
I used to spend hours writing emails that no one opened.Worse—when they did open them, they clicked nothing.
No sales. No replies. Just silence.
And if you've ever stared at a blank screen, trying to write that "perfect" subject line or opening hook, you know the feeling: stuck, second-guessing every word.
That changed the day I discovered AI copywriting tools—not as a replacement, but as a writing partner.
One that helps me draft 3 emails in the time it used to take for one.
In this article, I'll show you the 5 best AI tools for writing high-converting email copy—and when to use each. Whether you're a marketer, freelancer, or product creator, these tools can save your brainpower while increasing open and click rates.
What Makes a Good AI Tool for Email Copywriting?

5 best AI tools for writing high-converting email copy
If all you want is "fast generation," most tools will do. But if you want high-converting email copy, you'll need more than speed.
Here's what actually matters when choosing an AI tool for writing emails:
- Persuasive Copy Templates: Look for tools that offer proven frameworks — not just generic cold emails.
- A/B Testing Features: Can it generate multiple versions to test subject lines, CTAs, or intros?
- Personalization Capacity: Great AI tools let you inject dynamic fields, tone control, or persona adaptation.
- Optimization & Feedback: Some tools help you predict performance (like CTR or sentiment analysis).
- Workflow Integration: Ideally, the tool fits into your CRM, ESP, or Zapier setup.
The 5 tools below stand out because they don't just generate words — they help you generate results.
Top 5 AI Copy Tools to Write High-Converting Emails
1. Anyword – Predictive Copy That Performs
Anyword doesn't just write — it forecasts. I've used it to test subject lines with predicted open rates, and the difference was real. Its copy score feature saved me from bland intros more times than I can count.
2. Jasper – Proven Templates for Sales Emails
Jasper comes loaded with conversion-focused templates. My favorite? The "PAS for Emails" template. It's helped me turn lukewarm outreach into engaged replies — even from cold lists.
3. Copy.ai – Fast & Friendly for Quick Campaigns
Copy.ai feels like a shortcut without feeling cheap. If you're pressed for time or building short nurture sequences, it nails tone and structure. Great for welcome emails, product updates, or quick win campaigns.
4. ClosersCopy – Direct Response in AI Form
ClosersCopy is a different beast. It mimics high-ticket copywriters and even lets you build your own frameworks. I've used it for webinars and flash sale sequences — it knows how to sell.
5. Writecream – Cold Outreach with a Personal Touch
Writecream excels in personalization. It lets you scrape names, generate icebreakers, and customize intros in bulk. If cold email is your game, this is your secret weapon.
How I Use These Tools to Write Emails That Convert
Let me be real: I've sent cold emails that landed clients… and others that sank without a trace. What made the difference? Structure, tone, and relevance — the things these tools help me nail.
- Client Outreach: I use Writecream to craft hyper-personal intros. It's helped me book discovery calls with people who get pitched daily.
- Newsletter Campaigns: Jasper helps me whip up consistent sequences using its PAS and AIDA templates — especially when I'm low on creative energy.
- Product Launches: ClosersCopy delivers that punchy, urgency-driven language that moves readers to click now.
- Split Testing Subject Lines: I rely on Anyword to predict what'll land better — it's like having a mini CRO assistant built-in.
- Quick Campaigns: Copy.ai is my go-to when I need to ship fast — no overthinking, just smart structure.
The best part? I don't just send emails — I ship them faster, smarter, and with more confidence.
Ready to Write Emails That Actually Convert?
Don't waste time guessing what works. These AI tools are like having a copy chief, a strategist, and a brainstorm partner—all in one.
Try one today:
Or download 400+ writing prompts to spark your next campaign.