MailSpark uses AI to refine your tone, translate languages, and help you craft the perfect email — all within Gmail.
✓ Free to use · ✓ No signup required · ✓ Works instantly
Everything you need to communicate professionally and efficiently
Transform your emails to be Formal, Polite, Casual, or Persuasive with one click.
Write in English, Chinese, Spanish, Korean, Japanese, French and more.
Get AI-powered suggestions in seconds, right inside your Gmail compose window.
Your emails are processed securely. We never store your email content.
Don't like a suggestion? One click to revert to your original text.
Start with a rough draft or bullet points — MailSpark expands them beautifully.
Three simple steps to better emails
Add MailSpark to Chrome with one click. No account needed.
Open Gmail and start writing. MailSpark appears automatically.
Select your tone and language translation, then let AI perfect your message.
Start free, upgrade when you need more
Perfect for getting started
For power users
Join thousands of professionals who save hours every week with MailSpark.
Add to Chrome — Free