composer require shibuyakosuke/laravel-language-setting --dev

Edit config/app.php in your project below.

'locale' => 'ja',

php artisan lang:setting ja // If you use japanese.

Publish these files like belows.

• Resources/lang/ja.json
• Resources/lang/ja/auth.php
• Resources/lang/ja/pagination.php
• Resources/lang/ja/passwords.php
• Resources/lang/ja/validation.php

php artisan lang:list

If you have other language files, clone this repository and add your language files. Send me pull request, please.