AI email writers are intelligent tools that leverage artificial intelligence to streamline your email composition process. These tools are designed to save you time and enhance the quality of your emails, enabling faster writing and overcoming writer's block. The significant market for AI writing software, valued at $1.7 billion in 2023, underscores their growing importance. With nearly 63% of marketers and a substantial 87% of businesses already utilizing AI to improve their email strategies, the demand for such solutions is clear. This post focuses on the best AI email writer free online options that will be available in 2025. You will discover the top free AI email writer tools online that cater to all your email needs, helping you refine your email strategy without any financial outlay.
Key Takeaways
AI email writers use smart computer programs. They help you write emails faster. They also make your emails better.
Many free AI email tools exist. They offer features like content creation, tone changes, and language support. These tools help you improve your email strategy without cost.
To use AI email writers well, give clear instructions. Always check and change what the AI writes. Make sure it sounds like you.
Advanced tools like Mails.ai offer more features. They help with email delivery and follow-ups. These are good for serious email users.
Understanding AI Email Writers
What is an AI Email Writer
An AI email writer helps you write emails. It uses smart computer programs. These programs understand what you mean. They break down your words. This helps them know what you want to say. The AI email drafters then write like a human. It's like a helper that writes messages for you. This makes writing your AI-powered email much simpler.
Benefits of AI for Emails
Using AI for emails is very helpful. You save a lot of time. The AI does most of the writing. It gives you ideas when you are stuck. Your emails get better. They sound consistent and clear. These AI email assistants make your messages professional. They also help you make messages personal quickly. This gets people more interested.
How AI Email Writers Work
AI email writers work in a smart way. They look at what you type. They figure out your meaning and tone. This helps them pick the right words. They also choose how to build sentences. These tools have different parts. First, they take in your commands. Second, they remember things you like. Third, they plan how to reach your goals. Fourth, they connect to other tools. This helps them do what they planned. Last, they check if they did well. This helps the drafters learn and get better. This learning makes the AI email drafters work better over time.
Top 10 Free AI Email Writers for 2025
You want to find the best free AI email writers. They can help you with your messages. This part shows the top 10 free AI email writers for 2025. These tools have great features. They do not cost you anything. You can make your email plan better. Use these strong choices.
1. Compose AI: Free AI Email Writer Online
Compose AI is a browser tool. It helps you write emails faster. It works right in your email program. This tool gives you an ai email writer free online experience. You can use it to write emails. You can change sentences. It also suggests words to finish your thoughts. It makes writing much easier.
Key Features (Free Plan):
AI-generated words
Rephrases
Email replies
Autocompletes
Here is what you get with Compose AI's free plan each month:
Feature | Quantity per Month |
|---|---|
AI-generated words | 1,500 |
Rephrases | 25 |
Email replies | 10 |
Autocompletes | 50 |
Pros:
It works right in your browser.
You get quick ideas and changes.
It saves time on repeated tasks.
Cons:
The free plan has limits.
It may not change complex emails much.
Ideal Use Cases:
Quick email answers.
Writing short messages.
Helping with daily writing blocks.
2. HubSpot AI Content Writer
HubSpot has an AI Content Writer. It works with its marketing tools. This tool helps you make many types of content. This includes emails. It is a strong ai email writer free online choice. This is true if you use HubSpot already. You can make whole emails. You can also fix old ones.
Key Features:
You can make full marketing emails. Just say the action, who it's for, and key facts.
You can copy old emails with AI.
You can make new emails from nothing. Give details on the action, who to reach, and main facts.
You can add your brand's voice to email text.
You can rewrite highlighted email text.
You can make highlighted email text longer.
You can make highlighted email text shorter.
You can change the tone of highlighted email text. (e.g., Friendly, Professional, Witty, Heartfelt, Educational).
You can type in your own requests. This changes highlighted email text.
You can make personal subject lines. You can also make email content and follow-ups. This is for sales emails.
