Email writing is one of the hardest jobs that seems the easiest! If you are a beginner, you must learn what types of emails there are and what skills each email requires what skill to pen it down. What you must know is how emails perform when it comes to conversion, open rate, and lead generation. There has been seen mushroom growth in email writing tools since they started using AI writers at their workplaces. Now it is hard to know which tool is best at what job! Here are 7 of the best AI websites to write emails by use case to help you differentiate between the top tools out there in the market.
All of them stand out differently when it comes to their use case. Some are best at writing sales emails, some are best at writing marketing emails, while some are masters at writing newsletters. If you have to identify and find out which tool does which job, it may take a chunk of trial and error and your precious time to reach the perfect conclusion. But do not worry; here we have done this job before you ask for it! Read till the end and find out the best fit for each email job, and what to check before you sign up.
Facts last checked: October 19, 2026.
This article uses each company’s own pages and was not based on hands-on use of the tools. Plans and features change, so check each official page. Compare every AI email with your own facts before you send it.
How were these seven AI websites chosen?
It is part of a use case to pick each website from a well-known company. It is also best to get acquainted, or reacquainted, with every website that has its own use case. As much as possible, make sure that you know that a use case is the job you want the tool to do, like replying to a customer.
Looking at the pages of the companies may be boring, but all facts come from the pages of the companies. For these facts, try to check so that you can confirm they are what the companies say. It may not seem like a big deal at first, but make sure that you can know they are not test results, because nobody tested the tools.
Which AI website fits each email use case?
When you choose the website for your email job, you are not the only person stuck choosing it. There is also a possibility to adapt, just like when using Grammarly or Gemini for daily writing.
If there is a website that completely contradicts your process, be open to Copilot for Outlook, Mailchimp and Jasper for marketing, Apollo for sales, and Zendesk for support.
| Website | Best for | Check first |
|---|---|---|
| Grammarly | Daily work emails | Now part of Superhuman |
| Gemini | Replies and personal email | Needs a Google plan for Gmail |
| Microsoft Copilot | Work email in Outlook | Not for Gmail accounts |
| Mailchimp | Newsletters and campaigns | May need a paid plan |
| Jasper | Marketing with one brand voice | Made for marketing teams |
| Apollo | Sales outreach | English only, 50 a day each |
| Zendesk | Customer support replies | Works inside a support tool |
What are the 7 best AI websites to write emails?
Even with the advancements in technology, no website is the winner; therefore, it will be useful to explore its value. Let us consider ways you can adopt each one as good for one use case without the terminology. For your job, you can read the company page for the latest facts when you are setting up.
1. Grammarly for Everyday Professional Emails
Whatever you type first, you may know who will get the email like the back of your hand. That does not mean you should not brush up on it; there are many options, such as adding the main details and the tone. It creates the feeling of your words, like polite or direct, as part of the tone. Thus, you can let the tool write a draft, and it does not hurt.
Let us consider that this tool is good for daily emails to coworkers, teachers, or clients, and note that a plan is the way you pay for a tool; therefore, look at the latest plans before you sign up.
Pros:
- Helps with tone in emails
- Works in Gmail and other apps
- Checks grammar and spelling instantly
- Rewrites text shorter or friendlier
- Helpful for non native writers
Cons:
- Free plan has monthly prompt limits
- Rewrites and tone changes need Pro
- Can change your meaning
- Pushes writing toward corporate voice
- Privacy settings need careful review
2. Google Gemini for Replies and Personal Email
You can use Gemini, the AI helper from Google, and Gmail, the email service from Google; for instance, in Gmail, a button called Help me write makes a new email or a reply, and Gemini has its own website, gemini.google.com, where you can write a draft and save it in Gmail.
This tool is one of those tools that can benefit you if you decide to work on anything that appears to be replies and personal emails. Actually, Google says it can use details from your other emails and files. You need the right Google plan, such as Google Workspace or Google AI, so think about your private information first. For more reply tools, you can read about these AI email reply generators.
Pros:
- Drafts new emails inside Gmail
- Replies using full thread context
- Refines drafts for tone and clarity
- Can use your Drive files
- You review before sending
Cons:
- Help me write lives in Gmail
- Needs the right Google plan
- Does not learn your writing style
- Longer emails can feel generic
- Drafts still need careful review
3. Microsoft Copilot for Work Email in Outlook
To successfully use Microsoft Copilot, consider the AI helper from Microsoft, and Outlook is the email program from Microsoft, which you can open on the web in a browser. In a new email, you choose Draft with Copilot, so you can pick the length and the tone.
This tool is great because it is good for work email. Also, a work account or school account is an email account from your job or your school. To use this tool and not miss anything, Microsoft says Copilot works with these accounts and with some Microsoft addresses, like outlook.com. Worse still, another email service that Copilot does not work with is Gmail, Yahoo, or iCloud, which are other email services.
