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FAQ

Yes. It handles Vietnamese well (diacritics, spelling, grammar, word choice) as well as English; pick the output language in the options.

No. Text goes straight to the AI provider you selected; BoxTool stores neither the content nor the API key.

About this tool

Use it to polish emails, CVs, social posts, theses or any text that needs to be clean. Choose a mode: fix errors only, rewrite for clarity, or change the tone (formal, casual, persuasive). The output includes the corrected version plus a list of changes so you can review instead of trusting blindly.