With Asset Localization, you can easily localize your built-in Unity game assets. Also you can create custom localizable asset functionality for your custom assets.
Available on Asset Store and Unity Package Manager.
Built-in Text, TextMesh, TextMeshPro, TextAsset, VideoClip, AudioClip, Sprite, Texture, Font and Prefab localization
Edit everything through Localization Explorer window
Import/Export CSV file
Quick text translation inside the Editor with Google Translate engine
Adding more custom languages in addition to the built-in languages
Extensible localized asset support
Used locales are automatically added to Info.plist on iOS build
Lightweight and easy to use
No coding required
Required Unity 2017.1 or newer version.