MailSleek — Gmail Writing Assistant

Polish your Gmail drafts with culturally-aware business email writing. Refine inside Gmail — no copy-paste.

Write emails that respect every culture. MailSleek puts AI email polishing right inside your Gmail compose window: ✦ One-click polish — write a draft, click ✨ Polish next to Send, and your draft becomes a polished, professional email in place. No copy-paste. ✦ 8 business cultures — American (direct), British (polite), German (structured), French (elegant), Japanese (formal), Korean (honorific), Chinese (relationship-first), Latin American (warm). Your email lands right, everywhere. ✦ 11 languages — interface and output follow your language (English, 中文, Deutsch, Français, 日本語, 한국어, Español, Português, Italiano, Русский, Nederlands). ✦ Three tones — professional, friendly, urgent. ✦ Works anywhere — right-click any selected text on any webpage and refine it instantly. Free plan: 3 uses per day. Pro ($12.99/mo) & Max ($34.99/mo): unlimited, bulk processing, private templates, knowledge export and more at mailsleek.com. Your email drafts are processed securely and never used to train AI models.