Stop Rewriting Emails.
Start Refining Them.

Turn one draft into perfectly-toned messages in seconds. From formal authority to casual warmth, AI Email Refiner adapts your message for any situation.

★★★★★ 4.8 Rating
|
10,000+ Users
|
🔒 Privacy First
mail.google.com
Compose Email
New Message
To: sarah@company.com
Subject: Project Update
AI EMAIL REFINER
Formal
Friendly
Concise
Persuasive
Apologetic
Casual
Neutral/Professional

Email writing is surprisingly hard

The Struggle
Hours lost every week

The average professional spends 2.6 hours a day on email. Much of that is re-reading and rewriting.

Tone anxiety is real

Worrying whether an email sounds too harsh, too casual, or unclear — leading to long editing sessions.

Endless rewriting cycles

Drafting, deleting, starting over. The same message rewritten five times before you hit send.

Cross-cultural missteps

Remote teams and global clients demand different communication styles that are hard to navigate.

The Solution
Instant AI transformation

One click refines your draft into a polished, professional message in any style you choose.

7 styles at your fingertips

From formal board communications to friendly check-ins — match your tone perfectly every time.

Preview before applying

See exactly how your email will read before applying the changes. Full control, zero surprises.

Culturally intelligent writing

AI that understands communication nuances across professional and cultural contexts.

Watch one email become seven

The same message rewritten across different tones. Select a style to compare outputs.

Original Draft
“Hey, I need the report by tomorrow. Can you send it? Also the client is asking for updates.”
Subject
Request for Report by End of Business Tomorrow
Dear [Name], I hope you are well. I am writing to request the report by end of business tomorrow. The client has been requesting updates, and having the report will allow us to respond accurately. Thank you for your assistance. Kind regards,
Style: formal

Three steps. Better emails.

No learning curve. No complex settings. Start refining your emails in under a minute.

01
01
Write Your Draft

Start typing your email naturally in Gmail or Zimbra. Don't worry about polish — just get your thoughts down.

02
02
Pick Your Style

Open the extension panel and choose from 7 AI-powered styles. Add custom instructions if needed.

03
03
Apply & Send

Hit "Apply" and your polished email replaces the draft. Review, tweak if needed, and send with confidence.

Everything you need for email excellence

A powerful toolkit built for busy professionals who refuse to compromise on communication quality.

7 Writing Styles

Formal, Friendly, Concise, Persuasive, Apologetic, Casual, and Neutral. A style for every situation.

Custom Instructions

Add specific guidance — mention the recipient, context, or desired outcome to personalize AI output.

Real-Time Preview

See the AI-refined version before you apply it. Compare with your original with zero commitment.

Gmail & Zimbra Support

Works seamlessly inside both Gmail and Zimbra compose windows. One extension, two platforms.

Privacy First

Email content is processed in real-time and never stored. Your data stays yours.

One-Click Application

Apply refined text directly to your compose window instantly. Subject line preserved and improved.

Built for every professional

Whether you're closing deals or writing thank-you notes, there's a style for you.

📈
Sales Teams

Close more deals with persuasive follow-ups that hit the right tone. Turn cold outreach into warm conversations.

🎧
Customer Support

Respond with empathy and professionalism every time, even on high-volume days.

💼
Executives

Maintain the authority and clarity expected at the C-suite level with formal, precise communications.

🌍
Remote Teams

Bridge cultural communication gaps across borders and time zones effortlessly.

🧑‍💻
Freelancers

Impress clients with polished proposals and professional correspondence.

📝
Job Seekers

Stand out with professional correspondence that gets responses, from applications to thank-you notes.

Loved by 10,000+ professionals

AI Email Refiner saved me at least 2 hours a day. I used to agonize over every email before sending — now I draft quickly, hit refine, and send confidently. It's become as essential as spell-check.

SK
Sarah K.
VP of Sales, TechCorp

Our customer support team uses it constantly. Response quality went up and customer satisfaction scores followed. The 'apologetic' style alone has de-escalated so many difficult situations.

MR
Marcus R.
Head of CX, SaaS Platform

As a freelancer working with international clients, matching the right tone was always stressful. Now I just pick the right style and go. Total game changer.

PT
Priya T.
UX Consultant, Freelance

Simple, honest pricing

Start free. Upgrade when you need more. No credit card required.

MonthlyAnnualSave 20%
Free
$0
Forever free, no card needed
  • 50 email refinements/month
  • All 7 writing styles
  • Gmail & Zimbra support
  • Real-time preview
  • One-click apply
Most Popular
Pro
$9.99
per month
  • Unlimited refinements
  • Priority AI processing
  • Custom instructions
  • Advanced style customization
  • Priority support
  • Everything in Free
Team
$49.99
per month · 5 users
  • Everything in Pro
  • Team style templates
  • Usage analytics
  • Centralized billing
  • Dedicated support
  • Onboarding assistance

Questions, answered

AI Email Refiner is a Chrome extension that integrates directly into your Gmail or Zimbra compose window. When you click "Refine," it sends your email draft to OpenAI's API along with your chosen style preference. The AI rewrites your email and shows you a preview. You can apply it with one click or dismiss it.
Your privacy is our top priority. Email content is sent directly to OpenAI's API for real-time processing and is never stored on our servers. All transmissions are encrypted with SSL.
Currently, AI Email Refiner supports Gmail and Zimbra. We're actively working on Outlook support.
Yes! Pro users can add custom instructions to guide the AI — specify length, tone details, recipient context, or any other requirement.
Free gives you 50 refinements/month with all 7 styles. Pro gives you unlimited refinements, priority processing, custom instructions, and advanced customization.
Absolutely. No long-term commitments. Cancel from your account settings anytime and your plan stays active until end of billing period.
Yes — 30-day money-back guarantee on all paid plans. Contact support within 30 days for a full refund, no questions asked.

Ready to transform your email communication?

Install in under 2 minutes. Clone the repo, add your OpenAI key, and load it into Chrome — no store listing required.

🔒 Your key, your data
⚡ 2-min install
🛠 Open source
⭐ MIT License