Pros:
- Drafts emails inside Outlook
- Lets you choose length and tone
- Makes new versions of drafts
- Coaches your tone and clarity
- Can use your work data
Cons:
- Needs the right Copilot license
- Does not support Gmail accounts
- Plain text emails are not supported
- Features differ by Outlook version
- Drafts still need your review
4. Mailchimp for Newsletters and Campaigns
Mailchimp is a very useful and simple website that allows you to send newsletters and email campaigns. This website is ideal for those who want a newsletter, which is an email you send often to the same readers, and a campaign, which is a group of emails for many people. The email editor has a tool called Write with AI, and Mailchimp says this tool uses Intuit Assist, its AI helper.
This website is great if you need newsletters and special offers for many readers. Using it, you can look at the Mailchimp page for the latest details, because the AI tool may need a paid plan and now also uses the name Intuit Intelligence.
Pros:
- Writes inside the email editor
- Drafts copy from your prompts
- Can change tone or length
- Suggests subject line ideas
- Easy builder for beginners
Cons:
- Full AI tools need paid plans
- Works only inside Mailchimp
- No full campaign from one prompt
- Weak for highly custom brand copy
- Copy still needs your edits
5. Jasper for Marketing Teams With One Brand Voice
Jasper is a website for marketing teams, and it also has an email marketing page. Also, the email marketing page has 50 or more templates if you need them. A template is useful if you need a ready-made shape for an email, so you do not start with an empty page. A brand voice is the best setting to tell the tool how your company sounds.
However, if teams need to make every email sound like one company, teams will need to start using this website. This website helps you get a browser extension that is a small add-on for your browser.
Pros:
- Strong brand voice for teams
- Has 50 or more templates
- Works inside Gmail and Outlook
- Handles email sequences and subject lines
- Good for team workflows
Cons:
- Hard to justify for individuals
- Brand voice needs setup time
- Drafts still need human editing
- No link to email performance data
- Free trial is short
6. Apollo for Sales Outreach
Thus, for instance, Apollo is a website for sales; a sales email is an email to a person who may buy from you, and another word for it is outreach.
One of the best ways to help people who write sales emails is by using this website. Working with the help page enables you to see that it works only in English. Each person can also make 50 AI emails in 24 hours, and your plan reaches virtually no monthly word limit. So, read about sales email AI in detail for prompts and checks for sales emails.
Pros:
- Writes subject lines and emails
- Makes personalized openers and PS lines
- Writes emails inside sequences
- Offers direct, formal, or casual tones
- Scores your email before sending
Cons:
- Works in English only
- Limits 50 AI emails daily
- Monthly word limit depends on plan
- Drafts often need heavy editing
- Personalization stays fairly basic
7. Zendesk for Customer Support Replies
What is more, Zendesk is a website for customer support. As a writing tool, it might make a reply longer, friendlier, or more formal. One of the best tools to do this is a tool called Rewrite in your tone. A tool called Rewrite in your tone enables you to use the tone of the earlier messages in the ticket. If the customer has one question, that question is a ticket. So, it is not a general email writer if it writes replies inside a support tool.
Pros:
- Expands short notes into replies
- Makes replies friendlier or more formal
- Simplifies long or dense wording
- Rewrites replies in ticket tone
- Accepts custom writing prompts
Cons:
- Writing tools have monthly limits
- Tone rewrite needs Copilot add-on
- Works only inside Zendesk
- Tone follows the customer, not the brand
- Tone options are mostly preset
How do you keep private details safe before you paste an email?
When you paste everything into a website, it is not enough; you will certainly come to understand that it is shared with the company. First, take a careful step to remove names, numbers, and other private details. Then read the privacy page, which will also serve as a source of information about how the company uses your information. It is not enough to read the privacy page, but you must add the real details back in your own inbox later.
Increased private details will bring in things like account numbers, addresses, and passwords. This can only help you if a draft has blank spaces, because you can fill in the blanks.
How do you keep an AI email out of the spam folder?
You may have to identify spam as email that people do not want. While a spam filter is a tool in your email service, it sends spam to a separate folder. For one, filters can see text that looks copied. However, you can curtail this by making sure you write in your own words, add one personal detail, and do not send the same text to many people.
This can be done by using a personal detail that is something only you or the reader would know, like the name of a shared project.
FAQs: AI website to write email
Q1. Is there a free AI website to write email?
Several need a paid plan or a work account, so look at each company page first, and with less time spent guessing, you will have more time to spend on your email.
Q2. Can I use these websites with any email account?
No, Copilot works with work accounts, school accounts, and Microsoft addresses, while it does not work with Gmail, Yahoo, or iCloud accounts, and the other websites have their own rules.
Q3. Will an AI-written email land in spam?
Instead, add one personal detail and send to small groups.
Q4. How do you check an AI email before you send it?
They are dates and numbers next, and the tone last, for the person who reads the email.
Which AI website should you use to write email?
We have already briefly mentioned that you pick Copilot for Outlook, Mailchimp or Jasper for marketing, Apollo for sales, and Zendesk for support. As you already know, if you are new, start with one website and one small email.
Before you paste any message into a website, it helps to remember how private email really is, since a message can reach more people than you expect. A careful reader makes a better email.
Haroon writes about email spam and inbox management. He covers how real client emails end up in spam folders and what you can do to make sure nothing important gets missed.