Writing emails sounds easy until you have to write ten of them in a row — each needing a different tone, style, or level of professionalism. Whether it’s replying to clients, sending marketing campaigns, or just catching up with your team, AI email writers can save hours and improve clarity.
I’ve personally tested several AI tools, and after a lot of trial and error, I’ve narrowed it down to five AI email writer tools that actually work. No fluff, just genuine picks that make your email life easier.
1. GrammarlyGO
GrammarlyGO is not just for checking grammar anymore. Their AI writing assistant now helps you compose full emails in seconds. You can set your tone — formal, friendly, or persuasive — and it adapts instantly. Why it’s great: It integrates with Gmail and Outlook, saving time by offering suggestions right where you write. Best for: Professionals who want polished, mistake-free emails that sound natural.
2. Flowrite
Flowrite turns short instructions into full, well-structured emails. You just type something like “follow up on yesterday’s meeting,” and it writes the email for you. Why it’s great: It mimics your writing tone and learns from your previous messages. Best for: Sales teams, customer support, and anyone sending lots of emails daily.
3. Copy.ai Email Writer
Copy.ai is a popular name in AI content creation, and its email templates are incredibly handy. You can choose from options like “Cold Email,” “Thank You Email,” or “Follow-Up Message.” Why it’s great: It’s fast, offers multiple versions, and gives a human touch to every email. Best for: Freelancers, marketers, and business owners who want engaging outreach emails.
4. ChatGPT (Custom Email Prompts)
OpenAI’s ChatGPT remains one of the most versatile AI email writers. When you give it clear prompts like “write a polite follow-up email to a client about payment,” it delivers professional and natural results. Why it’s great: You can fine-tune tone, length, and style — from casual to corporate. Best for: Anyone who prefers flexibility and wants to control the email’s tone and structure.
5. Jasper Email Assistant
Jasper is an advanced AI writing tool designed for business communication. Its email templates help create personalized, conversion-driven messages. Why it’s great: It integrates with CRMs, adapts to your brand tone, and is ideal for email marketing campaigns. Best for: Marketing professionals and entrepreneurs who want high-quality, persuasive copy.
