AI writing assistant for Gmail

Write emails that sound native
every time you hit send.

BetterSend adds an AI Improve button right inside Gmail. Rewrite your email to sound like a fluent native professional, fixing non-native patterns and setting the right tone, before you hit send. Works in compose and reply windows.

On your phone? Get BetterSend on your computer

BetterSend runs on your Mac or PC, inside Slack, Teams, WhatsApp and Discord. We will email you the download link.

One email with the link. No newsletter, no spam.

See it in action

Works on mail.google.com · Free forever · No credit card

Free English rewriter
Works on📧 Gmail

Second-guessing every email to your manager?

You write to a client or your lead, then re-read it five times, wondering if it sounds rude, too stiff, or just non-native. English isn't your first language, but your work emails all happen in it. BetterSend rewrites your draft in one click, right inside the Gmail compose window.

See the difference instantly

One click transforms your message, without changing your meaning.

mail.google.com — New Message

Before

“hey when are you going to send the report i asked for this last week and still nothing”

After

Professional

“Hi — I wanted to follow up on the report I requested last week. Could you let me know the expected timeline? I want to make sure we stay on track. Thanks.”

mail.google.com — Reply

Before

“the client is wrong about this and i need you to tell them that”

After

Diplomatic

“I'd like to address a misalignment with the client regarding this point. Could we schedule a brief call to align on the facts before the next meeting? I think a clear, unified response would be most effective.”

13 tones for every email situation

From executive to friendly, concise to supportive, choose the tone that fits your recipient and relationship.

✨ Professional🤝 Friendly⚡ Concise💪 Confident🕊️ Diplomatic👔 Executive😊 Casual🌟 Supportive🎯 Direct & Polite💡 Clearer😄 Funny but Professional🌍 Native Speaker✅ Grammar Fix
44+ languages

Translate emails in 44 languages

Write to international clients and teammates in their language, right inside Gmail.

BetterSend Translation

Original (EN)

“Dear client, thank you for your reply. We'd like to schedule a meeting to discuss the next steps for the project.”

translating to
🇧🇷Portuguese

“"Prezado cliente, agradeço pelo seu retorno. Gostaríamos de agendar uma reunião para discutir os próximos passos do projeto."”

New · Mixed-language input

Write in your language. Send in theirs.

Mix Portuguese, Spanish, French, whatever comes naturally. BetterSend turns it into one polished message in the language you need.

🌐

You typed

Mixed

oi team, vamos cooperate on the new release pq the deadline is tight e preciso review antes de friday

🇬🇧

BetterSend sends

Hey team, let's team up on the new release. The deadline is tight, so I'll need to review it before Friday.

Set "Write in" to English (or any of 44 languages) once. Every Improve uses it.

How BetterSend compares

Other tools translate text. BetterSend rewrites it like a native speaker would, inside the app you're already in.

Feature
BetterSend
$4.99/mo
Grammarly
$12/mo
DeepL Write
$8.74/mo
ChatGPT
$20/mo
Works inside Slack, Gmail, WhatsApp, no copy-paste
Writes inside the Slack, Teams, WhatsApp and Discord desktop apps
Mixed-language input (write in PT, send in EN)
13 tones (Professional, Diplomatic, Confident…)
One-click translation in the conversation
Never stores your messages
About $3.33/month on the annual plan

Comparison reflects publicly documented features as of 2026. Trademarks belong to their respective owners.

Desktop app · macOS and Windows

Also available as a native app

Slack, Microsoft Teams, WhatsApp and Discord on macOS and Windows: the desktop app writes straight into the composer, with no browser in the middle.

  • Slack
  • Microsoft Teams
  • WhatsApp
  • Discord

The button in the composer

While you type in Slack, Teams, WhatsApp or Discord, a small BetterSend button appears next to the field. Click it, pick a tone, replace the draft.

Double-click a message

Double-click anything someone sent you to translate it or have it explained, right there, without leaving the conversation.

Privacy-First by Design

BetterSend only runs when you click Improve or Translate. Your messages are never stored, auto-scanned, or sent anywhere without your explicit action.

  • Only runs when you click, never in the background

  • Messages are processed and never stored

  • No tracking, no scanning, no passive reading of your conversations

No background tracking · No message storage · Always opt-in

Frequently asked questions

You do not have to trust us

50 AI actions every month, free, forever. No card, no trial that quietly ends. If 50 better messages do not convince you, do not subscribe.

Write better emails starting today

Install the free Chrome extension and improve your first Gmail message in under 60 seconds.

On your phone? Get BetterSend on your computer

BetterSend runs on your Mac or PC, inside Slack, Teams, WhatsApp and Discord. We will email you the download link.

One email with the link. No newsletter, no spam.