Best free AI for writing emails
You don't need to pay to get help writing emails. The big free AI chatbots can draft, shorten, soften or tidy up a message in seconds. Here's how to use them well.
Last checked: . Prices and free allowances change often – check the provider's own site before paying.
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The main free options
- ChatGPT (OpenAI) – free tier available on web and phone app. Good all-rounder. ChatGPT
- Microsoft Copilot – free, and built into many Microsoft products such as Edge and Windows. Handy if you already use Outlook.
- Google Gemini – free with a Google account; paid Google plans add it inside Gmail.
- Claude (Anthropic) – free tier; many people like its natural writing tone.
All four can do the everyday email jobs below. Free tiers have usage limits that change over time.
Copy-and-paste prompts that work
- "Write a short, polite email to my landlord asking when the boiler will be fixed. It has been broken for 5 days. Keep it firm but friendly. UK English."
- "Make this email shorter and clearer: [paste]"
- "Turn these notes into a professional email to a customer: [notes]"
- "Rewrite this so it sounds less angry: [paste]"
Tip: say who it's for, what you want, and the tone. Ask for "UK English" so you get "colour" not "color".
Always check before you send
- AI can make up details (dates, names, policies). Read every line.
- Don't paste in bank details, passwords, NHS numbers or other people's private information.
- Add your own sign-off and anything personal – it reads better.