It has a subject line maker. This helps more people open emails.
It gives an AI email assistant for customer help. This answers questions automatically. It uses past talks.
Pros:
It works well with HubSpot tools.
You can make full emails or parts.
It helps keep your brand's voice.
Cons:
It works best with the HubSpot system.
Free use might be only for some HubSpot tools.
Ideal Use Cases:
Marketing teams using HubSpot.
Making sales outreach emails.
Creating customer service replies.
3. Rytr: AI Email Assistant
Rytr is a smart AI writing helper. It helps you make many kinds of content. This includes emails. It is one of the best ai email assistants. This is because it helps with languages and tones. You can make good messages fast.
Key Features:
It works in over 30 languages. This helps you reach more people.
It has over 20 tone choices. These match what you need.
It has over 40 ready-made uses. These are for different content. This includes email writing.
It has a Document Management tool. This helps you sort writing projects. You can put them in folders and files.
It has an easy way to make new folders or files.
It has a rich text editor. You can work with AI. This makes content just for you.
Pros:
It works in many languages.
You can pick many tone options.
It has a free version.
It has a Chrome tool. This is good for email programs. These include Missive, Gmail, or Outlook.
Cons:
The free plan has a word limit.
You might need to edit it. This is to match your style perfectly.
Ideal Use Cases:
Writing emails in different languages.
Changing email tone for different people.
Making quick email drafts. This is for marketing or outreach.
4. WriteSonic
WriteSonic is a strong AI content tool. It helps you make good content. This is for many things, including emails. This tool is great for making messages. These messages get people to act. It is one of the good ai email writers you can use.
Key Features:
WriteSonic has templates for email newsletters. It has over 50 other templates. These are for different content needs.
It has email templates for many reasons. These include ads and regular newsletters.
These templates help you write messages. They get people to engage and buy.
You can also use WriteSonic for email campaigns. This is one of its content types. This shows it can do many things.
Pros:
It has many templates for emails.
You can make content fast.
It helps you write convincing words.
Cons:
The free plan has limited credits.
You might need to learn how to use all features.
Ideal Use Cases:
Making email newsletters.
Writing ad emails.
Making content for many marketing campaigns.
5. CopyAI
CopyAI is a popular AI writing tool. It is known for being useful. It helps you make creative and good writing. This is for emails and more. This tool is one of the top ai email assistants for businesses. It focuses on making things personal. It also matches your brand.
Key Features:
Personalization: Copy.ai makes truly personal emails. It talks about each person's problems. It also talks about their interests and worries. It uses smart language models and big data.
Brand Alignment: Copy.ai's programs change to fit your brand rules. This makes sure every email sounds like your company. It keeps your brand's message.
Integration with GTM Approach: Good AI email writing fits your sales and marketing work. It connects AI emails to each step of your Go-to-Market plan.
Scalability: Copy.ai's flexible system helps you grow or improve your outreach. It matches new markets, products, or plan changes. This makes sure your AI plan grows with your brand.
Copy.ai has many AI tools for sales. These work well with existing GTM AI plans. This includes writing catchy subject lines. It also includes writing convincing main text.
It is special because it works well with a bigger go-to-market (GTM) plan. This includes focusing on GTM AI, GTM Velocity, and GTM AI Maturity. It offers a special way. This is better than just making general emails.
Copy.ai's smart programs and data help make things personal. This makes campaigns much better. It leads to more opens, more engagement, and more sales.
Automated Formatting: Copy.ai formats emails automatically. It uses set templates. This makes sure all messages look the same. You don't have to format by hand. You don't worry about things looking different.
Customization Options: You can change email templates. This is to fit your business needs and brand rules. You control how it looks. This includes colors, fonts, layout, and design.
Seamless Integration: Copy.ai works well with other tools. This makes it easy to add to your work. It makes email creation better. This is true if you use CRM, marketing software, or other tools.
