Grammarly
Also known as: Grammarly Pro; Grammarly for Business; Grammarly AI
Checks spelling, grammar and tone as you write in email, documents and the web, and uses AI to draft, rewrite and reply. Free plan available; Pro costs $12 per member per month billed annually ($30 monthly) (checked November 2026).
How to do it?
- 01
Create a Grammarly account
Sign up with your email address, or with a Google, Facebook or Apple account.
- 02
Install it where you write
Use the Grammarly Editor in your browser, or install Grammarly for Windows or Mac, or the Chrome or Edge extension.
- 03
Fix the underlined suggestions
Underlines mark critical issues; click the Grammarly icon to see all suggestions for correctness, clarity, engagement and delivery.
- 04
Use AI to draft and rewrite
Ask Grammarly's generative AI to compose, rewrite or reply in the editor, desktop app, browser extensions or mobile apps.
- 05
Add your business terms
In account settings add product and brand names to your personal dictionary and set your English language preference.
- 06
Test it on a real email
Open a draft email, confirm Grammarly's suggestions appear, and read every AI rewrite before you send it.