Stop rewriting emails manually. Tonero rewrites any email to sound professional, polite, or direct — right inside Gmail, Outlook, Slack, and LinkedIn. Install once, rewrite forever.
Here's what Tonero does to a rough email draft in one click.
"hey paul, wanted to check if you saw my email abt the proposal, its been a week and i need to know"
"Hi Paul, I wanted to follow up on the proposal I sent last week. Please let me know your thoughts when you have a moment."
"this deadline is impossible, no one can do this in 2 days"
"The current timeline is not feasible. I'd like to discuss extending the deadline to ensure quality delivery."
"can u reschedule our meeting tmrw? something came up"
"Hi! Something's come up on my end — would you be open to rescheduling our meeting tomorrow? Happy to find a time that works for you!"
Tonero is a browser extension for Chrome, Edge, and Opera. It adds a tone toolbar to every text box — including Gmail, Outlook Web, Slack, Teams, and LinkedIn.
Write your email as you normally would — rough, fast, unfiltered. Don't worry about tone or wording.
Click Professional, Direct, Friendly, or Casual in the Tonero toolbar. The AI rewrites your email instantly.
Your rewritten email sounds exactly right for the situation. Hit send knowing your message lands the way you intended.
The AI email rewriter is perfect for any situation where tone matters more than words.
Have an email that needs rewriting right now? Try the free online email rewriter → — paste your draft, pick a tone, done.
Turn a pushy follow-up into a polite nudge that keeps the relationship intact.
Rewrite blunt criticism into constructive, professional feedback that gets results.
Make every client-facing email sound polished and confident — even on a tight schedule.
Strike the right balance between direct and friendly when messaging colleagues.
Change how your email sounds — professional, friendly, or direct — in one click.
Not just email — fix the tone of Slack messages, LinkedIn replies, and more.
A focused guide on sounding polished and credible in every email you send.
Install Tonero in 30 seconds. 30 free rewrites per month. No credit card required.
Get Tonero it is free