Enhanced Productivity: Copy.ai makes email formatting automatic. It makes creation easier. This saves time and boosts work. Your team can focus on writing good content. They don't worry about formatting.
Consistency Across Teams: Copy.ai makes sure all teams use the same email format. This includes sales and customer service. This keeps your brand looking the same. It also keeps your voice the same in all messages.
Copy.ai works with popular CRMs. These include Salesforce, HubSpot, and Pipedrive. This moves data smoothly. It connects your email marketing to customer management. It saves time. It also reduces typing data by hand. This leads to more focused campaigns.
It helps make good email writing in large amounts. It does this without losing personal touch or brand voice. It uses smart language models. It also uses easy ways to automate work.
Pros:
It has strong ways to make things personal.
It helps keep your brand the same.
You can connect it with many tools.
Cons:
The free plan has limited word making.
It might focus more on marketing words. It might not focus on simple emails.
Ideal Use Cases:
Making personal sales emails.
Creating marketing campaigns.
Making sure messages match your brand.
6. Jasper AI
Jasper AI is a known AI content platform. It helps you make many types of content. This includes emails. It is one of the best ai mail drafters for work use. Jasper helps you write emails that get many sales.
Key Features:
Jasper has special tools for email campaigns. These include Content Improver. It also has Email Subject Lines. It has Tone Detector. It has Persuasive Bullet Points.
It makes the whole creation process easier. It gives good results. These need little editing.
You can change how good your results are. Base this on your brand's tone. Also base it on your campaign.
You can make email writing that gets many sales.
You can change the results. Base this on your brand tone. Also base it on the writing's situation.
Pros:
It has special tools for email campaigns.
You can change the results for tone and situation.
It helps make writing that gets many sales.
Cons:
It has a 7-day free trial. This lets you try 'Pro plan' features. This includes email writing. After the trial, you need to pay.
It might be harder for new users to learn.
Ideal Use Cases:
Making convincing sales outreach emails.
Creating email marketing series.
Making interesting subject lines.
7. Scalenut
Scalenut is an AI content platform. It focuses on SEO and making content. It also helps you make email content. This ai email writer helps you write good messages.
Key Features:
Scalenut's AI Copywriter makes creative and convincing writing. This is for marketing.
You can use it just for email campaigns.
The AI makes writing. It is made to connect with your target audience.
It helps write many types of writing. This includes emails. It helps turn readers into customers.
Pros:
It helps make convincing email writing.
It can make content for many email types.
It focuses on connecting with your audience.
Cons:
The free plan has limited features.
It might be more for long writing and SEO.
Ideal Use Cases:
Writing email newsletters.
Making marketing emails.
Making convincing writing for campaigns.
8. MailerLite AI
MailerLite is an email marketing service. It adds AI features. This makes your email campaigns better. It acts as a best ai email assistant. It helps find the best send times. It also helps create content.
Key Features:
MailerLite's Smart sending uses AI. It finds the best time to send emails. This is for each person. It uses their actions. This includes clicks, opens, and sign-up times. This feature keeps learning. It gets better at guessing. This leads to more engagement.
You can use AI tools like ChatGPT. This makes HTML email code and content. You can then put this code into MailerLite’s HTML email builder. Or, you can use the content. This is in the drag & drop editor. This makes emails fast.
MailerLite has an AI-powered drag & drop editor. This is for designing emails. This helps you make good-looking messages.
Pros:
It finds the best email send times. This leads to more engagement.
You can easily add AI-made content.
It has an AI-powered drag & drop editor.
Cons:
The free plan has limits on people.
The AI features might be better in paid plans.
Ideal Use Cases:
Small businesses doing email marketing.
Finding the best email send times.
Making good-looking emails with AI content.
9. GetResponse AI
GetResponse is an all-in-one marketing platform. It has AI tools. These help with email marketing. It is one of the best ai email assistants. This is for managing full campaigns. You can use its AI to make content and subject lines.
Key Features:
It offers AI product suggestions.
It has Generative AI for making content. This is an AI email generator.
