LiveLang is a great choice. Simple, practical, and very effective.

LiveLang is an excellent frontend translation and text editing plugin. You can click any text directly on the frontend and edit or translate it instantly—no files, no coding, and no complicated setup.

The visual editor is fast, lightweight, and works smoothly with themes, page builders, and WooCommerce. It supports both page-level and global translations, which makes managing multilingual content incredibly easy.