Writing effective emails can be a real struggle whether you’re drafting a cold outreach, following up with a client, or sending a formal request. Fortunately, AI email writers free online can help you create polished, professional messages in seconds. These tools save time, improve tone, and eliminate writer’s block.
In this article, we’ll explore the best free AI email writer tools available today. Each option offers a free plan, making them perfect for professionals, marketers, and students who want to simplify their communication without spending a dime.
Quick Snapshot: Best Free AI Email Writers
| Tool | Best For | Free Plan / Credits | Standout Feature |
|---|---|---|---|
| ChatGPT | General-purpose emails | Free with OpenAI account | Natural, human-like writing |
| Rytr | Quick professional drafts | 10,000 characters/month | Pre-set email templates |
| Flowrite | Gmail & LinkedIn emails | Limited free emails | 1-click email generation |
| Copy AI | Marketing & sales emails | 2,000 words/month | Dozens of email frameworks |
| Hypotenuse AI | Personalized outreach | Limited free trial | AI-powered personalization |
| Writesonic | Fast email replies | 10,000 free words | Chrome extension integration |
| Simplified | Teams & collaboration | Free plan with limits | Built-in editor + templates |
ChatGPT – Best All-Round Free AI Email Writer
ChatGPT is the most widely used AI writing tool, offering a flexible platform that can draft virtually any kind of email. Whether you need a formal business proposal or a casual follow-up, it adapts to your instructions with human-like fluency. The free version makes it accessible to everyone.
- Overview: ChatGPT by OpenAI is one of the most popular free AI writing assistants. It can generate professional, casual, or friendly emails instantly.
- Key Features: Natural conversation style, custom prompts, flexible tone.
- Free Plan: Free with an OpenAI account.
- Ease of Use: Simply type your prompt, and ChatGPT drafts your email.
- Why It Stands Out: Versatile and works for everything from cold outreach to formal notices.
Rytr – Best for Quick Drafts
Rytr is built for speed and simplicity, making it perfect if you need a draft in under a minute. Its built-in templates for emails save you from starting from scratch. With 10,000 free characters per month, it’s ideal for freelancers, students, or professionals who send occasional emails.
- Overview: Rytr is a lightweight AI writing tool with pre-set email templates.
- Key Features: Multiple tones, quick generation, supports 30+ languages.
- Free Plan: 10,000 characters/month.
- Ease of Use: Simple dashboard with one-click drafts.
- Why It Stands Out: Ready-made email frameworks save time.
Flowrite – Best for Gmail & LinkedIn
Flowrite (now a part of MailMaestro) is tailored for professionals who spend most of their day in Gmail or LinkedIn. Instead of manually typing long replies, you can simply provide a few bullet points, and Flowrite turns them into polished messages. The free plan is limited, but it’s excellent for streamlining daily inbox management.
- Overview: Flowrite focuses on short, professional communication like Gmail replies and LinkedIn messages.
- Key Features: Browser extension, “write email from bullet points,” fast personalization.
- Free Plan: Limited free emails per month.
Ease of Use: Works directly inside Gmail or LinkedIn. - Why It Stands Out: Perfect for professionals handling daily inbox overload.
Copy.ai – Best for Marketing & Sales Emails
Copy.ai specializes in persuasive writing, making it one of the best tools for cold emails, promotional offers, and newsletters. It comes with dozens of frameworks that guide you through different marketing scenarios. The free plan includes 2,000 words each month, which is enough for small campaigns or testing.
- Overview: Copy.ai is designed for marketers and sales teams.
- Key Features: Dozens of templates (cold emails, promotional offers, newsletters).
- Free Plan: 2,000 words/month.
- Ease of Use: Easy-to-navigate templates with flexible outputs.
- Why It Stands Out: Focused on persuasive, conversion-driven writing.
Hypotenuse AI – Best for Personalized Outreach
If you want your emails to sound more personalized and less robotic, Hypotenuse AI is a strong choice. Its algorithms focus on tone and relevance, creating messages that feel tailored to the recipient. Although the free trial is limited, it’s valuable for trying out AI-powered personalization before committing.
- Overview: Hypotenuse AI specializes in personalized, human-like content.
- Key Features: Personalization at scale, multiple tones, advanced editing.
- Free Plan: Limited free trial.
- Ease of Use: Straightforward editor with structured workflows.
- Why It Stands Out: Adds a more personal touch compared to generic AI outputs.
Writesonic – Best for Fast Replies
Writesonic helps you handle high email volume with minimal effort. It offers 10,000 free words, making it one of the more generous free plans. With its Chrome extension, you can draft or reply to emails directly from Gmail or Outlook. It’s ideal for professionals who need quick, consistent communication.
- Overview: Writesonic offers an AI email writer plus chatbot integration.
- Key Features: 10,000 free words, Gmail/Outlook integration, mobile-friendly.
- Free Plan: Generous free credits to get started.
- Ease of Use: Chrome extension for drafting replies instantly.
- Why It Stands Out: Excellent for professionals replying to multiple emails daily.
Simplified – Best for Teams & Collaboration
Writesonic helps you handle high email volume with minimal effort. It offers 10,000 free words, making it one of the more generous free plans. With its Chrome extension, you can draft or reply to emails directly from Gmail or Outlook. It’s ideal for professionals who need quick, consistent communication.
- Overview: Simplified is an all-in-one AI writing and design tool.
- Key Features: Team collaboration, templates, built-in editor.
- Free Plan: Free forever plan with limitations.
- Ease of Use: Clean interface, easy to scale for small teams.
- Why It Stands Out: Combines AI writing with team productivity.
How to Choose the Right Free AI Email Writer
- Email Volume Needs – If you send a high number of emails daily, choose a tool with a generous free plan like Writesonic or Rytr. They give more characters or credits, ensuring you won’t run out quickly.
- Type of Emails – Your choice depends on purpose. For cold outreach and marketing, go with Copy.ai. If you need polished professional communication, Flowrite or Hypotenuse AI may be better since they focus on personalization and formal tone.
- Integration with Platforms – Check if the tool works directly with Gmail, Outlook, or LinkedIn. Flowrite and Writesonic’s Chrome extension allow you to draft or reply within your inbox, saving time and making the workflow smoother.
- Ease of Use – Not all tools are equally simple. Some require structured inputs, while others like ChatGPT respond to free-form prompts. If you’re new to AI writing, pick a tool with ready-made templates and a beginner-friendly interface.
- Customization Options – Some tools let you adjust tone, style, and level of personalization. This is crucial for making emails feel authentic. Tools like Hypotenuse AI stand out here by offering highly personalized, human-like email generation.
- Team Collaboration – If you’re working in a team environment, select a tool that supports multiple users. Simplified is designed for collaboration, allowing teammates to co-edit, review, and share AI-generated emails in real-time.
Pros & Cons of Free AI Email Writers
- Save time & reduce writer’s block
- Professional tone without effort
- Free options to get started
- Limited credits in free plans
- Risk of generic outputs if not edited
- Data privacy concerns in some tools
Final Verdict
Free AI email writers are a game-changer for anyone who struggles with writing or simply wants to save time. Tools like ChatGPT and Rytr cover general needs, while Flowrite and Copy.ai serve specific professional use cases. Whether you’re a student, freelancer, or marketer, these free AI email writer tools online can help you craft emails that look polished and professional without costing a penny.
FAQs
ChatGPT is the most versatile free AI email writer, while Rytr and Flowrite are great for quick business emails.
Most reputable tools are safe, but avoid sharing sensitive or confidential data.
Yes. Tools like Copy.ai and Hypotenuse AI are designed to generate persuasive cold emails, but personalization is key.