It includes an AI writing helper.
It has an AI subject line maker.
It offers special improvements for different industries.
Support for many languages is coming soon.
Availability of Free Features:
AI product suggestions are in the GetResponse Max plan.
The AI email generator is in paid plans. These start at $15/month.
The AI writing helper is for all GetResponse users. Free accounts have limited use. (three times in thirty days).
Pros:
It has many AI tools for email campaigns.
You can make subject lines and content.
It uses OpenAI tech for strong AI.
Cons:
Many AI features are limited. Or they are only in paid plans.
The free account has very little AI writing helper use.
Ideal Use Cases:
Businesses wanting a full marketing solution.
Making quick email drafts and subject lines.
Trying out AI content creation.
10. Brevo (Sendinblue) AI
Brevo, used to be Sendinblue, is a full marketing and sales platform. It has AI features. These make your email marketing better. These ai email writers help you make campaigns better. They also help make messages personal.
Key Features:
Brevo's AI for email marketing includes making subject lines. It also makes campaign content. It looks at engagement data. It guesses the best send times. It suggests ways to group people.
It allows for automatic grouping of people. It offers changing product suggestions. It lets you test subject lines. It makes messages personal for many people. These features make campaigns better. They save time. They give more useful marketing with less work.
AI-Powered Personalization & Optimization: It automatically makes subject lines, email text, and workflows. It uses AI ideas to make campaigns better.
AI Marketing Agent: It makes content that gets many sales. It uses AI prompts.
Audience Segmentation: It automatically groups people. It uses real-time ideas.
Optimal Send Times: It sends messages at the best times.
Dynamic Product Recommendations: It gives personal product ideas.
Pros:
It has many AI features for email marketing.
You can make campaigns personal and better.
It helps group people and find best send times.
Cons:
The free plan has daily sending limits.
Advanced AI features might be in paid plans.
Ideal Use Cases:
Businesses needing an all-in-one marketing platform.
Making email personalization automatic.
Making campaigns better with AI ideas.
Key Features of Free AI Email Assistants
Free AI email helpers have strong features. These tools help you write better emails. They also save your time. You can make your messages work better.
Content Generation Capabilities
These tools are great at making content. You can find a free marketing email maker. You can find a cold email maker. There is also an email subject line maker. HubSpot's Free AI Email Writer makes personal drafts. It uses your customer's info. It makes marketing emails for different groups. It also makes personal subject lines and content. Sider AI has an AI Writing set. This is for quick writing. Flowrite changes short notes into good emails. Narrato AI has an AI Sales Email Writer. It has an AI Marketing Email Generator. It has an AI Subject Line Generator. It also has an AI Newsletter Writer. ChatGPT Writer makes full emails or replies. It uses short notes. It suggests subject lines. It also suggests what to do next. Compose AI has AI-powered auto-fill. It also makes content. It makes text from a short note. It uses a topic or keyword. This helps you write faster.
Tone and Style Customization
You can easily change how your email sounds. AI email writers let you pick the sound you want. You can choose things like 'friendly but professional.' Or 'formal and direct.' You can make style guides for the AI. Make prompt templates. These include your brand's voice. Use special dictionaries for company words. Some tools use 'voice cards.' These are for different message needs. Smart AI tools look at old messages. They match the sound and voice. This is for certain people. AI helps change words and sound as you write. It flags messages that might sound too sudden. These tools offer many 'Write As' styles. You can try them to find the best voice. Tone selectors match the email's mood. This is for the situation. Tone analyzers make sure it is clear. This is across different cultures. This stops people from misunderstanding. You get answers you can change. They fit what you need.
Language Support
Many free AI email writers work in many languages. This helps you talk to people all over the world. AImReply's AI email writer makes content in 17 languages. These include English (US, British, Australian, Canadian, Indian). They also include Arabic, Chinese (Simplified), French, German, Hindi, Italian, Japanese, Korean, Portuguese, Russian, Slovenian, and Spanish. QuillBot’s AI email maker works in English, Spanish, French, and German. This makes talking to other countries easier.
