie zapytania do pliku SQL'),
 		'ro' => array('' => 'Logați toate interogările în fișierul SQL'),
+		'ja' => array('' => '全クエリを SQL ファイルに記録'),
 	);
 }
diff --git a/plugins/table-indexes-structure.php b/plugins/table-indexes-structure.php
index ef551f06..265260ab 100644
--- a/plugins/table-indexes-structure.php
+++ b/plugins/table-indexes-structure.php
@@ -35,5 +35,6 @@ class AdminerTableIndexesStructure extends Adminer\Plugin {
 		'de' => array('' => 'Erweiterte Ausgabe der Tabellenindize'),
 		'pl' => array('' => 'Rozszerzona tabela wyników struktury indeksów'),
 		'ro' => array('' => 'Ieșirea expandată a structurii indecsilor tabelului'),
+		'ja' => array('' => 'テーブルのインデックス構造を拡張表示'),
 	);
 }
diff --git a/plugins/table-structure.php b/plugins/table-structure.php
index f517b618..69eb286b 100644
--- a/plugins/table-structure.php
+++ b/plugins/table-structure.php
@@ -43,5 +43,6 @@ class AdminerTableStructure extends Adminer\Plugin {
 		'de' => array('' => 'Erweiterte Ausgabe der Tabellenstruktur'),
 		'pl' => array('' => 'Rozszerzone wyjście struktury tabeli'),
 		'ro' => array('' => 'Ieșirea expandată a structurii tabelei'),
+		'ja' => array('' => 'テーブル構造を拡張表示'),
 	);
 }
diff --git a/plugins/tables-filter.php b/plugins/tables-filter.php
index 040dfe21..d0dd06f0 100644
--- a/plugins/tables-filter.php
+++ b/plugins/tables-filter.php
@@ -73,5 +73,6 @@ sessionStorage && document.addEventListener('DOMContentLoaded', () => {
 		'de' => array('' => 'Filtern Sie Namen in der Tabellenliste'),
 		'pl' => array('' => 'Filtruj nazwy na liście tabel'),
 		'ro' => array('' => 'Nume de filtre în lista de tabele'),
+		'ja' => array('' => 'テーブル一覧をテーブル名でフィルタリング'),
 	);
 }
diff --git a/plugins/tinymce.php b/plugins/tinymce.php
index 7b91083a..d451d361 100644
--- a/plugins/tinymce.php
+++ b/plugins/tinymce.php
@@ -72,5 +72,6 @@ qs('#form').onsubmit = () => {
 		'de' => array('' => 'Bearbeiten Sie alle Felder, die "_html" enthalten, mit dem HTML-Editor TinyMCE und zeigen Sie den HTML-Code in Select an'),
 		'pl' => array('' => 'Edytuj wszystkie pola zawierające "_html" za pomocą edytora HTML TinyMCE i wyświetl kod HTML w wybranych'),
 		'ro' => array('' => 'Editați toate câmpurile care conțin "_html" cu ajutorul editorului HTML TinyMCE și afișați HTML-ul în select'),
+		'ja' => array('' => '列名が "_html" を含む列を TinyMCE の HTML エディタで編集し、編集結果の HTML コードを "選択" 画面に表示'),
 	);
 }
diff --git a/plugins/translation.php b/plugins/translation.php
index f126a7c0..dfde3771 100644
--- a/plugins/translation.php
+++ b/plugins/translation.php
@@ -56,5 +56,6 @@ class AdminerTranslation extends Adminer\Plugin {
 		'de' => array('' => 'Übersetzen Sie alle Tabellen- und Feldkommentare, enum- und set-Werte aus der "translation"-Tabelle (fügt automatisch neue Übersetzungen ein)'),
 		'pl' => array('' => 'Przetłumacz wszystkie komentarze do tabeli i pól, wartości enum i set z tabeli "translation" (automatycznie wstawia nowe tłumaczenia)'),
 		'ro' => array('' => 'Traduceți toate comentariile tabelelor și câmpurilor, valorile enum și set din tabelul "translation" (inserează automat noi traduceri)'),
+		'ja' => array('' => 'テーブル "translation" を用いてすべてのテーブルや列のコメント、列挙型、セット値を翻訳 (自動的に翻訳文で更新)'),
 	);
 }
diff --git a/plugins/version-github.php b/plugins/version-github.php
index 9b57e000..79b09406 100644
--- a/plugins/version-github.php
+++ b/plugins/version-github.php
@@ -32,5 +32,6 @@ verifyVersion = (current, url, token) => {
 
 	protected $translations = array(
 		'cs' => array('' => 'Kontrola nových verzí z GitHubu'),
+		'ja' => array('' => 'GitHub の新版を管理'),
 	);
 }
diff --git a/plugins/version-noverify.php b/plugins/version-noverify.php
index b46bfbe3..1bfe57e0 100644
--- a/plugins/version-noverify.php
+++ b/plugins/version-noverify.php
@@ -17,5 +17,6 @@ class AdminerVersionNoverify extends Adminer\Plugin {
 		'de' => array('' => 'Deaktivieren Sie die Versionsprüfung'),
 		'pl' => array('' => 'Wyłącz sprawdzanie wersji'),
 		'ro' => array('' => 'Dezactivați verificatorul de versiuni'),
+		'ja' => array('' => 'バージョンチェックを無効化'),
 	);
 }