Integration Options
These tools often work with other programs. This makes your work smoother. Flowrite works right in Gmail, Outlook, and LinkedIn. MailerLite works with Canva. This lets you add designs easily. Noota works with CRM/ATS and work tools. It also has Chrome and inbox tools. It works inside Gmail and Outlook 365. Lavender, MailMaestro, Superhuman, and Shortwave also work inside Gmail and Outlook. These connections make using AI email writers and helpers easy.
User Interface and Ease of Use
A good interface makes these tools easy to use. AI interfaces let you undo things. You can leave unwanted states. Buttons like undo/cancel help. You can change or fix what the AI makes. You can also turn off AI ideas. Using the same words and looks builds trust. The system uses words you know. It uses ways of working you know. This matches how you think. Stopping mistakes is very important. The interface clearly tells you what happened. It suggests what to do next. It helps you remember less. It always shows what is happening. It shows your choices. This means you do not need to remember info. It balances automatic work with human control. You pick how much AI help you want. User privacy and data safety are key rules. Telling people clearly about data use is important. Help and training show you how to learn well. This makes the AI-powered email making smooth. You can make an AI-powered email with confidence.
Using AI Email Writers Effectively
Crafting Effective Prompts
Good prompts help AI email writers. Give the AI background. Tell it the voice you want. Say "You are a wildlife biologist." Be very clear. Add details like year or place. This makes the AI's answer good. You can tell the AI rules. Use different prompt types. A zero-shot prompt gives simple orders. A few-shot prompt gives examples. An instructional prompt uses words like "write." A role-based prompt asks the AI to act. A contextual prompt gives background. This helps make content.
Customizing AI-Generated Content
Always check AI content. Make sure it sounds like your brand. Check it for clear words and tone. Ask, "Does this sound like us?" See if it says true things. Make sure it is useful. Check facts and numbers. Do not use "AI-hallucinated" numbers. Make your call to action clear. Check links inside. They should guide readers. Think about access. For touchy topics, get an expert. Make prompts with permission for personal use. Use only allowed data. For example, use "Hey there!" if you do not know a place. This keeps things private. You can use old email templates. They guide the AI's writing. Test your content often. Change one thing at a time. See how AI writing changes contacts. Compare AI writing to human writing. This shows what works.
Integrating into Your Workflow
AI tools help write emails fast. They fit your daily work. Use them to write email drafts. This saves your time. You can quickly make first messages. This includes outreach and follow-up emails. The tools help make content. They make your work smoother. You can focus on plans. The AI does the first writing. This makes you more productive. You can use them for automatic follow-ups.
Ethical Considerations and Best Practices
Be honest about using AI. If AI writes most of your message, say so. Hiding AI can make people feel tricked. This can hurt trust. For example, an HR email should be human. If it is mostly AI, tell people. You can write, "This FAQ was made by AI and checked by our team." This shows you are honest. Being open builds trust. It stops problems. Workers want human talk for important messages. Saying you use AI helps you own mistakes. This shows openness. This is also true for personal content and outreach.
Advanced Email Strategies with Mails.ai
You can make your email plan better. Go past simple free tools. Mails.ai has good features. They make your email outreach stronger. This tool helps emails get delivered more. It also gets more people to act. It is a smart email tool. This is for serious email users.
Mails.ai: AI Email Writer for Outreach
Mails.ai's AI email writer makes good emails. These are for cold outreach. They have many steps. It writes subject lines. It writes body text. This is for your audience. It is for your offer. It is for your call to action. You can use spintax. This makes content natural. It changes each message. This lowers spam risk. You can add merge fields. This is for personal touches. Like first names. Or company names. This makes messages personal. They are also right for the person. The AI helps pick the right email tone. It finds mistakes in emails. This makes them look pro. It also checks email lists. This is for bad addresses. This keeps bounce rates low. It keeps your sender good. You get more replies from your campaigns.
Unlimited Mailbox Connections
Mails.ai lets you link many email accounts. You can link Gmail. You can link Outlook. You can link Zoho. Or custom SMTP. You do not pay for each inbox. This gives you much freedom. It helps you grow your outreach.
Feature | Benefit with Mails.ai |
|---|---|
Connect as many as you want—no extra fees |
You can link and manage many mailboxes. This is from one place. This helps you grow your outreach. You pay no extra fees. This is for each linked inbox.
Dual Warmup and Inbox Rotation
Mails.ai uses dual warmup. This is for your mailboxes. It is for campaigns. This makes emails get to inboxes faster. It also keeps your sender good. Inbox rotation sends emails. It spreads them across accounts. This lowers spam risk. You can grow your outreach. You will not get blocked. This means more people will reply.
Email Verification for Deliverability
Mails.ai has email verification built in. This cleans your email lists. It makes bounce rates lower. This helps emails get delivered. Your emails go to the right inboxes. This makes it more likely. You will get a good reply.
Automated Follow-Up Sequences
Mails.ai helps you set up follow-up emails. They send by themselves. This keeps talks going. You do not do it by hand. You can make good follow-up emails. This means you never miss a chance. This automatic sending helps your replies. You can also use email templates. This makes follow-ups easier. The automatic personal touch. It makes each follow-up feel special.
Selecting Your Best AI Email Writer
Assessing Your Specific Needs
You need to pick the right AI tool. First, think about your email goals. Do you send many marketing emails? Do you need help with sales outreach? Think about how often you write. Consider the types of emails you send. This helps you pick the best AI email writer free online.
Comparing Features and Limitations
Look closely at each tool's free plan. Some tools give more words. Others connect better with other programs. Check for limits on features. A tool might be great for one task. It might not be good for another. Compare how much you can change it. See if it fits how you work. Many AI email writers have different strengths.
Future Trends in AI Email Writing
AI will change email writing more. Generative AI is already making big changes. It helps make things personal. It also helps with automatic tasks. Marketers see its impact. Almost 29% of marketers think AI content will be very important. By 2026, 70% of marketers expect AI to do half their email work. Many US marketers use generative AI tools. This shows AI works better than old ways.
Future AI email assistants will offer more. They will make things more personal. This means better groups and changing content. You will see smarter automatic tasks. This includes automatic workflows. It also includes trigger campaigns. AI will also help design emails. It will make pictures and interactive parts. These best AI email assistants will work with other tech. This includes voice platforms. Data privacy and fairness are also key. Tools will focus on rules and being fair. AI will be a creative partner. It will help you get ideas. It will make your writing better. This makes your emails clearer. You will find more advanced AI email writers. You will find even better AI email writer free online tools. This will happen as technology grows. Finding the best AI email assistant for your needs will get easier.
You can make your daily talks much better. Use free AI email writers. They save your time. They make your emails better. Always pick the right tool. It should fit what you need. Use these tools in a good way. Mails.ai is great for advanced email plans. It helps emails get delivered. It checks emails for free. You get many email accounts. You can send many emails. It warms up your inbox. It rotates your inbox. This makes it strong for serious email users.
FAQ
What is an AI email writer?
An AI email writer uses artificial intelligence. It helps you create emails. It saves you time. It also improves your message quality. You can write faster and better.
How do free AI email writers help me?
Free AI email writers help you in many ways. They generate content. They suggest subject lines. They also offer tone adjustments. You can overcome writer's block. You can make your emails more effective.
Are these AI email writers truly free?
Yes, the tools listed offer free plans. These plans have certain limits. You get access to core features. You can try them without any cost. Some advanced features may require payment.
Should I always use AI for my emails?
AI is a great tool. It helps you draft emails. Always review and customize AI-generated content. Ensure it matches your voice. Make sure it fits your specific needs. Human touch is still important.
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